Wis. Admin. Code Department of Natural Resources NR 270.033

Current through October 28, 2024

Section NR 270.033 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT)

Except as provided in ss. NR 270.0015, 270.002 and 270.003 and 40 CFR 125.30- 125.32, any existing point source subject to this subcategory shall achieve the following limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT):

(1) The concentration of pollutants discharged in mine drainage from mines either open-pit or underground, that produce uranium ore, including mines using in-situ leach methods, may not exceed:

Effluent characteristic	[BAT] Effluent limitations
Effluent characteristic	Maximum for any 1 day	Average of daily values for 30 consecutive days
Milligrams per liter
COD	200.0	100.0
Zn	1.0	0.5
Ra226¹ (dissolved)	10.0	3.0
Ra226¹ (total)	30.0	10.0
U	4.0	2.0

¹ Values in picocuries per liter (pCi/1).

Wis. Admin. Code Department of Natural Resources NR 270.033

Cr. Register, October, 1986, No. 370, eff. 11-1-86.