40 CFR Appendix A to Part 439, Tables

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Appendix A to Part 439 - Tables

Table 1 - Surrogate Parameters for Direct Dischargers

[Utilizing biological treatment technology]

Regulated parameters Treatability class
Amyl alcohol Alcohols.
Ethanol 1
Isopropanol 1
Methanol 1
Phenol
Isobutyraldehyde 1 Aldehydes.
n-Heptane 1 Alkanes.
n-Hexane 1
Diethylamine 1 Amines.
Triethylamine
Benzene Aromatics.
Toluene 1
Xylenes 1
Chlorobenzene
o-Dichlorobenzene
Chloroform 1 Chlorinated Alkanes.
Methylene chloride 1
1,2-Dichloroethane 1
Ethyl acetate 1 Esters.
Isopropyl acetate
n-Amyl acetate
n-Butyl acetate
Methyl formate
Tetrahydrofuran 1 Ethers.
Isopropyl ether
Acetone 1 Ketones.
4-Methyl-2-pentanone (MIBK)
Ammonia (aqueous) Miscellaneous. 2
Acetonitrile
Methyl Cellosolve
Dimethyl Sulfoxide

1 These parameters may be used as a surrogate to represent other parameters in the same treatability class.

2 Surrogates have not been identified for the “Miscellaneous” treatability class.

Table 2 - Surrogate Parameters for Indirect Dischargers (Utilizing Steam Stripping Treatment Technology)

Regulated parameters Treatability class
Benzene
Toluene 1
Xylenes
n-Heptane High strippability.
Chloroform 1
Methylene chloride 1
Chlorobenzene
Ammonia (aqueous)
Diethyl amine
Triethyl amine
Acetone 1
4-methyl-2-pentanone
n-Amyl acetate
n-Butyl acetate
Ethyl acetate Medium strippability.
Isopropyl acetate
Methyl formate
Isopropyl ether
Tetrahydrofuran 1
1,2-dichloroethane
o-Dichlorobenzene

1 These parameters may be used as a surrogate to represent other parameters in the same treatability class.

[63 FR 50437, Sept. 21, 1998; 64 FR 10393, Mar. 4, 1999, as amended at 68 FR 12275, Mar. 13, 2003]

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United States Code

Title 40 published on 2015-08-22.

No entries appear in the Federal Register after this date, for 40 CFR Part 439.