Wis. Admin. Code Department of Natural Resources NR 255.73

Current through October 28, 2024

Section NR 255.73 - New source performance standards

(1) The discharge of wastewater pollutants from any new source subject to this subchapter may not exceed the following standards:

Table 137

Zinc Oxide Formed Anodes

NSPS

POLLUTANT OR	MAXIMUM FOR	MAXIMUM FOR
POLLUTANT PROPERTY	ANY 1 DAY	MONTHLY AVERAGE
Metric units -	mg/kg of zinc
English units -	lb/million lbs of zinc
Chromium	4.55	1.97
Mercury	2.82	1.19
Silver	4.55	1.97
Zinc	0.87	0.39
Manganese	6.50	4.98
Oil and grease	216.7	216.7
TSS	325.0	260.0
pH	(¹)	(¹)

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

Table 138

Electrodeposited Anodes

NSPS

POLLUTANT OR POLLUTANT PROPERTY	MAXIMUM FOR ANY 1 DAY	MAXIMUM FOR MONTHLY AVERAGE
Metric units -mg/kg of zinc deposited English units -lb/million lbs of zinc deposited
Chromium	45.09	19.54
Mercury	27.91	11.81
Silver	45.09	19.54
Zinc	8.59	3.86
Manganese	64.41	49.38
Oil and grease	2,147.00	2,147.00
TSS	3,220.50	2,576.40
pH	(¹)	(¹)

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

Table 139

Silver Powder Formed Cathodes

NSPS

POLLUTANT OR POLLUTANT PROPERTY	MAXIMUM FOR ANY 1 DAY	MAXIMUM FOR MONTHLY AVERAGE
Metric units -	mg/kg of silver applied
English units -	lb/million lbs of silver applied
Chromium	6.24	2.70
Mercury	3.86	1.63
Silver	6.24	2.70
Zinc	1.19	0.53
Manganese	8.91	6.83
Oil and grease	297.00	297.00
TSS	445.5	356.40
pH	(¹)	(¹)

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

Table 140

Silver Oxide Powder Formed Cathodes

NSPS

POLLUTANT OR POLLUTANT PROPERTY	MAXIMUM FOR ANY 1 DAY	MAXIMUM FOR MONTHLY AVERAGE
Metric units -mg/kg of silver applied English units -lb/million lbs of silver applied
Chromium	4.17	1.81
Mercury	2.58	1.09
Silver	4.17	1.81
Zinc	0.79	0.36
Manganese	5.96	4.57
Oil and grease	198.5	198.5
TSS	297.8	238.2
pH	(¹)	(¹)

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

Table 141

Silver Peroxide Cathodes

NSPS

POLLUTANT OR POLLUTANT PROPERTY	MAXIMUM FOR ANY 1 DAY	MAXIMUM FOR MONTHLY AVERAGE
Metric units -mg/kg of silver applied English units -lb/million lbs of silver applied
Chromium	1.00	0.43
Mercury	0.62	0.26
Silver	1.00	0.43
Zinc	0.19	0.09
Manganese	1.43	1.09
Oil and grease	47.6	47.6
TSS	71.4	57.1
pH	(¹)	(¹)

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

Table 142

Nickel Impregnated Cathodes

NSPS

POLLUTANT OR POLLUTANT PROPERTY	MAXIMUM FOR ANY 1 DAY	MAXIMUM FOR MONTHLY AVERAGE
Metric units -mg/kg of nickel applied English units -lb/million lbs of nickel applied
Chromium	42.0	18.2
Mercury	26.0	11.0
Nickel	42.0	18.2
Silver	42.0	18.2
Zinc	8.0	3.6
Manganese	60.0	46.0
Oil and grease	2,000.0	2,000.0
TSS	3,000.0	2,400.0
pH	(¹)	(¹)

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

Table 143

Miscellaneous Wastewater Streams

NSPS

POLLUTANT OR POLLUTANT PROPERTY	MAXIMUM FOR ANY 1 DAY	MAXIMUM FOR MONTHLY AVERAGE
Metric units -	mg/kg of cells produced
English units -	lb/million lbs of cells produced
Chromium	0.27	0.12
Cyanide	0.039	0.016
Mercury	0.17	0.07
Nickel	0.27	0.12
Silver	0.27	0.12
Zinc	0.05	0.02
Manganese	0.39	0.30
Oil and grease	12.90	12.90
TSS	19.35	15.48
pH	(¹)	(¹)

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

Table 144

Silver Etch

NSPS

POLLUTANT OR POLLUTANT PROPERTY	MAXIMUM FOR ANY 1 DAY	MAXIMUM FOR MONTHLY AVERAGE
Metric units - mg/kg silver processed English units - lb/million lbs of silver processed
Chromium	1.56	0.68
Mercury	0.97	0.41
Silver	1.56	0.68
Zinc	0.30	0.13
Manganese	2.23	1.71
Oil and grease	74.40	74.40
TSS	111.60	89.28
pH	(¹)	(¹)

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

Table 145

Silver Peroxide Production

NSPS

POLLUTANT OR POLLUTANT PROPERTY	MAXIMUM FOR ANY 1 DAY	MAXIMUM FOR MONTHLY AVERAGE
Metric units -	mg/kg of silver in silver peroxide produced

English units -	lb/million lbs of silver in silver peroxide produced

Chromium	1.66	0.72
Mercury	1.03	0.44
Silver	1.66	0.72
Zinc	0.32	0.14
Manganese	2.37	1.82
Oil and grease	79.10	79.10
TSS	118.65	94.92
pH	(¹)	(¹)

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

Table 146

Silver Powder Production

NSPS

POLLUTANT OR POLLUTANT PROPERTY	MAXIMUM FOR ANY 1 DAY	MAXIMUM FOR MONTHLY AVERAGE
Metric units - mg/kg of silver powder produced
English units - lb/million lbs of silver powder produced
Chromium	0.67	0.29
Mercury	0.42	0.18
Silver	0.67	0.29
Zinc	0.13	0.06
Manganese	0.96	0.74
Oil and grease	32.10	32.10
TSS	48.15	38.52
pH	(¹)	(¹)

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

(2) There may be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed in tables 137 to 146.

Wis. Admin. Code Department of Natural Resources NR 255.73

Cr. Register, November, 1987, No. 383, eff. 12-1-87.