Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources.
(a) Casting Cleaning Operations.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | kg/1,000 kkg (pounds per million pounds) of metal poured
|
| Copper (T) | 0.0771 | 0.0421
|
| Lead (T) | 0.0791 | 0.039
|
| Zinc (T) | 0.114 | 0.0431 |
(b) Casting Quench Operation.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | kg/1,000 kkg (pounds per million pounds) of metal poured
|
| Copper (T) | 0.0093 | 0.0051
|
| Lead (T) | 0.0096 | 0.0047
|
| Zinc (T) | 0.0138 | 0.0052
|
| TT0 | 0.029 | 0.0095
|
| Oil and grease (for alternate monitoring) | 0.363 | 0.121 |
(c) Die Casting Operations.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | kg/1,000 kkg (pounds per million pounds) of metal poured
|
| Copper (T) | 0.0066 | 0.0036
|
| Lead (T) | 0.0068 | 0.0034
|
| Zinc (T) | 0.0098 | 0.0037
|
| Total phenols | 0.0074 | 0.0026
|
| TTO | 0.0308 | 0.01
|
| Oil and grease (for alternate monitoring) | 0.259 | 0.0864 |
(d) Dust Collection Scrubber Operations.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | kg/62.3 million Sm
3 (pounds per billion SCF) of air scrubbed
|
| Copper (T) | 0.231 | 0.126
|
| Lead (T) | 0.237 | 0.117
|
| Zinc (T) | 0.343 | 0.129
|
| Total phenols | 0.258 | 0.09
|
| TTO | 0.613 | 0.2
|
| Oil and grease (for alternate monitoring) | 9.01 | 3.00 |
(e) Grinding Scrubber Operations. No discharge of process wastewater pollutants to a POTW.
(f) Investment Casting.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | kg/1,000 kkg (pounds per million pounds) of metal poured
|
| Copper (T) | 8.48 | 4.63
|
| Lead (T) | 8.7 | 4.3
|
| Zinc (T) | 12.6 | 4.74
|
| TTO | 18.1 | 5.91
|
| Oil and grease (for alternate monitoring | 330 | 110 |
(g) Melting Furnace Scrubber Operations.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | kg/62.3 million Sm
3 (pounds per billion SCF) of air scrubbed
|
| Copper (T) | 3.01 | 1.64
|
| Lead (T) | 3.09 | 1.52
|
| Zinc (T) | 4.45 | 1.68
|
| Total phenols | 3.36 | 1.17
|
| TTO | 7.97 | 2.6
|
| Oil and grease (for alternate monitoring) | 117 | 39.1 |
(h) Mold Cooling Operations.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | kg/1,000 kkg (pounds per million pounds) of metal poured
|
| Copper (T) | 0.297 | 0.162
|
| Lead (T) | 0.305 | 0.151
|
| Zinc (T) | 0.44 | 0.166
|
| TTO | 0.935 | 0.304
|
| Oil and grease (for alternate monitoring) | 11.6 | 3.86 |
source: 50 FR 45247, Oct. 30, 1985, unless otherwise noted.
cite as: 40 CFR 464.15