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40 CFR PART 420—IRON AND STEEL MANUFACTURING POINT SOURCE CATEGORY
1-40CFR420.txt - CFR - 5/16/2006 0:00:00 - Regulation - US

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(continued)
any 1 day 30
consecutive
days
------------------------------------------------------------------------
Kg/kkg
(pounds per
1,000 lb)
of product
-------------------------
Lead.......................................... 0.000526 0.000175
Zinc.......................................... 0.000701 0.000234
------------------------------------------------------------------------


(3) Pipe, tube, and other products.


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for existing sources
-------------------------
Average of
Pollutant or pollutant property daily
Maximum for values for
any 1 day 30
consecutive
days
------------------------------------------------------------------------
Kg/kkg
(pounds per
1,000 lb)
of product
-------------------------
Lead.......................................... 0.00192 0.000638
Zinc.......................................... 0.00255 0.000851
------------------------------------------------------------------------


(4) Fume scrubber.


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for existing sources
-------------------------
Average of
Pollutant or pollutant property daily
Maximum for values for
any 1 day 30
consecutive
days
------------------------------------------------------------------------
Kilograms
per day
-------------------------
Lead.......................................... 0.0368 0.0123
Zinc.......................................... 0.0491 0.0164
------------------------------------------------------------------------
Note: The above limitations shall be applicable for each fume scrubber
associated with hydrochloric acid pickling operations.


(5) Acid regeneration (absorber vent scrubber).


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for existing sources
-------------------------
Average of
Pollutant or pollutant property daily
Maximum for values for
any 1 day 30
consecutive
days
------------------------------------------------------------------------
Kilograms
per day
-------------------------
Lead.......................................... 0.245 0.0819
Zinc.......................................... 0.327 0.109
------------------------------------------------------------------------
Note: The above limitations shall be applicable to the absorber vent
scrubber wastewater associated with hydrochloric acid regeneration
plants.


(c) Combination acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, and coil.


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for existing sources
-------------------------
Average of
Pollutant or pollutant property daily
Maximum for values for
any 1 day 30
consecutive
days
------------------------------------------------------------------------
Kg/kkg
(pounds per
1,000 lb)
of product
-------------------------
Chromium...................................... 0.00213 0.000852
Nickel........................................ 0.00192 0.000638
------------------------------------------------------------------------


(2) Bar, billet, and bloom.


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for existing sources
-------------------------
Average of
Pollutant or pollutant property daily
Maximum for values for
any 1 day 30
consecutive
days
------------------------------------------------------------------------
Kg/kkg
(pounds per
1,000 lb)
of product
-------------------------
Chromium...................................... 0.000960 0.000384
Nickel........................................ 0.000864 0.000288
------------------------------------------------------------------------


(3) Strip, sheet, and plate—continuous.


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for existing sources
-------------------------
Average of
Pollutant or pollutant property daily
Maximum for values for
any 1 day 30
consecutive
days
------------------------------------------------------------------------
Kg/kkg
(pounds per
1,000 lb)
of product
-------------------------
Chromium...................................... 0.00626 0.00250
Nickel........................................ 0.00563 0.00188
------------------------------------------------------------------------


(4) Strip, sheet, and plate—batch.


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for existing sources
-------------------------
Average of
Pollutant or pollutant property daily
Maximum for values for
any 1 day 30
consecutive
days
------------------------------------------------------------------------
Kg/kkg
(pounds per
1,000 lb)
of product
-------------------------
Chromium...................................... 0.00192 0.000768
Nickel........................................ 0.00173 0.000576
------------------------------------------------------------------------


(5) Pipe, tube, and other products.


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for existing sources
-------------------------
Average of
Pollutant or pollutant property daily
Maximum for values for
any 1 day 30
consecutive
days
------------------------------------------------------------------------
Kg/kkg
(pounds per
1,000 lb)
of product
-------------------------
Chromium...................................... 0.00322 0.00129
Nickel........................................ 0.00289 0.000964
------------------------------------------------------------------------


(6) Fume scrubber.


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for existing sources
-------------------------
Average of
Pollutant or pollutant property daily
Maximum for values for
any 1 day 30
consecutive
days
------------------------------------------------------------------------
Kilograms
per day
-------------------------
Chromium...................................... 0.0819 0.0327
Nickel........................................ 0.0735 0.0245
------------------------------------------------------------------------
Note: The above limitations shall be applicable to each fume scrubber
associated with a combination acid pickling operation.


[47 FR 23284, May 27, 1982; 47 FR 41739, Sept. 22, 1982, as amended at 49 FR 21033, May 17, 1984]

§ 420.96 Pretreatment standards for new sources (PSNS).
top
Except as provided in 40 CFR 403.7, any new 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 new sources.

(a) Sulfuric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, coil.


Subpart I
------------------------------------------------------------------------
Pretreatment standards for
new sources
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
Kg/kkg
(pounds per
1,000 lb) of
product
---------------------------
Lead........................................ 0.0000939 0.0000313
Zinc........................................ 0.000125 0.0000417
------------------------------------------------------------------------


(2) Bar, billet, and bloom.


Subpart I
------------------------------------------------------------------------
Pretreatment standards for
new sources
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
Kg/kkg
(pounds per
1,000 lb) of
product
---------------------------
Lead........................................ 0.0000563 0.0000188
Zinc........................................ 0.0000751 0.0000250
------------------------------------------------------------------------


(3) Strip, sheet, and plate.


Subpart I
------------------------------------------------------------------------
Pretreatment standards for
new sources
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
Kg/kkg
(pounds per
1,000 lb) of
product
---------------------------
Lead........................................ 0.0000751 0.0000250
Zinc........................................ 0.000100 0.0000334
------------------------------------------------------------------------


(4) Pipe, tube, other products.


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for new sources
--------------------------
Average of
Pollutant or pollutant property daily
Maximum for values for
any 1 day 30
consecutive
days
------------------------------------------------------------------------
Kg/kkg
(pounds per
1,000 lb) of
product
--------------------------
Lead......................................... 0.000131 0.0000438
Zinc......................................... 0.000175 0.0000584
------------------------------------------------------------------------


(5) Fume scrubber.


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for new sources
------------------------
Average of
Pollutant or pollutant property daily
Maximum values for
for any 1 30
day consecutive
days
------------------------------------------------------------------------
Kilograms
per day
------------------------
Lead........................................... 0.0368 0.0123
Zinc........................................... 0.0491 0.0164
------------------------------------------------------------------------
Note: The above limitations are applicable to each fume scrubber
associated with sulfuric acid pickling operations.


(b) Hydrochloric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, coil.


Subpart I
------------------------------------------------------------------------
Pretreatment standards for
new sources
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
Kg/kkg
(pounds per
1,000 lb) of
product
---------------------------
Lead........................................ 0.000113 0.0000376
Zinc........................................ 0.000150 0.0000501
------------------------------------------------------------------------


(2) Strip, sheet, and plate.


Subpart I
------------------------------------------------------------------------
Pretreatment standards for
new sources
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
Kg/kkg
(pounds per
1,000 lb) of
product
---------------------------
Lead........................................ 0.0000751 0.0000250
Zinc........................................ 0.000100 0.0000334
------------------------------------------------------------------------


(3) Pipe, tube, and other products.


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for new sources
-------------------------
Average of
Pollutant or pollutant property Maximum daily values
for any 1 for 30
day consecutive
days
------------------------------------------------------------------------
Kg/kkg
(pounds
per 1,000
lb) of
product
-------------------------
Lead.......................................... 0.000206 0.0000688
Zinc.......................................... 0.000275 0.0000918
------------------------------------------------------------------------


(4) Fume scrubber.


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for new sources
------------------------
Average of
Pollutant or pollutant property daily
Maximum values for
for any 1 30
day consecutive
days
------------------------------------------------------------------------
Kilograms
per day
------------------------
Lead........................................... 0.0368 0.0123
Zinc........................................... 0.0491 0.0164
------------------------------------------------------------------------
Note: The above limitations shall be applicable for each fume scrubber
associated with hydrochloric acid pickling operations.


(c) Combination acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, and coil.


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for new sources
-------------------------
Average of
Pollutant or pollutant property Maximum daily values
for any 1 for 30
day consecutive
days
------------------------------------------------------------------------
kg/kkg
(pounds
per 1,000
lb) of
product
-------------------------
Chromium...................................... 0.000292 0.000117
Nickel........................................ 0.000263 0.0000876
------------------------------------------------------------------------


(2) Bar, billet, and bloom.


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for new sources
-------------------------
Average of
Pollutant or pollutant property Maximum daily values
for any 1 for 30
day consecutive
days
------------------------------------------------------------------------
kg/kkg
(pounds
per 1,000
lb) of
product
-------------------------
Chromium...................................... 0.000167 0.0000667
Nickel........................................ 0.000150 0.0000501
------------------------------------------------------------------------


(3) Strip, sheet, and plate—continuous.


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for new sources
------------------------
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
------------------------
Chromium....................................... 0.000710 0.000284
Nickel......................................... 0.000638 0.000213
------------------------------------------------------------------------


(4) Strip, sheet, and plate—batch.


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for new sources
-------------------------
Average of
Pollutant or pollutant property Maximum daily values
for any 1 for 30
day consecutive
days
------------------------------------------------------------------------
kg/kkg
(pounds
per 1,000
lb) of
product
-------------------------
Chromium...................................... 0.000250 0.000100
Nickel........................................ 0.000225 0.0000751
------------------------------------------------------------------------


(5) Pipe, tube, and other products.


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for new sources
------------------------
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
------------------------
Chromium....................................... 0.000418 0.000167
Nickel......................................... 0.000376 0.000125
------------------------------------------------------------------------


(6) Fume scrubber.


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for new sources
------------------------
Average of
Pollutant or pollutant property daily
Maximum values for
for any 1 30
day consecutive
days
------------------------------------------------------------------------
Kilograms
per day
------------------------
Chromium....................................... 0.0819 0.0327
Nickel......................................... 0.0735 0.0245
------------------------------------------------------------------------
Note: The above limitations shall be applicable for each fume scrubber
associated with combination acid pickling operations.


[47 FR 23284, May 27, 1982, as amended at 47 FR 41739, Sept. 22, 1982; 49 FR 21033, May 17, 1984]

§ 420.97 Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology (BCT).
top
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) Sulfuric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire and coil.


Subpart I
------------------------------------------------------------------------
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............................................ 0.0819 0.0350
O&G \1\.................................... 0.0350 0.0117
pH............................................. (\2\) (\2\)
------------------------------------------------------------------------
\1\ The limitations for oil and grease shall be applicable when acid
pickling wastewaters are treated with cold rolling wastewaters.
\2\ Within the range of 6.0 to 9.0.


(2) Bar, billet and bloom.


Subpart I
------------------------------------------------------------------------
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............................................ 0.0263 0.0113
O&G \1\.................................... 0.0113 0.00376
pH............................................. (\2\) (\2\)
------------------------------------------------------------------------
\1\ The limitations for oil and grease shall be applicable when acid
pickling wastewaters are treated with cold rolling wastewaters.
\2\ Within the range of 6.0 to 9.0.


(3) Strip, sheet and plate.


Subpart I
------------------------------------------------------------------------
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............................................ 0.0526 0.0225
O&G \1\.................................... 0.0225 0.00751
pH............................................. (\2\) (\2\)
------------------------------------------------------------------------
\1\ The limitations for oil and grease shall be applicable when acid
pickling wastewaters are treated with cold rolling wastewaters.
\2\ Within the range of 6.0 to 9.0.


(4) Pipe, tube and other products.


Subpart I
------------------------------------------------------------------------
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............................................ 0.146 0.0626
O&G \1\.................................... 0.0626 0.0209
pH............................................. (\2\) (\2\)
------------------------------------------------------------------------
\1\ The limitations for oil and grease shall be applicable when acid
pickling wastewaters are treated with cold rolling wastewaters.
\2\ Within the range of 6.0 to 9.0.


(5) Fume scrubbers.


Subpart I
------------------------------------------------------------------------
BCT effluent
limitations
------------------------
Average of
Pollutant or pollutant property daily
Maximum values for
for any 1 30
day consecutive
days
------------------------------------------------------------------------
Kilograms
per day
------------------------
TSS............................................ 5.72 2.45
O&G\1\..................................... 2.45 0.819
pH............................................. (\2\) (\2\)
------------------------------------------------------------------------
\1\ The limitations for oil and grease shall be applicable when acid
pickling wastewaters are treated with cold rolling wastewaters.
\2\ Within the range of 6.0 to 9.0.


The above limitations shall be applicable to each fume scrubber associated with a sulfuric acid pickling operation.

(b) Hydrochloric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire and coil.


Subpart I
------------------------------------------------------------------------
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............................................ 0.143 0.0613
O&G\1\..................................... 0.0613 0.0204
pH............................................. (\2\) (\2\)
------------------------------------------------------------------------
\1\ The limitations for oil and grease shall be applicable when acid
pickling wastewaters are treated with cold rolling wastewaters.
\2\ Within the range of 6.0 to 9.0.


(2) Strip, sheet and plate.


Subpart I
------------------------------------------------------------------------
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............................................ 0.0819 0.0350
O&G\1\..................................... 0.0350 0.0117
pH............................................. (\2\) (\2\)
------------------------------------------------------------------------
\1\ The limitations for oil and grease shall be applicable when acid
pickling wastewaters are treated with cold rolling wastewaters.
\2\ Within the range of 6.0 to 9.0.


(3) Pipe, tube and other products.


Subpart I
------------------------------------------------------------------------
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............................................ 0.298 0.128
O&G \1\.................................... 0.128 0.0426
pH............................................. (\2\) (\2\)
------------------------------------------------------------------------
\1\ The limitations for oil and grease shall be applicable when acid
pickling wastewaters are treated with cold rolling wastewaters.
\2\ Within the range of 6.0 to 9.0


(4) Fume scrubbers.


Subpart I
------------------------------------------------------------------------
BCT effluent
limitations
------------------------
Average of
Pollutant or pollutant property daily
Maximum values for
for any 1 30
day consecutive
days
------------------------------------------------------------------------
Kilograms
per day
------------------------
TSS............................................ 5.72 2.45
O&G \1\.................................... 2.45 0.819
pH............................................. (\2\) (\2\)
------------------------------------------------------------------------
\1\ The limitations for oil and grease shall be applicable when acid
pickling wastewaters are treated with cold rolling wastewaters.
\2\ Within the range of 6.0 to 9.0. (continued)
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