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:
| Regulated parameter | Maximum daily 1 | Maximum monthly average 1 |
|---|---|---|
| Ammonia (as N) 2 | 84.1 | 29.4 |
| Acetone | 20.7 | 8.2 |
| 4-methyl-2-pentanone | 20.7 | 8.2 |
| Isobutyraldehyde | 20.7 | 8.2 |
| n-Amyl acetate | 20.7 | 8.2 |
| n-Butyl acetate | 20.7 | 8.2 |
| Ethyl acetate | 20.7 | 8.2 |
| Isopropyl acetate | 20.7 | 8.2 |
| Methyl formate | 20.7 | 8.2 |
| Isopropyl ether | 20.7 | 8.2 |
| Tetrahydrofuran | 9.2 | 3.4 |
| Benzene | 3.0 | 0.7 |
| Toluene | 0.3 | 0.2 |
| Xylenes | 3.0 | 0.7 |
| n-Heptane | 3.0 | 0.7 |
| n-Hexane | 3.0 | 0.7 |
| Methylene chloride | 3.0 | 0.7 |
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Code of Federal Regulations
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| Chloroform | 0.1 | 0.03 |
| 1,2-dichloroethane | 20.7 | 8.2 |
| Chlorobenzene | 3.0 | 0.7 |
| o-Dichlorobenzene | 20.7 | 8.2 |
| Diethyl amine | 255.0 | 100.0 |
| Triethyl amine | 255.0 | 100.0 |
| 1 mg/L (ppm) | ||
| 2 Not 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).
Code of Federal Regulations
(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:
| Regulated parameter | Maximum daily 1 | Maximum monthly average 1 |
|---|---|---|
| Ammonia (as N) 2 | 84.1 | 29.4 |
| Acetone | 20.7 | 8.2 |
| 4-methyl-2-pentanone | 20.7 | 8.2 |
| Isobutyraldehyde | 20.7 | 8.2 |
| n-Amyl acetate | 20.7 | 8.2 |
| n-Butyl acetate | 20.7 | 8.2 |
| Ethyl acetate | 20.7 | 8.2 |
| Isopropyl acetate | 20.7 | 8.2 |
| Methyl formate | 20.7 | 8.2 |
| Isopropyl ether | 20.7 | 8.2 |
| Tetrahydrofuran | 9.2 | 3.4 |
| Benzene | 3.0 | 0.7 |
| Toluene | 0.3 | 0.2 |
| Xylenes | 3.0 | 0.7 |
| n-Heptane | 3.0 | 0.7 |
| n-Hexane | 3.0 | 0.7 |
| Methylene chloride | 3.0 | 0.7 |
|
Code of Federal Regulations
402
|
||
| Chloroform | 0.1 | 0.03 |
| 1,2-dichloroethane | 20.7 | 8.2 |
| Chlorobenzene | 3.0 | 0.7 |
| o-Dichlorobenzene | 20.7 | 8.2 |
| Diethyl amine | 255.0 | 100.0 |
| Triethyl amine | 255.0 | 100.0 |
| 1 mg/L (ppm) | ||
| 2 Not 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).