Wis. Admin. Code Department of Natural Resources NR 297.021

Current through October 28, 2024

Section NR 297.021 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available

Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BPT.

(1) Except for the installations subject to subs. (2) and (3), veneer manufacturing installations may not discharge process wastewater pollutants into waters of the state.

(2) The following limitations apply to softwood veneer manufacturing processes which use direct steaming for the conditioning of logs:

Table 2

Softwood Veneer Manufacturing With Direct Steaming

BPT Efflueint Limitations:
Maximum for any 1 day		Average of daily values for 30 consecutive days
Pollutant or pollutant property	kilograms/cubic meter (pounds per cubic foot) of veneer produced
BOD5	0.72	(0.045)	0.24	(0.015)
pH	(1)	(1)

(1) Within the range of 6.0 to 9.0 at all times

(3) The following limitations apply to hardwood veneer manufacturing processes which use direct steaming for the conditioning of logs:

Table 3

Hardwood Veneer Manufacturing With Direct Steaming

BPT Effluent Limitations
Maximum for any 1 day		Average of daily values for 30 consecutive days
Pollutant or pollutant property	kilograms/cubic meter (pounds per cubic foot) of veneer produced
BOD5	1.62	(0.10)	0.54	(0.034)
pH	(1)	(1)

(1) Within the range of 6.0 to 9.0 at all times

Wis. Admin. Code Department of Natural Resources NR 297.021

Cr. Register, April, 1989, No. 400, eff. 5-1-89.