La. Public Health and Safety § 40:740

Current with changes from the 2024 Legislative Session

Section 40:740 - Appendices; maximum contaminant levels

A. Appendix A. The following provisions are the maximum contaminant levels for the following compounds:

Compound	Maximum Contaminant = Level (mg/L)	ppb
(1) VOLATILE ORGANIC COMPOUNDS
Trichloroethylene	0.005	5
Carbon tetrachloride	0.005	5
Vinyl Chloride	0.002	2
1,2-Dichloroethane	0.005	5
Benzene	0.005	5
1,1,-Dichloroethylene	0.007	7
1,1,1,-Trichloroethane	0.200	200
p-Dichlorobenzene	0.075	75
Trihalomethanes	0.010	10
(2) INORGANIC COMPOUNDS
Arsenic	0.05	50
Barium	1.0	1000
Cadmium	0.01	10
Chloride	250.0	250,000
Chromium	0.05	50
Copper	1.0	1,000
Fluoride	4.0	4,000
Iron	0.3	300
Lead	0.005	5
Manganese	0.05	50
Mercury	0.002	2
Nitrate	10.0	10,000
Selenium	0.01	10
Silver	0.05	50
Sulfate	250.0	250,000
TDS	500.0
Zinc	5.0	5,000
(3) ORGANIC COMPOUNDS
Endrin	0.0002	0.2
Lindane	0.004	4.0
Methoxychlor	0.10	100.0
Toxaphene	0.005	5.0
2,4-D	0.10	100.0
2,4,5-TP (Silvex)	0.01	10.0
(4) WATER PROPERTIES
Color	< 15 units
Turbidity	< 5 units
pH	6.5 - 8.5
Odor	3 T.O.N.
(5) RADIONUCLIDES
*Gross Alpha	15 pCi/L
**Gross Beta	50 pCi/L

*If Gross Alpha is greater than 5, analyze for Radium 226 and Radium 228. Their total should not exceed 5 pCi/L.

**If Gross Beta is greater than 8 pCi/L, analyze for Strontium 90. If Gross Beta is greater than 50 pCi/L, analyze for Tritium and other man-made nuclides.

B. Appendix B. The following is a listing of inorganic and organic substances:

(1) Inorganics

Aluminum

Ammonia

Antimony

Beryllium

Boron

Cyanide

Foaming Agents

Molybdenum

Nickel

Radium 226

Radium 228

Radon

Sodium

Strontium

Thallium

Uranium

Vanadium

(2) Organics

Acrylamide

Alachlor

Atrazine

Aldrin

Aldicarb

Aldicarb Sulfone

Aldicarb Sulfoxide

Acenaphthene

Acenaphthylene

Adipates

Authracene

Bentazon

Bromobenzene

Bromochloromethane

Bromomethane

Butylbenzene, n

Butylbenzene, sec

Butylbenzene, tert

Benzidine

Benzo (a) anthracene

Benzo (a) pyrene

Benzo (b) fluoranthene

Benzo (ghi) perylene

Benzo (k) fluoranthene

Bis (2-chloroethoxy) methane

Bis (2-chloroethyl) ether

Bis (2-chloroisopropyl) ether

Bis (2-ethylhexyl) pthalate

Bromophenyl Phenyl Ether, 4

Butylbensyl pthalate

Bromacil

Butachlor

Carbofuran

Cyanazine

Chlordane

Chlorothalonil

Chlorobenzene

Chloroethane

Chloromethane

Chlorotoluene, o-

Chlorotoluene, p-

Carbaryl

Chloro-m-Cresol, p-

Chloronapthalene, 2-

Chlorophenol, 2-

Chlorophenyl Phenyl Ether, 4-

Chrysene

Dacthal

Dalapon

DB,2,4-

Delta BHC

Diazonon

Dibromo-3-Chloropropane, 1,2-

Dimethoate

Dieldrin

Ditrotoluene, 2,4-

Dicamba

Dinoseb

Dibromomethane

Dichlorobenzene, m-

Dichlorobenzene, o-

Dichlorodifluoromethane

Dichloroethane,1,1-

Dichloroethylene,1,2-cis-

Dichloroethylene,1,2,-trans

Dichloromethane

Dichloropropane,1,2-

Dichloropropane,1,3-

Dichloropropane,2,2-

Dichloropropene,1,1-

Dichloropropene,1,3-

Di-n-butyl pthalate

Di-n-octyl pthalate

Dichlorobenzidine,3,3-

Dibenzo (a,h) anthracene

Dichlorophenol,2,4-

Diethyl Pthalate

Dimethy Pthalate

Dimethlyphenol,2,4-

Dinitro-o-Cresol,4,6-

Dinitrophenol,2,4-

Diphenylhydrazine,1,2-

Dinitrotoluene,2,6-

Diuron

Diquat

Endothall

Epichlorohydrin

Ethylbenzene

Ethyl Dibromide

Fluorotrichloromethane

Fluoranthene

Fluorene

Glyphosate

Heptachlor

Heptechlor Epoxide

Hexachlorobenzene

Hexachlorobutadiene

Hexachlorocyclopentadiene

Hexachloroethane

Indeno (1,2,3-c,d) Pyrene

Isophorone

Isopropylbenzene

Isopropyltoluene,p-

Methomyl

Methyl tert-Butyl-Ether

Methyl-4,6-Dinitrophenol,2-

Metolachlor

Metribuzin

Molinate

Napthalene

Nitrobenzene

Nitrophenol,2-

Nitrophenol,4-

Nitrosodimethylamine,n-

Nitrosodiphenylamine,n-

Nitrosodi-n-propylamine,n-

PCB

Pentachlorophenol

Phenathrene

Picloram

Prometryn

Propylbenzene,n-

Pyrene

Simazine

T,2,4,5

TCDD,2,3,7,8-

Tetrachloroethane,1,1,1,2-

Tetrachloroethane,1,1,2,2

Tetrachloroethylene

Thiobencarb

Toluene

Trichlorobenzene, 1,2,3-

Trichloro-1,2,2,-Trifluroethane

Trichlorobenzene,1,2,4

Trichloroethane,1,1,2-

Trichlorophenol,2,4,5-

Trichlorophenol,2,4,6

Trichloropropane,1,2,3-

Trifluralin

Trimethylbenze,1,2,4-

Trimethylbenze,1,3,5

Vydate

Xylene,m-

Xylene,o-

Xylene,p-

C. Appendix C. The following is a listing of disinfection byproducts:

(1) Haloacids:

Bromoacetic acid

Dibromoacetic acid

Chloroacetic acid

Dichloroacetic acid

Trichloroacetic acid

(2) Aldehydes

Acetaldehyde

Formaldehyde

(3) Pentane Extractables

Bromochloroacetonitrile

Dibromoacetonitrile

Dichloroacetonitrile

Trichloroacetonitrile

Chloropicrin

Dichloropropanone,1,1-

Trichloropropanone,1,1,1-

(4) Cyanogen Chloride

La. Public Health and Safety § 40:740

Acts 1991, No. 623, §1.