Wis. Admin. Code NR § 274.022

Current through May 28, 2024

Section NR 274.022 - 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:

Table 2-1

Primary Aluminum Smelting

BPT Effluent Limitations
	Maximum for any 1 day	Maximum for monthly average
Pollutant or pollutant property	kg/kkg (pounds per 1,000 pounds) of hot aluminum metal
Fluoride	2.0	1.0
Total suspended solids	3.0	1.5
pH	(1)	(1)

(1) Within the range of 6.0 to 9.0.

Wis. Admin. Code Department of Natural Resources § NR 274.022

Cr. Register, March, 1991, No. 423, eff. 4-1-91.