Wis. Admin. Code Department of Natural Resources NR 274.194

Current through October 28, 2024

Section NR 274.194 - New source performance standards

Any new source subject to this subchapter shall achieve the following standards:

Table 19-1

Secondary Indium Displacement Supernatant

NSPS
Maximum for any 1 day	Maximum for monthly average
Pollutant or pollutant property	mg/kg (pounds per million pounds) of indium metal produced
Cadmium	2.105	0.929
Lead	2.600	1.238
Zinc	9.037	3.776
Indium	2.724	1.114
Total suspended solids	253.800	120.700
pH	(1)	(1)

(1) Within the range of 7.5 to 10.0 at all times.

Table 19-2

Secondary Indium Spent Electrolyte

NSPS
Maximum for any 1 day	Maximum for monthly average
Pollutant or pollutant property	mg/kg (pounds per million pounds) of cathode indium produced
Cadmium	12.170	5.370
Lead	15.040	7.160
Zinc	52.270	21.840
Indium	15.750	6.444
Total suspended solids	1,468.000	698.100
pH	(1)	(1)

(1) Within the range of 7.5 to 10.0 at all times.

Wis. Admin. Code Department of Natural Resources NR 274.194

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