Wis. Admin. Code Department of Natural Resources NR 255.63

Current through November 25, 2024

Section NR 255.63 - 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 100

Silver Chloride Cathodes - Chemically Reduced

NSPS

POLLUTANT OR POLLUTANT PROPERTY	MAXIMUM FOR ANY 1 DAY	MAXIMUM FOR MONTHLY AVERAGE
Metric units - mg/kg of silver processed English units - lb/million lbs of silver processed
Lead	22.93	10.65
Silver	23.75	9.83
Iron	98.28	49.96
TSS	1,228.5	982.8
COD	4,095.0	1,999.0
pH	(1)	(1)

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

Table 101

Silver Chloride Cathodes - Electrolytic

NSPS

POLLUTANT OR POLLUTANT PROPERTY	MAXIMUM FOR ANY 1 DAY	MAXIMUM FOR MONTHLY AVERAGE
Metric units -	mg/kg of silver processed
English units -	lb/million lbs of silver processed
Lead	40.6	18.9
Silver	42.1	17.4
Iron	174.0	86.5
TSS	2,175.0	1,740.0
COD	7,250.0	3,540.0
pH	(1)	(1)

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

Table 102

Cell Testing

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
Lead	19.5	7.89
Silver	15.3	6.31
Iron	63.1	32.1
TSS	789.0	631.2
COD	2,630.0	1,290.0
pH	(1)	(1)

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

Table 103

Floor and Equipment Wash

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
Lead	0.026	0.012
Silver	0.027	0.011
Iron	0.112	0.057
COD	1.41	1.13
TSS	4.70	2.30
pH	(1)	(1)

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

Table 104

Air Scrubber

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
TSS	8,467.0	4,030.0
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 100 to 104.

Wis. Admin. Code Department of Natural Resources NR 255.63

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