U.S. Code of Federal Regulations

Regulations most recently checked for updates: Oct 07, 2022

§ 439.14 - Effluent limitations attainable by the application of best available technology economically achievable (BAT).

(a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the application of BAT:

Effluent Limitations (BAT)

Regulated parameter Maximum daily 1 Maximum monthly average 1
Ammonia (as N)84.129.4
Acetone0.50.2
4-methyl-2-pentanone0.50.2
Isobutyraldehyde1.20.5
n-Amyl acetate1.30.5
n-Butyl acetate1.30.5
Ethyl acetate1.30.5
Isopropyl acetate1.30.5
Methyl formate1.30.5
Amyl alcohol10.04.1
Ethanol10.04.1
Isopropanol3.91.6
Methanol10.04.1
Methyl Cellosolve100.040.6
Dimethyl sulfoxide91.537.5
Triethyl amine250.0102.0
Phenol0.050.02
Benzene0.050.02
Toluene0.060.02
Xylenes0.030.01
n-Hexane0.030.02
n-Heptane0.050.02
Methylene chloride0.90.3
Chloroform0.020.13
1,2-dichloroethane0.40.1
Chlorobenzene0.150.06
o-Dichlorobenzene0.150.06
Tetrahydrofuran8.42.6
Isopropyl ether8.42.6
Diethyl amine250.0102.0
Acetonitrile25.010.2

1 mg/L (ppm).

(b) The limitations for COD are the same as specified in § 439.12(c) and (d).

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

[68 FR 12271, Mar. 13, 2003]