Home
gpo.gov
govinfo.gov

e-CFR Navigation Aids

Browse

Simple Search

Advanced Search

 — Boolean

 — Proximity

 

Search History

Search Tips

Corrections

Latest Updates

User Info

FAQs

Agency List

Incorporation By Reference

eCFR logo

Related Resources

Electronic Code of Federal Regulations

We invite you to try out our new beta eCFR site at https://ecfr.federalregister.gov. We have made big changes to make the eCFR easier to use. Be sure to leave feedback using the Help button on the bottom right of each page!

e-CFR data is current as of September 24, 2020

Title 40Chapter ISubchapter NPart 439Subpart A → §439.16


Title 40: Protection of Environment
PART 439—PHARMACEUTICAL MANUFACTURING POINT SOURCE CATEGORY
Subpart A—Fermentation Products


§439.16   Pretreatment standards for existing sources (PSES).

(a) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart must continue achieving the standards for cyanide specified in paragraph (c) of this section and must achieve the following standards by September 21, 2001:

Pretreatment Standards (PSES)

Regulated
parameter
Maximum daily1 Maximum monthly average1
Ammonia (as N)284.129.4
Acetone20.78.2
4-methyl-2-pentanone20.78.2
Isobutyraldehyde20.78.2
n-Amyl acetate20.78.2
n-Butyl acetate20.78.2
Ethyl acetate20.78.2
Isopropyl acetate20.78.2
Methyl formate20.78.2
Isopropyl ether20.78.2
Tetrahydrofuran9.23.4
Benzene3.00.7
Toluene0.30.2
Xylenes3.00.7
n-Heptane3.00.7
n-Hexane3.00.7
Methylene chloride3.00.7
Chloroform0.10.03
1,2-dichloroethane20.78.2
Chlorobenzene3.00.7
o-Dichlorobenzene20.78.2
Diethyl amine255.0100.0
Triethyl amine255.0100.0

1mg/L (ppm)

2Not applicable to sources that discharge to a POTW with nitrification capability.

(b) Sources that discharge to a POTW with nitrification capability (defined at §439.1(i)) are not required to achieve the pretreatment standard for ammonia (as N).

(c) The limitations for cyanide are the same as specified in §439.12(e), (f) and (g).

[68 FR 12272, Mar. 13, 2003]

Need assistance?