Standards of performance for new sources.

§ 421.124 Standards of performance for new sources.

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

(a) Subpart L—Film Stripping.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/troy ounce of silver from film stripping
Copper64.45030.720
Zinc51.36021.150
Ammonia (as N)6,712.0002,951.000
Total suspended solids755.300604.200
pH( 1)( 1)

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

(b) Subpart L—Film Stripping Wet Air Pollution Control and Precipitation and Filtration of Film Stripping Solutions Wet Air Pollution Control.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/troy ounce of silver from precipitation and filtration of film stripping solutions
Copper1.242.592
Zinc.990.408
Ammonia (as N)129.30056.840
Total suspended solids14.55011.640
pH( 1)( 1)
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