currently available (BPT).
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 practicable control technology currently available.
(a) Salt bath descaling, oxidizing--(1) Batch, sheet and plate.
Subpart H------------------------------------------------------------------------
BPT 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............................................ 0.204 0.0876Chromium....................................... 0.00292 0.00117Nickel......................................... 0.00263 0.000876pH............................................. (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 6.0 to 9.0.
(2) Batch, rod and wire.
Subpart H------------------------------------------------------------------------
BPT 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............................................ 0.123 0.0526Chromium....................................... 0.00175 0.000701Nickel......................................... 0.00158 0.000526pH............................................. (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 6.0 to 9.0.
(3) Batch, pipe and tube.
Subpart H------------------------------------------------------------------------
BPT 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............................................ 0.496 0.213Chromium....................................... 0.00709 0.00284Nickel......................................... 0.00638 0.00213pH............................................. (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 6.0 to 9.0.
(4) Continuous.
Subpart H------------------------------------------------------------------------
BPT 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............................................ 0.0964 0.0413Chromium....................................... 0.00138 0.000551
Nickel......................................... 0.00124 0.000413pH............................................. (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 6.0 to 9.0.
(b) Salt bath descaling, reducing--(1) Batch.
Subpart H------------------------------------------------------------------------
BPT 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............................................ 0.0949 0.0407Cyanide........................................ 0.00102 0.000339Chromium....................................... 0.00136 0.000542Nickel......................................... 0.00122 0.000407pH............................................. (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 6.0 to 9.0.
(2) Continuous.
Subpart H------------------------------------------------------------------------
BPT 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............................................ 0.532 0.228Cyanide........................................ 0.00569 0.00190Chromium....................................... 0.00759 0.00304Nickel......................................... 0.00683 0.00228pH............................................. (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 6.0 to 9.0. [47 FR 23284, May 27, 1982; 47 FR 41739, Sept. 22, 1982]