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 degree of effluent reduction attainable by the application of the best conventional technology.
(a) Primary mills, carbon and specialty--(1) Without scarfing.
Subpart G------------------------------------------------------------------------
BCT effluent
limitations
------------------------
Average of
Pollutant or pollutant property daily
Maximum values for
for any 1 30
day consecutive
days------------------------------------------------------------------------
Kg/kkg (pounds per
1,000 lb) of product
-------------TSS............................................ 0.150 0.0561O&G............................................; 0.0374 ...........pH............................................. (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 6.0 to 9.0.
(2) With scarfing.
Subpart G------------------------------------------------------------------------
BCT effluent
limitations
------------------------
Average of
Pollutant or pollutant property daily
Maximum values for
for any 1 30
day consecutive
days------------------------------------------------------------------------
Kg/kkg (pounds per
1,000 lb) of product
-------------TSS............................................ 0.221 0.0830O&G............................................; 0.0553 ...........pH............................................. (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 6.0 to 9.0.
(b) Section mills--(1) Carbon.
Subpart G------------------------------------------------------------------------
BCT effluent
limitations
------------------------
Average of
Pollutant or pollutant property daily
Maximum values for
for any 1 30
day consecutive
days------------------------------------------------------------------------
Kg/kkg (pounds per
1,000 lb) of product
-------------TSS............................................ 0.357 0.134O&G............................................; 0.0894 ...........pH............................................. (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 6.0 to 9.0.
(2) Specialty.
Subpart G------------------------------------------------------------------------
BCT effluent
limitations
------------------------
Average of
Pollutant or pollutant property daily
Maximum values for
for any 1 30
day consecutive
days------------------------------------------------------------------------
Kg/kkg (pounds per
1,000 lb) of product
-------------TSS............................................ 0.224 0.0841O&G............................................; 0.0561 ...........pH............................................. (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 6.0 to 9.0.
(c) Flat mills--(1) Hot strip and sheet mills, carbon and specialty.
Subpart G------------------------------------------------------------------------
BCT effluent
limitations
------------------------
Average of
Pollutant or pollutant property daily
Maximum values for
for any 1 30
day consecutive
days------------------------------------------------------------------------
Kg/kkg (pounds per
1,000 lb) of product
-------------TSS............................................ 0.427 0.160O&G............................................; 0.107 ...........pH............................................. (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 6.0 to 9.0.
(2) Carbon plate mills.
Subpart G------------------------------------------------------------------------
BCT effluent
limitations
------------------------
Average of
Pollutant or pollutant property daily
Maximum values for
for any 1 30
day consecutive
days------------------------------------------------------------------------
Kg/kkg (pounds per
1,000 lb) of product
-------------TSS............................................ 0.227 0.0851O&G............................................; 0.0568 ...........pH............................................. (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 6.0 to 9.0.
(3) Specialty plate mills.
Subpart G------------------------------------------------------------------------
BCT effluent
limitations
------------------------
Average of
Pollutant or pollutant property daily
Maximum values for
for any 1 30
day consecutive
days------------------------------------------------------------------------
Kg/kkg (pounds per
1,000 lb) of product
-------------TSS............................................ 0.100 0.0376O&G............................................; 0.0250 ...........pH............................................. (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 6.0 to 9.0.
(d) Pipe and tube mills, carbon and specialty.
Subpart G------------------------------------------------------------------------
BCT effluent
limitations
------------------------
Average of
Pollutant or pollutant property daily
Maximum values for
for any 1 30
day consecutive
days------------------------------------------------------------------------
Kg/kkg (pounds per
1,000 lb) of product
-------------TSS............................................ 0.212 0.0795O&G............................................; 0.0530 ...........pH............................................. (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 6.0 to 9.0. [47 FR 23284, May 27, 1982, as amended at 47 FR 41739, Sept. 22, 1982]