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Title 40

Displaying title 40, up to date as of 6/11/2026. Title 40 was last amended 6/11/2026.
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§ 432.125 New source performance standards (NSPS).

Any source that is a new source subject to this subpart must achieve the following performance standards:

(a) Facilities that further process no more than 7 million pounds per year (in units of finished product) must achieve the following performance standards:

Performance Standards

[NSPS]

Regulated
parameter
Maximum daily 1 Maximum monthly avg. 1
Ammonia (as N) 8.0 4.0
BOD5 26 16
Fecal Coliform (2) (3)
O&G (as HEM) 14 8.0
TSS 30 20
1 mg/L (ppm).
2 Maximum of 400 MPN or CFU per 100 mL at any time.
3 No maximum monthly average limitation.

(b) Facilities that further process more than 7 million pounds per year (in units of finished product) must achieve the following performance standards:

Effluent Limitations

[NSPS]

Regulated
parameter
Maximum daily 1 Maximum monthly avg. 1
Ammonia (as N) 8.0 4.0
BOD5 26 16
Fecal Coliform (2) (3)
O&G (as HEM) 14 8.0
TSS 30 20
Total Nitrogen 147 103
1 mg/L (ppm).
2 Maximum of 400 MPN or CFU per 100 mL at any time.
3 No maximum monthly average limitation.