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Title 40Chapter ISubchapter NPart 439 → Appendix


Title 40: Protection of Environment
PART 439—PHARMACEUTICAL MANUFACTURING POINT SOURCE CATEGORY


Appendix A to Part 439—Tables

Table 1—Surrogate Parameters for Direct Dischargers

[Utilizing biological treatment technology]

Regulated parametersTreatability class
Amyl alcoholAlcohols.
Ethanol1
Isopropanol1
Methanol1
Phenol
Isobutyraldehyde1Aldehydes.
n-Heptane1Alkanes.
n-Hexane1
Diethylamine1Amines.
Triethylamine
BenzeneAromatics.
Toluene1
Xylenes1
Chlorobenzene
o-Dichlorobenzene
Chloroform1Chlorinated Alkanes.
Methylene chloride1
1,2-Dichloroethane1
Ethyl acetate1Esters.
Isopropyl acetate
n-Amyl acetate
n-Butyl acetate
Methyl formate
Tetrahydrofuran1Ethers.
Isopropyl ether
Acetone1Ketones.
4-Methyl-2-pentanone (MIBK)
Ammonia (aqueous)Miscellaneous.2
Acetonitrile
Methyl Cellosolve
Dimethyl Sulfoxide

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

2Surrogates 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
Toluene1
Xylenes
n-HeptaneHigh strippability.
Chloroform1
Methylene chloride1
Chlorobenzene
Ammonia (aqueous)
Diethyl amine
Triethyl amine
Acetone1
4-methyl-2-pentanone
n-Amyl acetate
n-Butyl acetate
Ethyl acetateMedium strippability.
Isopropyl acetate
Methyl formate
Isopropyl ether
Tetrahydrofuran1
1,2-dichloroethane
o-Dichlorobenzene

1These 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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