40 CFR 421.282 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

Beta! The text on the eCFR tab represents the unofficial eCFR text at ecfr.gov.
§ 421.282 Effluent limitations guidelines 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 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable technology currently available:

(a) Tantalum alloy leach and rinse.

BPT Limitations for the Secondary Tantalum Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of tantalum powder produced
Copper 438.100 230.600
Lead 96.850 46.120
Nickel 442.800 292.900
Zinc 336.700 140.700
Tantalum 103.800
Total suspended solids 9,455.000 4,497.000
pH ( 1) ( 1)

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

(b) Capacitor leach and rinse.

BPT Limitations for the Secondary Tantalum Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of tantalum powder produced from leaching
Copper 38.380 20.200
Lead 8.484 4.040
Nickel 38.780 25.650
Zinc 29.490 12.320
Tantalum 9.090
Total suspended solids 828.200 393.900
pH ( 1) ( 1)

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

(c) Tantalum sludge leach and rinse.

BPT Limitations for the Secondary Tantalum Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of equivalent pure tantalum powder produced
Copper 390.100 205.300
Lead 86.230 41.060
Nickel 394.200 260.700
Zinc 299.700 125.200
Tantalum 92.390
Total suspended solids 8,417.000 4,003.000
pH ( 1) ( 1)

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

(d) Tantalum powder acid wash and rinse.

BPT Limitations for the Secondary Tantalum Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of tantalum powder produced
Copper 0.665 0.350
Lead 0.147 0.070
Nickel 0.672 0.445
Zinc 0.511 0.214
Tantalum 0.158
Total suspended solids 14.350 6.825
pH ( 1) ( 1)

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

(e) Leaching wet air pollution control.

BPT Limitations for the Secondary Tantalum Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of equivalent pure tantalum powder produced
Copper 9.272 4.880
Lead 2.050 0.976
Nickel 9.370 6.198
Zinc 7.125 2.977
Tantalum 2.196
Total suspended solids 200.100 95.160
pH ( 1) ( 1)

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

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


United States Code
Statutes at Large
Public Laws