N.Y. Comp. Codes R. & Regs. tit. 21, Appendices, app 52

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Current through Register Vol. 46, No. 51, December 18, 2024

Appendix 52

(cf. Part 10075)

INDEX TO APPENDICES

Appendix No.

1 B.S.A. Schedule of Sewer Rents and Other Charges

2 B.S.A. Sampling and Analytical Guidelines Sheet

3 B.S.A. Mass Allocation Manual .......

A Industrial Waste Discharge Mass Allocation Manual

B Calculations for Critical Influent Mass

C Calculations of Controllable Mass for Control Parameters .......

APPENDIX 1

FINAL SCHEDULE OF SEWER RENTS AND OTHER CHARGES FOR 2021-2022

TO PROVIDE FUNDS FOR THE FIXED CHARGES AND FOR THE OPERATION AND MAINTENANCE OF THE ENTIRE SEWER SYSTEM IN THE CITY OF BUFFALO AND ALL OF THE BUFFALO SEWER AUTHORITY FACILITIES FOR THE CONVEYANCE, TREATMENT AND DISPOSAL OF SEWAGE AND STORM WATER OPERATED BY THE BUFFALO SEWER AUTHORITY.

I. SEWER RENTS FOR PREMISES SITUATED WITHIN THE LIMITS OF THE CITY OF BUFFALO

(a) $12,050,000 shall be collected from all real property in the City of Buffalo (the "City") by apportioning the said amount upon such property within the City as the same is set down on the last completed annual assessment roll of the City, except that no ad valorem sewer rent shall be assessed against real property exempt from real property taxes pursuant to subdivision one of section four hundred, sections four hundred four, four hundred six, four hundred twelve, four hundred eighteen, subdivision one section four hundred twenty, section four hundred forty-six, four hundred fifty-two, four hundred sixty-two and four hundred seventy-seven of the New York Real Property Tax Law.

(b) In the event a person, lot, parcel of land, building or premises, other than a City department, situated within the limits of the City, discharging sewage, water or other liquids into the Buffalo Sewer Authority (the "Authority") sewer system, either directly or indirectly, is a user of water supplied by the Buffalo Water Board or from any other source, and the quantity of water used is measured by a water meter acceptable to the Authority, then in each such case, the quantity of water used, as measured by said meter, shall be used to determine the sewer charge or rental, and the charge for such use shall be as follows:

1. $48.30 for 0 to 4,000 cubic feet of water used per quarter year, if the meter is read quarterly, and any water used in excess thereof shall bear a sewer charge or rental of $11.09 per thousand cubic feet ($.0111 per cubic foot).

2. $16.10 for 0 to 1,333 cubic feet of water used per month, if the meter is read monthly, and any water used in excess thereof shall bear a sewer charge or rental of $11.09 per thousand cubic feet ($.0111 per cubic foot).

Provided that the minimum charge shall be $16.10 per month if the meter is read monthly and $48.30 per quarter year if the meter is read quarterly.

II. SEWER RENTS FOR PREMISES SITUATED OUTSIDE THE LIMITS OF THE CITY OF BUFFALO

(a) An annual service charge for the privilege of connecting with the facilities of the Authority shall be due for any premises situated outside the limits of the City for each $1,000 of assessed valuation as determined on the last completed annual assessment, the same rate of $2.71239 per $1,000 of assessed valuation for 2021-2022.

(b) In the event a person, lot, parcel of land, building or premises, other than a City department, situated outside the limits of the City, discharging sewage, water or other liquids into the Authority sewer system, either directly or indirectly, is a user of water supplied by the Buffalo Water Board or from any other source, and the quantity of water used is measured by a water meter acceptable to the Authority, then in each such case, the quantity of water used, as measured by said meter, shall be used to determine the sewer charge or rental, and the charge for such use shall be as follows:

Provided that the minimum charge shall be $16.10 per month if the meter is read monthly and $48.30 per quarter year if the meter is read quarterly.

III. GENERAL PROVISIONS

(a) In the event a person, lot, parcel of land, building or premises discharging sewage, water or other liquids into the Authority sewer system, either directly or indirectly, is a user of water supplied by the Buffalo Water Board, and the quantity of water used is not measured by a water meter acceptable to the Authority, then the sewer charge or rental for all such accounts shall be in the respective amounts (expressed in dollars) set forth in Exhibit A, attached hereto and made a part hereof, as the Authority determines applicable to such person, lot, parcel of land, building or premises.

(b) In addition to all other rentals and charges provided herein, a monthly drainage connection service charge shall be due for any and all persons, lots, parcels of land, building or premises, other than a City department, that discharge sewage, water or other liquids into the Authority sewer system, either directly or indirectly, as follows:

1. A monthly charge of $6.00 shall be due for all lots, parcels, land, buildings or premises where the quantity of water used is not measured by a meter acceptable to the Authority.

2. A monthly charge in the amounts set forth below shall be due for all lots, parcels, land, building or premises where the quantity of water used is measured by a meter acceptable to the Authority in accordance with the following meter size:

Residential Users		Non-Residential Users
Meter Size	Charge ($)	Meter Size	Charge ($)
5/8 inch	6.00	5/8 inch	6.00
3/4 inch	6.00	3/4 inch	6.00
1 inch	6.00	1 inch	6.00
11/2 inch	6.00	11/2 inch	55.00
2 inch	6.00	2 inch	55.00
3 inch	55.00	3 inch	55.00
4 inch or larger	55.00	4 inch or larger	55.00

(c) In the event a person, lot, parcel of land, building or premises discharging sewage, water or other liquids into the Authority sewer system, which directly or indirectly, uses water obtained from a source other than the Buffalo Water Board, and the water so obtained is not measured by a water meter acceptable to the Authority, then, in each such case, the owner, user or other interested party shall, at his own expense, furnish, install, and maintain a water meter or other water or sewage measuring device acceptable to the Authority and the quantity of water used, as measured by said meter, or as otherwise determined, shall be used to determine the sewer charge or rental and there shall be charged an amount determined as set forth in paragraphs II(a), III(a) and III(b) as the case may be.

(d) In the event a person, lot, parcel of land, building or premises discharging sewage, water or other liquids into the Authority sewer system, either directly or indirectly, uses water in excess of 4,000 cubic feet per quarter year and it can be shown to the satisfaction of the Authority, that a portion of the water as measured by the water meter does not and cannot enter the Authority sewer system, then the Authority may determine in such manner as may be found practicable the percentage of metered water entering the Authority sewer system and the quantity of water used to determine the sewer charge or rental shall be that percentage, so determined, of the quantity of water measured by the water meter, or the Authority may require or permit the installation of additional meters or measuring devices in such a manner as to determine the quantity of water or sewage actually entering the Authority sewer system, in which case the quantity of water used to determine the sewer charge or rental shall be the quantity of water actually entering the Authority sewer system and so determined.

(e) In the event a person, lot, parcel of land, building or premises discharges sewage or other wastes into the Authority sewer system which, in the opinion of the Authority, contain unduly high concentrations or any substances which add to the operating costs of the Authority facilities, then the Authority may elect to establish and collect special rates of charge, based on the quantity of these substances, which rate of charge may be established and collected in such manner as the Authority may elect and such charge shall be paid to the Authority, or it may elect to exclude such sewage or other wastes from its facilities.

(f) As a condition of a Buffalo Discharge Elimination System Permit (BPDES), a user may be required to pay an industrial waste surcharge for discharging sewage or waste exhibiting a strength of sewage or waste greater than normal domestic sewage. The Industrial Waste Surcharge Formula reflecting the Treatment Plant unit costs for treatment of Biochemical Oxygen Demand (BOD₅) Total Suspended Solids (TSS) and Total Phosphate (TPO₄) is as follows:

Surcharge = 8.34 QMGY (0.1855 (BOD₅-250) + 0.2079 (TSS-250) + 0.0203 (TPO₄-15.35))

$0.1855 Cost/lb. for treatment of BOD₅ $0.2079 Cost/lb. for treatment of TSS $0.0203 Cost/lb. for treatment of TPO₄

QMGY shall mean the annual total industrial and sanitary discharge - water retention.

BOD₅ shall mean the average concentration of BOD₅ in sewage or waste discharged to the Authority facilities.

TSS shall mean the average concentration of TSS in sewage or waste discharged to the Authority facilities.

TPO₄ shall mean the average concentration of TPO₄ in sewage or waste discharged to the Authority facilities.

Surchargeable concentrations are as follows:

BOD₅ - Over 250 mg/L; TSS - Over 250 mg/L; TPO₄ - Over 15.35 mg/L

This formula shall be applied in computing the Buffalo Industrial Waste Surcharge subsequent to July 1, 2020 and ending June 30, 2021 for all users that discharge sewage or waste exhibiting a strength of sewage or waste greater than normal domestic sewage. In addition, this formula with the above rates will be used to calculate all monthly, quarterly, semiannual, and annual accounts subsequent to July 1, 2021.

(g) Any person who violates the Sewer Regulations of the Authority or the conditions of the permits issued thereunder shall be subject to fines as specified in said regulations.

(h) Whenever sewage or other wastes result in conditions in the Authority sewer system as to cause blockage or a substantial reduction in the flow, charges for the work necessary to eliminate such blockage or reduction in flow may be made, based upon costs incurred by the Authority for labor, materials, equipment hire, insurances, and other overhead, against the owner of the property or premises that caused the discharge of such sewage or other wastes into the Authority sewer system.

(i) Where sewer facilities have been installed to serve improved and unimproved property and have been paid for in whole or in part by the Authority, a charge shall be made based on a proportionate share of the original cost, determined by the foot frontage of the parcel served, or by the area of such parcels, or by such other method the Authority determines to be equitable, as a condition to a permit for a connection to the Authority's facilities.

(j) An application and inspection fee for sewer connection permits shall be paid as follows at the time said application is filed with the Authority:

Tap Size	Fee ($)
4 inch	100
6 inch	200
8 inch	300
10 inch	500
12 inch	800
15 inch	1,200
18 inch	1,800
21 inch or greater	2,500

(k) An application fee of $50 per 2,500 square feet or part thereof of soil disturbance or impervious area being drained, whichever is greater, shall be paid at time of plans and/or calculations are submitted to the Authority for site stormwater management review.

(l) An application fee of $150 plus $25 for every 100 linear feet or part thereof of new sanitary sewer pipe proposed shall be paid at the time that plans and/or calculations are submitted to the authority for any facility proposing to discharge 2,500 gallons per day or more of additional sanitary and/or industrial flow than existing conditions.

(m) All persons owning or operating a pump truck or other transport vehicle and desiring to discharge wastes, directly or indirectly, into the Authority's facilities shall first secure a valid Truckers Discharge Permit after paying an annual permit fee of $120.00. In addition to said permit fee, a separate charge shall be billed based upon the verified quantity or truck capacity, and character of the waste discharged and, if applicable, the point of discharge.

The following surcharge rates are hereby charged for such wastehaulers who are located outside the City:

DISCHARGE LOCATION	TOTAL SUSPENDED SOLIDS	BOD₅	TOTAL PHOSPHATE
Inlet/South Buffalo Pump	$0.1969/lb.	$0.1748/lb.	$0.0271/lb.
Mixing Tank	$0.1626/lb.	$0.0998/lb.	$0.0271/lb.
Thickener/Digester	$0.1749/lb.	$0.1065/lb.	$0.0271/lb.

The above surcharge rates, along with costs incurred by the Authority when handling, testing, conveying, and administering each wastehauler, will be used to determine the cost per gallon of each wastestream. The wastehauler user charges for various wastestreams are as follows:

1. Septage and portable toilet wastes - The rate of $0.04 per gallon discharged will be assigned to all permitted septage and portable toilet wastehaulers.

2. Grease trap wastes - The rate of $0.05 per gallon discharged will be assigned to all permitted grease trap wastehaulers.

3. Sludge wastes - This rate will vary dependent on strength and volume. Sludge rates will be calculated using the parameter costs for the mixing tank location.

4. Miscellaneous Wastes -This rate will vary dependent on strength of waste, volume and discharge location.

These rates will be used for all permits effective July 1, 2021.

(n) In the event a person, lot, parcel of land, building or premises threatens to discharge or discharges sewage or waste into or near the Authority's publicly owned treatment works, either directly or indirectly, which in the opinion of the Authority will or is likely to bypass, upset, harm or endanger the facilities of the Authority, then such person or the owner or operator of such lot, parcel of land, building or premises shall pay to the Authority charges for any and all clean up, removal and remediation costs actually incurred by the Authority, including but not limited to labor, materials, equipment, insurances or laboratory services for the (i) containment or attempted containment of such discharge or threatened discharge, (ii) sampling and analysis of such discharge or threatened discharge, (iii) removal or attempted removal of such discharge or threatened discharge, (iv) taking of reasonable measures to prevent or mitigate damage to property, public health, safety or welfare, or (v) remediation, treatment, storage or disposal of such discharge or threatened discharge and all soils, water or structures affected by such discharge.

(o) All industrial users and wastehaulers shall pay to the Authority a charge for the actual costs of analysis incurred by the Authority for monitoring of any and all discharges of such users.

(p) Any person who is granted a temporary permit to discharge into the facilities of the Authority shall pay a permit fee of $800.00 to the Authority as a condition of the issuance of such permit.

(q) Except as otherwise defined herein, all terms and phrases used or contained in this schedule of sewer rents shall bear the same meaning and definition as set forth in the Authority's Sewer Use Regulations 21 N.Y.C.R.R. Part 10075 and New York Public Authorities Law Section 1175 et seq.

(r) Sewer rents and charges as herein provided shall be payable at the office of the Director of the Treasury for the City at Room 117, City Hall, Buffalo, New York 14202, or at such other location or address as may be set forth on the Authority's invoice, and shall become due and payable as follows:

1. So much of the sewer rents and charges as are based upon water use and the drainage connection service charge covering the respective premises, or such other charges as provided herein shall be due and payable, except as otherwise stated in this schedule or in such invoice, on the same day, one month following the month of the invoice billing date, and such invoice may be billed monthly, quarterly or as otherwise determined by the Authority; and

2. So much of the sewer rents and charges as are based upon the assessed valuation of chargeable real estate shall become due and payable from the first day of July 1938, and each year thereafter, and may be paid without interest on or before September 30th next succeeding.

(s) Such sewer rents and charges that remain unpaid after their respective due dates shall be charged interest, and such interest shall continue to be charged until such sewer rents and charges are paid in full, as follows:

1. sewer rents based upon water use and drainage connection service charges shall be charged interest at the same rate as unpaid City taxes, to wit: four and one-half percent (4.5%) interest shall be added to amounts unpaid from the first through the thirtieth day after the due date and thereafter one and one-half percent (1.5%) shall be added to all amounts that remain unpaid for each succeeding month;

2. sewer rents based upon assessed valuation of chargeable real estate that remain unpaid on October 1st of each year shall be charged interest at the rate of two percent (2%), and such sewer rents that remain unpaid shall be charged two percent (2%) for each month thereafter until paid; and

3. all other sewer rents and charges of the Authority shall be charged interest at the rate of one and one-half percent (1.5%) per month if not paid by the due date stated on the invoice issued by the Authority.

(t) All persons and property served by the Authority shall be subject to paying reasonable costs and expenses, including attorney fees incurred in the collection of sewer rents and charges that remain unpaid, as may be determined by the Board of the Authority. In addition to any other remedy or provision hereof, the Authority reserves the right to engage in such collection activities, as it deems appropriate, for all accounts that remain unpaid after the due date. In consideration of such collection activities and to defray the cost thereof with respect to accounts based on water use and drainage connection service, the person or property served by the Authority may pay an additional charge of twenty-one percent (21%) of the amount of each such delinquent account, together with interest as provided herein, that remains unpaid for more than (i) one hundred twenty (120) days from the due date for metered accounts, and (ii) two hundred ten (210) days from the due date for non-metered flat rate accounts. Due date, as used herein, means the date that the Authority's sewer rent and other charges are due and payable pursuant to III (q)(1) and III (q)(2), herein, respectively.

(u) Invoice statements shall be mailed or delivered to the address of the owner or user, as the case may be, as such address appears on the Authority's records. Such mailing or delivery is a matter of convenience. Failure of an owner or user to receive an invoice statement shall not release such owner or user from the obligation to pay such invoice statement, together with any other charges and interest which may accrue on unpaid amounts.

(v) All invoices shall be paid in United States dollars and may be paid by cash, check or credit card at Room 117, City Hall, Buffalo, New York or such other location or address as may be provided on such invoice, by internet, or by telephone as set forth on the invoice. All persons who pay through the City of Buffalo website or by telephone shall pay any processing fees charged by the City of Buffalo. Multiple payments in the same transaction will be charged the convenience fee only once. The convenience fee will be added automatically to each transaction.

IV. LIEN OF SEWER RENT From and after the due date thereof, such sewer rents and charges, together with any interest and collection costs shall constitute a lien upon the real property served by the facilities. Such lien shall have the same priority and superiority as the lien of the general tax of the City.

V. EFFECTIVE DATE OF THIS SCHEDULE This schedule of sewer rents and other charges shall become effective July 1, 2021; provided, however, that the sewer rents and other charges herein set forth, applicable to water use, shall become effective on all billings on and after August 1, 2021, excepting only monthly metered accounts for July 2021, and Section "W" of the quarterly metered accounts for the period May, June, and July 2021, which shall be billed according to the schedule of rents in effect prior to July 1, 2021.

Exhibit A

*Stories High:*	1	*11/2*	2	*21/2*	3	4	5
Under 25 ft	21.65	24.38	29.76	35.17	37.84	40.57	45.97
From 25 ft to 30 ft	24.38	29.76	35.17	37.84	40.57	45.97	51.35
From 31 ft to 35 ft	29.76	35.17	37.84	40.57	45.97	51.35	56.74
From 36 ft to 40 ft	35.17	37.84	40.57	45.97	51.35	56.74	59.44
From 41 ft to 45 ft	37.84	40.57	45.97	51.35	56.74	59.44	62.12
From 46 ft to 50 ft	40.57	45.97	51.35	56.74	59.44	62.12	67.56
The Following Rates Apply to More Than One Family Homes or Housekeeping:
1 Family	21.65
2 Families	43.29
3 Families	64.94
4 Families	86.58
5 Families	108.03
6 Families	129.87

Bathtubs & Showers	*Bathtubs with attached showers are charged for only bathtubs
1 Bathtub	5.45
2 Bathtubs	10.91
3 Bathtubs	16.36
4 Bathtubs	21.81
5 Bathtubs	27.27
6 Bathtubs	32.72
7 Bathtubs	38.17
8 Bathtubs	43.63
9 Bathtubs	49.08

Toilets:	1 Family	2 Family	3 Family	4 Family	5 Family	6 Family
1 Toilet	10.86
2 Toilets	19.15	21.73
3 Toilets	27.43	30.01	32.59
4 Toilets	35.72	38.30	40.88	43.46
5 Toilets	44.00	46.58	49.16	51.74	54.32
6 Toilets	52.29	54.87	57.45	60.03	62.61	65.19
7 Toilets	60.57	63.15	65.73	68.31	70.89	73.47
8 Toilets	68.86	71.44	74.02	76.60	79.18	81.76
9 Toilets	77.14	79.72	82.30	84.88	87.46	90.04
Each Additional Toilet	8.28
Border or Roomer
1	4.13
2	8.26
3	12.38
4	16.51

Office with Water:	21.65	Office without Water:	10.86
Hot Water Heating Billed in November & February:
1	10.84
2	21.67
3	32.51
4	43.35
5	54.18
6	65.02
7	75.86
8	86.69

Car in Garage:	Garage w/out Water	Garage w/Water
1 Car	10.84	21.66
2 Cars	21.67	43.32
3 Cars	32.51	64.98
4 Cars	43.35	86.69
5 Cars	54.18	108.30
6 Cars	65.02	129.96
7 Cars	75.86	151.62
8 Cars	86.69	173.28

APPENDIX 2

BUFFALO SEWER AUTHORITY

SAMPLING MEASUREMENT AND ANALYTICAL GUIDELINES SHEET

(Revised 1/28/00)

A. Flow Monitoring and Sampling

(1) Before commencement of any sampling or flow monitoring, the Industrial Waste Section (I.W.S.) shall be notified, in writing, at least seventy-two (72) hours in advance by the firm or designee. The I.W.S. will give a twenty-four (24) hour verbal notification to the firm or designee if split sampling will be required.

(2) Sampling must be performed at the designated B.P.D.E.S. permit location.

(3) All discharge lines from one (1) building, or all discharge lines from only one (1) single process, must be sampled during the same time period.

(4) If a sample point receives flow from upstream roof drains and/or storm connections, sampling will not be acceptable during a precipitation day. If sampling was initiated before a storm and the storm is brief or near the end of sampling the I.W.S. must be contacted for approval to accept the sample collected for analysis.

(5) If an auto-sampler is used, tubing must be at least \ 3 I.D. and the intake hose velocity must be at least 2.0 f.p.s. with a minimum lift of twenty (20) feet.

(6) After the first day of sampling, the tubing must be cleaned with detergent or methanol and deionized water for each subsequent sampling day. Proper refrigeration and preservation of the sample must be maintained during the entire sampling period.

(7) All sampling shall be taken at the highest velocity, greatest turbulence and center of flow.

(8) All sampling must be done on normal work days. If there is a regulated process discharge after normal working hours, sampling must continue until there is no further discharge.

(9) The discharge flow monitoring method must be approved by the B.S.A. prior to monitoring. Results and the method used to determine flow must be included with the report.

(10) Any split samples with the B.S.A. that indicate an analytical discrepancy of greater than 20% may be grounds for disapproval of the monitoring report.

B. Analytical

(1) The pH must be analyzed from the sample on site unless otherwise specified.

(2) When the following parameters are required to be monitored for the Baseline Monitoring Report (BMR) and Compliance Monitoring Report (CMR) a minimum of four (4) grab samples must be collected for each parameter: pH, cyanides, total phenols, oil and grease, sulfide, and volatile organics. Grab samples must be taken over an equally spaced time period during a normal work day. The sample bottle(s) must be glass when oil & grease, total extractable hydrocarbons and/or organics are being tested. The method of sampling for all periodic permit monitoring requirements will be specified in the B.P.D.E.S. permit.

(3) Only laboratories certified by the New York State Department of Health for the specific parameter will be allowed to conduct the appropriate analysis.

(4) A chain of possession log sheet is required for the transporting and analysis of each sample. The log sheet signed by the lab director or designee must be included in the monitoring report. Blank copies of the log sheet will be available from the I.W.S. Office.

(5) The handling, storage, preservation and analytical procedures for each parameter shall follow Environmental Protection Agency Guidelines established in 40 CFR Part 136 and as amended. This document is available for review at the Buffalo Sewer Authority, Industrial Waste Section, Wastewater Treatment Facility, 90 West Ferry Street, Buffalo, New York 14213; State Register, New York State Department of State, 41 State Street, Albany, New York 12231 or can be obtained from Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402.

(6) The BOD₅ determination has one special requirement - all samples must be seeded by a commercial BOD test seed, such as Polyseed. The contracted lab must include the Glucose- Glutamic acid standard results with each client's monitoring report.

(7) The analytical report must include, for each analyte, the date when the analytical result was calculated and logged, and test method.

C. Reporting

(1) A field log sheet is required for each sample point and for every day of sampling. All field log sheets must be submitted with the monitoring report. The log sheet must contain the following minimum information:

(1)(a) Identification of the sample point.

(1)(b) Date of each sample day.

(1)(c) If sampled manually: time and amount of each grab sample with the sampler's initials.

(1)(d) If auto-sampled: the type of sampler used; size and type of tubing; and sampling interval.

(1)(e) A record of all physical observations (sight, smell, etc.) of the discharge at start up, during inspections and changing of sample container.

(1)(f) A description of weather conditions for the entire sampling period.

(1)(g) The signature and the date signed by the sampling supervisor at the bottom of page.

(2) A map must accompany the report showing the exact location with measured reference points for all sample locations and water meters.

(3) Total Water Consumption shall be recorded for each day's sampling period using water meter readings. The method of determining water consumption must be explained in the report.

(4) All violations must be verbally reported by the permittee to the B.S.A. within the business day that the contracted lab verbally reports the violation. The contracted lab is required to verbally report all violations to the permittee within one business day of becoming aware of the violation.

(5) If any exemptions or modifications have to be made due to unique situations, the I.W.S. must be notified for approval prior to any changes. A written explanation of the approved change must accompany the monitoring report.

(6) The submitted monitoring report shall include the following certification and must be signed by a B.S.A. approved signatory: "I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations".

(7) The complete report must be sent by the industry to the B.S.A. and not by the consultant or lab.

(8) The results of each parameter tested must be in the same format as the permit limit (concentration or mass).

APPENDIX 3

BSA's MASS ALLOCATION APPROACH TO PRETREATMENT PROGRAM IMPLEMENTATION

1.0 INTRODUCTION

The Buffalo Sewer Authority (BSA) recently completed its development of a pretreatment program in conformance with the General Pretreatment Regulations ( 40CFR 403). A formal application for the approval of this program has been prepared and submitted to both the United States Environmental Protection Agency (USEPA) and the New York State Department of Environmental Conservation (NYSDEC). Once this program has been approved, the BSA will have the primary responsibility of ensuring that all industrial users of the Authority's wastewater collection and treatment system comply with both the BSA pretreatment program requirements and the EPA categorical pretreatment standards.

The primary mechanism to be utilized by the BSA to ensure industrial compliance with its sewer use regulations will be industrial discharge limits which have been developed for various pollutants. This approach is mandated by the General Pretreatment Regulations (40CFR 403.5(c)), which require that POTW's developing pretreatment programs derive and enforce specific local discharge limits which will be applied to all industrial users within the POTW's service area. The actual function of these local limits is to protect both the BSA POTW against interference from pollutants and the environment from pollutants which pass through the treatment facility. The BSA has opted to refine the limit development process by deriving critical (allowable) mass loadings for each control parameter addressed. This approach gives the industries more operational leeway regarding discharges and allows the BSA more flexibility in administering the pretreatment program while still protecting the BSA treatment plant.

The purpose of this report is to present the derivation and allocation of critical mass loadings for the control parameters identified in the BSA's Industrial Pretreatment Program report. Both the methodology used to develop this approach and the ramifications of its implementation are discussed.

2.0 METHODOLOGY

The methodology utilized to allocate the critical influent masses for specific control parameters identified in the BSA's Industrial Pretreatment Program is presented in detail in Appendix A. The process of deriving these critical masses is comprised of several basic steps. First is the determination of critical influent limits for the control parameters. Threshold pollutant concentrations which would either inhibit wastewater and sludge treatment processes, adversely impact sludge disposal practices or cause NYS water quality standards to be exceeded were calculated, taking into consideration the BSA POTW's ability to remove the identified pollutants. The critical limit for each pollutant was then determined to be the most restrictive of the threshold concentrations derived previously.

The second step is the development of specific industrial discharge limits based on the allocation of allowable pollutant mass loadings. The treatment plant critical influent mass was calculated using the POTW design hydraulic capacity (180 mgd) and the critical influent concentration for each pollutant. This quantity was then distributed between four loading categories: uncontrollable sources (domestic, natural background, etc.), present industrial users, an unallocated portion reserved for future industrial users and a non-allocated safety margin. The portion of the POTW's critical mass which has been allocated to the existing industrial users will be distributed according to each industry's discharge volume and pollutant loading. The mass limits designated for each industry will be implemented through the BSA's BPDES permit system, with all pollutant mass discharge restrictions being set forth in the respective discharge permits.

3.0 CRITICAL INFLUENT MASS ALLOCATION

3.1 Critical Influent Mass

The critical influent mass is the maximum amount of a pollutant that could be received at the POTW without any adverse effects being experienced. Generally, this mass is expressed as a loading rate, such as pounds per day. The critical influent mass for any pollutant is determined by multiplying the POTW's design hydraulic capacity (180 mgd) times the pollutant's critical influent concentration (limit) and the appropriate conversion factors to get the loading rate. The calculations made to obtain the critical masses listed in Table 1 are presented in Appendix B.

The critical influent mass is also the quantity which is apportioned among the four loading categories. These categories represent both the masses of pollutants which are being received at the treatment plant currently and additional amounts reserved for POTW protection and future industrial users. A description of each loading category follows.

3.2 Safety Factor

A safety factor equal to twenty percent of the critical influent mass has been set aside for each control parameter (except selenium) as a non-allocated reserve. This reserved amount provides a margin of safety to ensure both protection of the POTW and compliance with SPDES permit requirements.

3.3 Uncontrollable Source Mass

For each pollutant received at the POTW, a specific load is attributed to background sources such as eroded minerals and domestic/commercial discharges. These quantities of the pollutants cannot be controlled by the BSA through enforcement of sewer use regulations. Consequently, the uncontrollable mass of each pollutant has been subtracted from the total mass available for allocation to industrial users. The specific mass of pollutants from uncontrollable sources is calculated by multiplying the design hydraulic capacity of the POTW times the background concentration for each pollutant and the appropriate conversion factors. Background concentrations were obtained by sampling sewer flows in areas which were not downstream of any industrial sources. The analytical results were considered to be representative of natural background concentrations for all control parameters. In comparison, the results of a similar analytical program are shown in Table 2. As can be seen, the concentrations found in the BSA's system are quite similar to those obtained elsewhere.

One problem this approach has presented is that for PCB, BHC, pyrene and 1,2,4-dichlorobenzene, the background concentrations recorded were higher than the POTW's critical influent limits. This may indicate that the samples taken are not truly representative and that additional sampling should be completed, which seems to be the case since the critical influent limits for these parameters are not being exceeded in the treatment plant influent.

3.4 Allocated Mass

To determine the portion of the critical influent mass for each control parameter to be allocated to industrial users, data from the BSA's Pretreatment Program industrial survey were used. Various industrial users were sampled for parameters related to their specific manufacturing processes. From the available data, the loadings of each control parameter discharged to the POTW were calculated using an industry's discharge rate and detected pollutant concentrations. For each parameter, all industrial loads were complied to produce each respective allocated mass (Table 1). In cases where a categorical industry was discharging a pollutant at concentrations exceeding the appropriate categorical pretreatment standard discharge limits, the categorical limits were used for calculation purposes since this discharge level will be required once the BSA Pretreatment Program is approved by the USEPA. Calculations used to develop the allocated mass loading for each control parameter are presented in Appendix C.

TABLE 1 - BREAKDOWN OF CRITICAL INFLUENT MASS FOR CONTROL PARAMETERS

*Control Parameter¹*	*Critical Influent Mass (lb/d)²*	*Safety Factor (lb/d)³*	*Uncontrollable Source Mass (lb/d)⁴*	*Allocated Mass (lb/d)*	*Unallocated Mass (lb/d)*
Cadmium	675.95	135.19	1.50	5.88	533.38
Chromium (Total)	1,081.51	216.30	15.02	63.67	786.52
Chromium (Hexavalent)	255.36	51.07	15.02	1.88	187.39
Copper	405.57	81.11	60.08	42.18	222.20
Lead	1,156.62	231.32	15.02	5.40	904.88
Mercury	7.06	1.41	0.60	0.006	5.044
Nickel	165.23	33.05	45.06	31.14	55.98
Selenium	17.58	2.18	15.02	0.38	0
Silver	1,336.87	267.37	15.02	0.24	1,054.24
Zinc	856.20	171.24	225.32	77.94	381.70
Cyanide (Total)	330.46	66.09	15.02	28.75	220.60
Cyanide (Amenable)	30.04	6.01	1.50	0	22.53
Chloroform	70.60	14.12	10.52	0.18	45.78
Fluoranthene	10.06	2.01	0.32	0	7.73
Endosulfan	0.45	0.09	0.15	0	0.21
DDD	0.20	0.04	0.08	0	0.08

NOTES TO TABLE 1

(1) Control parameters were derived as described in Section 7 of the Draft Final Report for the Buffalo Sewer Authority Industrial Pretreatment Program (submitted June 1983, URS Co., Inc.). The parameters PCB, BHC, Pyrene and 1, 2,4-dichlorobenzene were not included in this table due to background concentrations which were higher than their respective critical influent limits.

(2) The critical influent masses for the control parameters were developed based on the critical influent concentration limits presented in Table 7-5 of the URS report cited in Note 1.

(3) The masses predicted for the uncontrollable sources are based on the background concentrations listed in Table 7-8 of the URS report cited in Note 1.

(4) Allocated masses for the control parameters were developed from the sampling and analysis program results of the BSA Industrial Pretreatment Program. Discharges from firms now out of business were not included in the calculations. Industrial discharge concentrations exceeding Pretreatment Program limits have been calculated using the respective limits.

To prevent an industry from discharging its total allowable daily loading over a short time period, (i.e., slug or batch discharges), maximum instantaneous discharge concentrations for each pollutant have been developed and included in both the BSA's Sewer Use regulations and all discharge permits.

3.5 Unallocated Mass

Following the calculation of the pollutant loadings which comprised the safety margin, uncontrollable source and allocated mass loading categories for each control parameter, a quantity of the respective critical influent masses remained unallocated. These unallocated masses remain reserved for any industries which may begin to discharge to the BSA system in the future or for the expansion of existing industries.

4.0 THE MASS ALLOCATION APPROACH

Under this mass allocation system, existing industrial sources will be allocated an allowable mass discharge limit equivalent to their present discharge level. Following Categorical Pretreatment Standard compliance dates, industries subject to the standards will be allocated a mass based on the regulated concentration limits and their respective discharge volumes. Should an existing industry expand its production level, its allowable mass discharge will be increased accordingly by giving it a portion of the unallocated mass reserve. .Similarly, if a new industry begins to operate within the BSA's service area, its allowable discharge mass would be taken from the unallocated mass reserve. Conversely, if an industry reduces or ceases production, its allocated mass which is lost would be placed into the unallocated reserve.

Table 1 is a summary table for the mass allocation of pollutants received by the BSA POTW. Each control parameter's critical influent mass is divided between the four loading categories. To help clarify the relationships between these categories for each parameter, pie charts are presented in Figures 1 through 16. As indicated, all of the control parameters except selenium exhibit considerable unallocated masses which are available for future industrial expansion. It is reasonable to expect from this information and in consideration of the industrial environment within the BSA's service area, that this approach to implementing the pretreatment program should operate adequately in the future. The selenium problem is one which must be addressed, but this will serve as a good test of the reallocation system which may be required again in the future.

The intent of the BSA in implementing the mass allocation approach is to provide a degree of flexibility to the administration of its pretreatment program. Benefits which may be realized initially by industry as a result of using mass allocation include the elimination of industry's need to install costly pretreatment facilities required to remove pollutants adequately handled by the POTW. In the future, if the POTW's critical influent mass for any of the control parameters should be reached or if the unallocated mass should be depleted, the BSA will have to reallocate the masses for the problem pollutant such that some industries may find it necessary to pretreat their wastewater to remain in compliance.

The mass of each specific pollutant that initially will be allocated to specific industrial users once this mass allocation system is implemented is presented in Appendix C. Presently, it is anticipated that all BPDES permits containing the specific mass limits will be issued during the first five (5) months following EPA/NYSDEC approval of the Authority's pretreatment program. (Assuming that program approval will be received during August 1984, all BPDES permits will be issued by January 1985.) Top priority will be given to issuance of BPDES permits to Electroplating and Metal Finishing facilities. Subsequently all other permits will be issued. The total number of BPDES permits to be issued is 222.

Click to view image

APPENDIX A

INDUSTRIAL WASTE DISCHARGE

MASS ALLOCATION MANUAL

DEVELOPMENT OF LOCAL INDUSTRIAL DISCHARGE LIMITS

Introduction

The primary function of the local pretreatment program is to provide a mechanism for the control of industrial pollutants which can have a significant adverse impact on the POTW or the receiving stream water quality. The development and enforcement of local industrial discharge limits are essential mechanisms for meeting these objectives. The development process basically involves identification of those operational, environmental and health and safety factors which are most sensitive to and could be most adversely impacted by industrial pollutants. Limits are then derived which are expressly designed to mitigate and prevent the potential for an adverse impact.

The methodology used to develop the limits which have been incorporated into the BSA Sewer Use Regulations are presented in this manual. All revisions of existing limits and development of additional limits will also be based on this methodology.

Methodology

The approach to develop specific industrial discharge limits effort is based on initial determination of critical treatment plant influent concentrations necessary to meet the following objectives:

(1) Prevent inhibition or upset of the treatment plant anaerobic digestion process.

(2) Prevent inhibition or upset of the treatment plant aerobic process.

(3) Prevent limitation of sludge disposal options.

(4) Prevent contravention of N.Y. State water quality standards.

(5) Prevent violation of incinerator air emission standards.

Critical influent limits developed on the basis of the basis of the criteria identified are used to derive critical mass loadings for each pollutant of concern. This mass is then allocated - in conjunction with the BSA BPDES permit system - to industrial contributors in the form of mass discharge limits.

The specific manner in which critical influent limits and industrial mass limits are developed is presented below.

Critical Influent Limits. Critical influent limits are developed for the BSA treatment plant using the methodology of Anthony and Breimhurst, 1981 (Ref.1). This methodology involves the following steps:

(1) Identify the pollutants (especially the priority pollutants) which are present in the BSA sewerage system and could have an adverse impact.

(2) Determine the threshold pollutant concentrations that: 1) are inhibitory to the BSA wastewater and sludge treatment processes, 2) would adversely impact on sludge disposal or 3) would contravene NYS water quality standards.

(3) Determine the efficiency of pollutant removal in the BSA treatment plant and the portion of the total pollutant load that is retained in the sludge.

(4) Derive limiting treatment plant influent concentrations necessary to achieve each of the objectives stated above using mathematical relationships which incorporate the information determined in steps 1-3 above.

(5) By comparison of the limiting concentrations derived, determine the most critical concentration for each pollutant.

The specific manner in which this methodology is applied to derive limits to meet the previously stated objectives is presented below.

Inhibition of the Anaerobic Sludge Digestion Process - The pollutant concentrations which are limiting to the BSA anaerobic sludge digestion process are calculated on the basis of the methodology presented in Table 1. Values for C_s and R_p will be determined from the literature.

Table 1- Methodology for Calculation of Influent Concentration Limits Necessary to Prevent Inhibition of the BSA Anaerobic Sludge Digestion Process.

C_iad	=	C_s * 100/R_p * Q_s /Q
Where:
C_iad	=	limiting influent concentration (mg/l)
C_s	=	Limiting concentration in sludge based upon inhibition of anaerobic digestion (mg/l)
R_p	=	percent of pollutant removal in treatment plant primary system
Q_s	=	raw sludge flow to the digestor
=	271 Kgd
Q	=	wastewater flow through the treatment plant
=	180 MGD

Inhibition of the Aerobic Process (Activated Sludge) - The pollutant concentrations which are inhibitory to the BSA activated sludge process will be calculated as shown in Table 2. Values for C_p and R _p will be determined from the literature.

Table 2- Methodology for Calculation of Influent Concentration Limits Necessary to Prevent Inhibition of the BSA Activated Sludge Process.

C_iac	=	C_p/1-R_p/100
Where:
C_iac	=	limiting influent concentration (mg/l)
C_p	=	limiting concentration in primary treatment system effluent based on inhibition of activated sludge (mg/l)
R_p	=	percent of pollutant removal in treatment plant primary system

Limitation of Sludge Disposal Options - The BSA presently incinerates its wastewater treatment plant sludge and landfills the ash. Occasionally, when the incinerators aren't operating the sludge is landfilled. This situation is not expected to change in the foreseeable future. Therefore, the consideration of other sludge disposal options, such as landspreading, is impractical for purpose of defining limiting pollutant influent concentrations. Furthermore, no problems have been noted in the past which would adversely impact on continuation of the present practice of sludge disposal. For example, both the BSA sludge and incinerator ash have been tested for a hazardous. leachate potential (i.e. EP Toxicity test) and were determined to be nonhazardous. For these reasons, the development of limiting influent concentrations necessary to prevent limitation of sludge disposal options is not presently required.

Contravention of N.Y. State Water Quality Based Permit Limits - The BSA's most recent SPDES draft permit contains proposed water quality based discharge limitations for a number of pollutant parameters. The maximum treatment plant influent concentrations which could be allowed without violating such limits are calculated as shown in Table 3. Values for C _e are taken directly from the BSA's SPDES permit. Values for R _o will be determined on the basis of historical BSA treatment plant data.

Table 3- Methodology for Calculation of Influent Limits Necessary to Prevent Contravention of proposed NYS Water Quality Permit Limits.

C_iwpr	=	C_e/1-R_o/100
Where:
C_iwpr	=	limiting influent concentration (mg/l)
C_e	=	water quality based permit requirements (mg/l)
R_o	=	overall percent of pollutant removal in treatment plant

Violation of Incinerator Emission Standards - Since the BSA incinerates its sludge it is subject to the National Emission Standards for Hazardous Air Pollutants ( 40 CFR Part 61). Review of these standards indicates that mercury is presently the only pollutant parameter which is pertinent to BSA's situation. The methodology for determination of the maximum treatment plant influent concentration which could be allowed without violating the mercury emission standard is presented in Table 4.

Table 4- Methodology for Calculation of Influent Limits Necessary to Prevent Violation of Incinerator Emission Standards.

c_iss	=	I_s(100/V_p)(100/Q_ip)(100/R_o)/Q
Where:
C_iss	=	limiting influent concentration (mg/l)
I_s	=	National Emission Standard for Hazardous Air Pollutants (40 CFR Part 61) (gms/day)
V_p	=	percent of pollutant in the treatment plant sludge that is volatilized during incineration
Q_ip	=	percent to total treatment plant sludge generated that is incinerated each day
R_o	=	overall percent of pollutant removed in the treatment plant and retained in the sludge
Q	=	wastewater treatment plant flow (10³1/day)

The value for I _s is determined from the 40 CFR 61 regulations, section 61.52. The value for V_p is determined from the literature (Ref. 2). Values for Q _ip and Q are determined on the basis of BSA Treatment Plant data and information. The value for R _o is determined on the basis of historical BSA treatment plant data.

Summary of Critical Limits - The critical limit for each pollutant is defined as the most restrictive of the limiting concentrations derived on the basis of the criteria and methodology identified above.

Industrial Limits - The approach used to develop specific industrial discharge limits is based on derivation and allocation of critical pollutant (allowable) mass loadings. The treatment plant critical influent mass is determined on the basis of the critical influent concentration and the treatment plant hydraulic design capacity (e.g. 180 MGD) according to the following relationship:

Critical Inf. Limit (mg/l) * g/1000 mg * 1b/454 g * 3.785 l/gal. * hydraulic design capacity (180 MGD) =Critical Inf. Mass

To determine the quantity of the critical mass available for allocation to industrial users, the mass contributed by uncontrollable sources (domestic sources, etc.) is subtracted. Twenty percent of the critical influent mass is also subtracted and permanently set aside as a nonallocated reserve to provide a margin of safety for treatment plant protection and compliance with SPDES permit water quality based limits.

Under this mass allocation system, existing industrial sources will be allocated an allowable mass discharge limit equivalent to their present level of discharge. (Following Categorical Pretreatment Standard Compliance Dates, industries subject to such standards will be allocated a mass based on the regulated concentration limits and each industry's volume of discharge.) All unallocated mass will be set aside in an unallocated mass reserve. This situation allows the BSA to exercise flexibility in administration of this system. For example, when an existing industry expands its production level, its allowable mass discharge could be increased accordingly by giving that industry a portion of the unallocated mass reserve. Likewise, when a new industry moves into the BSA service area, its allowable mass discharge would also be drawn from the unallocated mass reserve. Conversely, when an existing industry moves out of the BSA service area, its mass allocation would be placed back into the unallocated mass reserve.

The mass allocation system described above is specifically designed to protect the treatment plant and receiving stream water quality without imposing unnecessary regulatory restrictions on industry. This system is especially intended to eliminate the need for industry to install costly pretreatment facilities to remove pollutants that are being adequately removed at the BSA treatment plant and that are not present in the treatment plant influent at levels that could have an adverse impact on the treatment plant operation. If, however, the treatment plant critical influent limit for any pollutant is approached or the mass reserve depleted, the BSA will reallocate the mass for that pollutant such that some industries may find it necessary to pretreat their wastewater to remove that pollutant.

The mass limits allocated to each industry will be implemented through the BSA BPDES permit system. All pollutant mass discharge restrictions will be set forth in each industry's permit. To prevent an industry from discharging its total allowable daily mass over a short period of time (i.e. slug or batch discharges), maximum instantaneous discharge concentration limits for each pollutant parameter will also be placed in each permit and the Sewer Use Regulations. The slug discharge limits have been determined on the basis of the following relationship:

S	=	2.5R (Lp - B)
Where:
S	=	maximum allowable instantaneous discharge concentration (mg/l).
R	=	ratio of the treatment plant influent volume to the volume of industrial discharges containing a given pollutant
Lp	=	critical treatment plant influent concentration for any given pollutant (mg/l).
B	=	background concentration (mg/l) (e.g. pollutant contribution by domestic and commercial sources).

Values for R are obtained from the results of the industrial survey. Specifically, the industrial sources of each of the pollutants have been determined on the basis of the wastewater discharge analyses submitted by all the significant industrial users in the BSA service area, including the outlying service areas. Then, for each individual pollutant, the total volume of wastewater from all industrial sources of that pollutant was determined. Each value for R was then determined by dividing the total volume of wastewater received at the BSA treatment plant by the total volume of industrial wastewater containing a given pollutant.

To determine the background concentrations (B) of pollutants (i.e. pollutant quantities from uncontrollable sources such as private residential areas, commercial establishments and storm water runoff), samples of sewerage were collected for subsequent analysis from locations in the BSA sewer system that contained no industrial wastes.

APPENDIX B

CALCULATIONS FOR CRITICAL INFLUENT MASS

STP DESIGN HYDRAULIC CAPACITY X CRITICAL INFLUENT LIMIT * 8.345 lb/mg = CRITICAL INFLUENT MASS

Cadmium: 180 mgd * 0.45 mg/l * 8.345 lb/mg = 675.95 lb/d

Chromium (Total): 180 mgd * 0.72 mg/l * 8.345 lb/mg = 1,081.51 lb/d

Chromium (He*): 180 mgd * 0.17 mg/l * 8.345 lb/mg = 255.36 lb/d

Copper: 180 mgd * 0.27 mg/l * 8.345 lb/mg = 405.57 lb/d

Lead: 180 mgd * 0.77 mg/l * 8.345 lb/mg = 1,156.62 lb/d

Mercury: 180 mgd * 0.0047 mg/l * 8.345 lb/mg = 7.06 lb/d

Nickel: 180 mgd * 0.11 mg/l * 8.345 lb/mg = 165.23 lb/d

Selenium: 180 mgd * 0.0117 mg/l * 8.345 lb/mg = 17.58 lb/d

Silver: 180 mgd * 0.89 mg/l * 8.345 lb/mg = 1,336.87 lb/d

Zinc: 180 mgd * 0.57 mg/l * 8.345 lb/mg = 856.20 lb/d

Cyanide (Total): 180 mgd * 0.22 mg/l * 8.345 lb/mg = 330.46 lb/d

Cyanid (Amen): 180 mgd * 0.02 mg/l * 8.345 lb/mg = 30.04 lb/d

Chloroform: 180 mgd * 0.047 mg/l * 8.345 lb/mg = 70.60 lb/d

Fluoranthene: 180 mgd * 0.0067 mg/l * 8.345 lb/mg = 10.05 lb/d

Endosulfan: 180 mgd * 0.0003 mg/l * 8.345 lb/mg = 0.45 lb/d

DDD: 180 mgd * 0.00013 mg/l * 8.345 lb/mg = 0.20 lb/d

APPENDIX C

CALCULATIONS OF CONTROLLABLE MASS FOR CONTROL PARAMETERS

CADMIUM

Industry	Discharge	Concentration	Loading
(gpd)	(mg/l)	(lb/d)
Atlas Electroplating	20,800	0.02	0.0035
Booth Oil	5,000	0.01	0.0004
Buffalo Metal Finishing	7,700	0.69^*	0.0443
Chevy Motor - GMC	555,400	0.31	1.4368
Conax Corp.	2,400	0.01	0.0002
Conrail	46,600	0.39	0.1517
S.A. Day Mfg.	1,000	0.24	0.0020
Fedders Automotive	424,800	0.03	0.1063
Frontier Hot-Dip	4,000	0.69^*	0.0230
Harrison Rad. - GMC	85,600	0.01	0.0071
Houdaille Hydraulics	123,100	0.09	0.0925
Keystone Corp.	500,100	0.63	2.6292
Marlette Plating	100,000	0.03	0.0250
Marsh Plating	314	0.004	0.00001
National Finishing	120,500	0.66	0.6637
Rotary Co.	56,400	0.03	0.0141
Scott Aviation	57,100	0.03	0.0143
Trico Plant #3	108,600	0.02	0.0181
Westwood Pharm.	124,300	0.01	0.0104
Williams Gold Rfg.	6,100	0.69^*	0.0351
J. H. Williams-TRW	380,000	0.19	0.6025
5.88021
CHROMIUM (TOTAL)
American Optical	322,700	0.17	0.4578
Ameron	1,700	0.03	0.0004
Arcata Graphics	3,900	0.18	0.0059
Atlas Electroplating	20,800	7.0^*	1.2150
Booth Oil	5,000	0.11	0.0046
Buffalo Bumper	47,400	0.71	0.2808
Buffalo China	24,700	0.016	0.0033
Buffalo Color	900,000	1.9	14.2700
Buffalo Metal Finish	7,700	2.77^*	0.1780
Chapin and Fagin	23,000	0.16	0.0307
Com Cir Tek	40,400	0.31	0.1045
Conrail	46,600	0.03	0.0117
Coverall Services	80,400	0.10	0.0671
Coyne Indust. Laund.	66,500	0.07	0.0388
Fedders	424,800	0.06	0.2127
Frontier Hot-Dip	4,000	2.77^*	0.0925
Frontier Linen	195,700	0.03	0.0490
GMC Chevy	555,400	0.83	3.8469
Harris-Crestline	5,300	25	1.1057
Harrison Radiator	85,600	0.7	0.5000
Houdaille Hydraulics	123,100	0.12	0.1233
Keystone Corp.	500,100	0.66	2.7544
Marlette Plating	100,000	2.77^*	2.3116
Marsh Plating	314	0.43	0.0011
L. D. McCauley	40,000	7.0^*	2.3366
Mobil Oil	9,700	0.42	0.0340
National Finishing	120,500	7.0^*	7.0390
Orban Indus.	125,000	0.05	0.0522
Ramco Steel	53,000	0.21	0.0929
Reed Holdings	40,000	0.06	0.0200
Rotary Co.	56,400	0.01	0.0047
Scott Aviation	57,100	1.0	0.4765
Smith Metal Arts	8,500	0.10	0.0071
Trico Plant 1	551,600	3.5	16.1109
Trico Plant 2	280,500	2.77^*	6.4839
Trico Plant 3	108,600	2.77^*	2.5104
TRW - Williams	380,000	0.10	0.3171
W.F. Manuf.	76,000	0.08	0.0507
Westinghouse	189,600	0.09	0.1424
Westwood Pharm.	124,300	0.01	0.0104
Williams Gold	6,100	2.77^*	0.1410
Worthington	135,600	0.16	0.1811
63.6767
CHROMIUM (Hexavalent)
Keystone	500,100	1.01	0.0417
Marlette	100,000	1.9	1.5856
L. D. McCauley	40,000	0.39	0.1302
McDonald Prods.	20,600	0.72	0.1238
Mobil Oil	9,700	0.04	0.0032
1.8845
COPPER
Abbott Labs	4,200	0.25	0.0088
American Optical	322,700	0.25	0.6732
American Std. HTD	22,700	0.11	0.0208
Anaconda	1,941,200	1.0	16.1993
Arcata Graphics	3,900	0.70	0.0228
Atlas Electroplating	20,800	4.5^*	0.7811
Booth Oil	5,000	0.79	0.0330
Buffalo Bumper	47,400	1.8	0.7120
Buffalo Color	900,000	0.45	3.3797
Buffalo Metal Casting	800	0.18	0.0012
Buffalo Metal Finishing	7,700	3.38^*	0.2172
Cadet Cleaners	64,200	0.15	0.0804
Calspan	11,000	0.02	0.0018
Central O-B	600	0.8	0.0040
Chapin & Fagin	23,000	1.2	0.2303
Com Cir Tek	40,400	4.5^*	1.5171
Conax Corp.	2,400	0.03	0.0006
Conrail	46,600	0.14	0.0544
Coverall Services	80,400	0.29	0.1946
Coyne Laundry	66,500	0.35	0.1942
S. A. Day	1,000	0.13	0.0011
Fedders	424,800	0.85	3.0132
Frontier Hot Dip	4,000	3.1	0.1035
GMC-Chevy	555,400	0.13	0.6025
GOMCO	660	0.17	0.0009
Harrison Radiator	85,600	0.03	0.0214
Houdaille	123,100	0.14	0.1438
Marlette	100,000	0.06	0.0501
McDonald Products	20,600	4.5^*	0.7736
Mentholatum	21,400	0.1	0.0179
Morgan Services	176,900	0.10	0.1476
National Finishing	120,500	0.91	0.9151
Orban Indus.	125,000	0.09	0.0939
Osmose	36,100	0.04	0.0121
Reed Holdings	40,000	0.09	0.0300
Rotary Co.	56,400	0.08	0.0377
Scott Aviation	57,100	0.32	0.1525
Smith Metal Arts	8,500	12	0.8512
Sweet Kleen Laund.	203,700	0.03	0.0510
Trico Plant #1	551,600	2.1	9.6665
Trico Plant #2	280,500	0.16	0.3745
Trico Plant #3	108,600	0.24	0.1522
TRW	380,000	0.05	0.1586
Unipunch Prod.	1,025	0.04	0.0003
W. F. Manuf.	76,000	0.24	0.1522
Westinghouse	189,600	0.06	0.0949
Williams Gold	6,100	3.38^*	0.1721
Winfield Indust.	1,500	0.07	0.0009
Worthington	135,600	0.04	0.0453
42.1831
LEAD
American Std HTD	22,700	0.02	0.0038
Ameron	1,700	0.1	0.0014
Atlas Electroplating	20,800	0.6^*	0.1041
Battenfeld Amer.	50,800	0.2	0.0848
Booth Oil	5,000	1.3	0.0542
Buffalo China	24,700	0.69	0.1422
Buffalo Metal Finish	7,700	0.17	0.0109
Cadet Cleaners	64,200	0.04	0.0214
Chapin & Fagin	23,000	1.0	0.1919
Chevy	555,400	0.04	0.1854
Com Cir Tek	40,400	0.6^*	0.2023
Coverall Services	80,400	0.35	0.2348
Coyne Indust. Laund.	66,500	0.54	0.2997
S. A. Day	1,000	0.65	0.0054
Fedders	424,800	0.69^*	2.4460
Frontier Hot Dip	4,000	0.69^*	0.0230
Harrison Rad. #3	85,600	0.38	0.2714
Keystone	500,100	0.17	0.7095
Morgan Services	176,900	0.10	0.1476
National Finishing	120,500	0.14	0.1408
Reed Holdings	40,000	0.20	0.0668
TRW	380,000	0.004	0.0127
Williams Gold	6,100	0.69^*	0.0351
5.3952
MERCURY
Inmont Corp.	2,700	0.002	0.0054
Osmose Wood Pres.	36,100	0.003	0.0009
0.0063
NICKEL
American Optical	322,700	0.11	0.2962
Arcata Graphics	3,900	0.20	0.0065
Atlas Electroplating	20,800	4.1^*	0.7117
Booth Oil	5,000	0.1	0.0042
Buffalo Bumper	47,400	4.1^*	1.6218
Buffalo Color	900,000	0.9	6.7595
Buffalo Metal Finishing	7,700	3.98^*	0.2557
Chevy-GMC	555,400	0.59	2.7345
Com Cir Tek	40,400	0.97	0.3270
S. A. Day	1,000	0.34	0.0028
Frontier Hot Dip	4,000	3.98^*	0.1329
Harrison Rad. #3	85,600	0.07	0.0500
Marlette	100,000	0.34	0.2837
Marsh Plating	314	0.69	0.0018
McDonald Prod.	20,600	0.50	0.0860
National Finishing	120,500	4.1^*	4.1228
Ramco Steel	53,000	0.27	0.1194
Scott Aviation	57,100	0.15	0.0715
Smith Metal Arts	8,500	5.6	0.3972
Trico #1	551,600	2.8	12.8887
TRW	380,000	0.02	0.0634
Westwood Pharm.	124,300	0.002	0.0021
Williams Gold	6,100	3.98^*	0.2026
31.1420
SELENIUM
Keystone	500,100	0.09	0.3756
Williams Gold	6,100	0.007	0.0004
0.3760
SILVER
Booth Oil	5,000	0.02	0.0008
Buffalo Metal Finish.	7,700	0.43^*	0.0276
Com Cir Tek	40,400	0.23	0.0775
S. A. Day	1,000	0.09	0.0008
Nat'l. Finishing	120,500	0.08	0.0804
Reed Holdings	40,000	0.02	0.0067
St. Joseph's Hosp.	61,000	0.08	0.0407
Williams Gold	6,100	0.05	0.0025
0.2370
ZINC
American Optical	322,700	0.19	0.5117
American Standard	22,700	0.17	0.0322
Ameron	1,700	0.23	0.0033
Anaconda	1,941,200	1.4	22.6790
Atlas Electroplating	20,800	1.1	0.1909
Battenfeld American	50,800	0.02	0.0085
Booth Oil	5,000	2.8	0.1168
Buffalo Color	900,000	0.67	5.0320
Buffalo Forge	108,200	0.11	0.0993
Buffalo Metal Casting	800	0.10	0.0007
Buffalo Metal Finishing	7,700	2.61^*	0.1677
Cadet Cleaners	64,200	0.04	0.0214
Central O-B	600	0.2	0.0010
Chapin & Fagin	23,000	2.3	0.4415
Chevy	555,400	1.4	6.4887
Chevy Tonawanda	31,300	0.07	0.0183
Com Cir Tek	40,400	0.86	0.2899
Conax	2,400	0.10	0.0020
Conrail	46,600	0.18	0.0700
Coverall Services	80,400	0.62	0.4160
Coyne Laundry	66,500	1.6	0.8879
Curtiss-Wright	140,900	0.05	0.0588
S. A. Day	1,000	0.22	0.0018
Fedders	424,800	2.61^*	9.2523
Freezer Queen	34,900	0.13	0.0379
Frontier Hot Dip	4,000	2.61^*	0.0871
Frontier Linen	195,700	0.1	0.1633
Harrison Rad. #3	85,600	1.2	0.8572
Houdaille	123,100	0.06	0.0616
Inmont Corp.	2,700	0.27	0.0061
Keystone Corp.	500,100	2.61^*	10.8924
Marlette Plating	100,000	3.4	2.8373
Marsh Plating	314	0.27	0.0007
McDonald Prods.	20,600	0.47	0.0808
Mentholatum	21,400	0.5	0.0893
Morgan Services	176,900	0.19	0.2805
National Finishing	120,500	4.20^*	4.2234
Orban Indust.	125,000	0.49	0.5111
Osmose Wood Pres.	36,100	0.04	0.0121
Phoenix Die Cast	13,230	0.35	0.0386
Pohlman Foundry	59,800	0.15	0.0749
Ramco Steel	53,000	0.2	0.0885
Rotary Co.	56,400	0.11	0.0518
Scott Aviation	57,100	1.6	0.7624
Smith Metal Arts	8,500	2.0	0.1419
Sweet Kleen	203,700	0.19	0.3230
Trico #1	551,600	0.19	0.8746
Trico #2	280,500	0.79	1.8492
Trico #3	108,600	2.61^*	2.3654
TRW	380,000	0.94	2.9808
Unipunch	1,025	0.17	0.0015
W. F. Manuf.	76,000	0.82	0.5201
Westinghouse	189,600	0.14	0.2215
Worthington	135,600	0.63	0.7129
77.9396
CYANIDE (TOTAL)
American Std. HTD	22,700	0.08	0.0152
Atlas Electroplating	20,800	1.9^*	0.3296
Booth Oil	5,000	0.34	0.0142
Buffalo Bumper	47,400	1.9^*	0.7511
Buffalo Color	900,000	2.20	16.5231
Chevy - Tonawanda	31,300	0.02	0.0052
GMC
Conax	2,400	2.60	0.0521
Conrail	46,600	0.11	0.0428
Curtiss-Wright	140,900	0.04	0.0470
Fedders Automotive	424,800	0.61	2.1624
Harrison Rad. #3	85,600	0.01	0.0071
Houdaille Hydraulic	123,100	0.26	0.2671
Inmont Corp.	2,700	0.05	0.0011
Keystone Corp.	500,100	0.01	0.0417
Marlette	100,000	0.13	0.1085
L. D. McCauley	40,000	1.20	0.4006
McDonald Products	20,600	1.2^*	0.2063
National Finishing	120,500	1.9^*	1.9094
Ramco Steel	53,000	0.06	0.0265
Reed Holdings	40,000	0.08	0.0267
Rotary Co.	56,400	0.14	0.0659
Trico #1	551,600	1.20	5.5237
Trico #2	280,500	0.06	0.1404
Trico #3	108,600	0.02	0.0181
Westwood Pharm.	124,300	0.06	0.0622
28.7480
CHLOROFORM
American Optical	322,700	0.014	0.0377
American Standard	22,700	0.003	0.0006
Booth Oil	5,000	0.009	0.0004
Conax Corp.	2,400	0.002	0.00004
Fedders Automotive	424,800	0.003	0.0106
Houdaille Hydraulics	123,100	0.005	0.0051
Markel Nutone	99,000	0.005	0.0041
Rotary Co.	56,400	0.013	0.0061
Trico #1	551,600	0.002	0.0092
Trico #2	280,500	0.024	0.0562
Trico #3	108,600	0.011	0.0100
Westinghouse	189,600	0.005	0.0079
Westwood Pharm.	124,300	0.020	0.0207
Williams Gold	6,100	0.009	0.0005
Winfield Industries	1,500	0.400	0.0050
Worthington	135,600	0.003	0.0034
0.17754

Footnotes

* Categorical Stds.

N.Y. Comp. Codes R. & Regs. tit. 21, Appendices, app 52