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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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Subpart I
------------------------------------------------------------------------
BAT 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
-----------------------
Lead............................................ 0.000526 0.000175
Zinc............................................ 0.000701 0.000234
------------------------------------------------------------------------


(3) Pipe, tube and other products.


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


(4) Fume scrubbers.


Subpart I
------------------------------------------------------------------------
BAT effuent limitations
------------------------
Average of
daily
Pollutant or pollutant property Maximum values for
for any 1 30
day consecutive
days
------------------------------------------------------------------------
Kilograms
per day
------------------------
Lead........................................... 0.0368 0.0123
Zinc........................................... 0.0491 0.0164
------------------------------------------------------------------------


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

(5) Acid regeneration (absorber vent scrubber).


Subpart I
------------------------------------------------------------------------
BAT effuent limitations
------------------------
Average of
daily
Pollutant or pollutant property Maximum values for
for any 1 30
day consecutive
days
------------------------------------------------------------------------
Kilograms
per day
------------------------
Lead........................................... 0.245 0.0819
Zinc........................................... 0.327 0.109
------------------------------------------------------------------------


The above limitations shall be applicable to the absorber vent scrubber wastewater associated with hydrochloric acid regeneration plants.

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


Subpart I
------------------------------------------------------------------------
BAT 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
------------------------
Chromium....................................... 0.00213 0.000852
Nickel......................................... 0.00192 0.000638
------------------------------------------------------------------------


(2) Bar, billet, and bloom.


Subpart I
------------------------------------------------------------------------
BAT 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
-----------------------
Chromium........................................ 0.000960 0.000384
Nickel.......................................... 0.000864 0.000288
------------------------------------------------------------------------


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


Subpart I
------------------------------------------------------------------------
BAT 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
------------------------
Chromium....................................... 0.00626 0.00250
Nickel......................................... 0.00563 0.00188
------------------------------------------------------------------------


(4) Strip, sheet, and plate—batch.


Subpart I
------------------------------------------------------------------------
BAT 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
------------------------
Chromium....................................... 0.00192 0.000768
Nickel......................................... 0.00173 0.000576
------------------------------------------------------------------------


(5) Pipe, tube, and other products.


Subpart I
------------------------------------------------------------------------
BAT 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
------------------------
Chromium....................................... 0.00322 0.00129
Nickel......................................... 0.00289 0.000964
------------------------------------------------------------------------


(6) Fume scrubbers.


Subpart I
------------------------------------------------------------------------
BAT effluent
limitations
------------------------
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
------------------------------------------------------------------------


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 21031, May 17, 1984; 49 FR 24726, June 15, 1984]

§ 420.94 New source performance standards (NSPS).
top
The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.

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


Subpart I
------------------------------------------------------------------------
New source performance
standards
---------------------------
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
---------------------------
TSS......................................... 0.0146 0.00626
O&G*.................................... 0.00626 0.00209
Lead........................................ 0.0000939 0.0000313
Zinc........................................ 0.000125 0.0000417
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
*The limitations for oil and grease shall be applicable when acid
pickling wastewaters are treated with cold rolling wastewaters.
\1\ Within the range of 6.0 to 9.0.


(2) Bar, billet, and bloom.


Subpart I
------------------------------------------------------------------------
New source performance
standards
---------------------------
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
---------------------------
TSS......................................... 0.00876 0.00376
O&G*.................................... 0.00376 0.00125
Lead........................................ 0.0000563 0.0000188
Zinc........................................ 0.0000751 0.0000250
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
*The limitations for oil and grease shall be applicable when acid
pickling wastewaters are treated with cold rolling wastewaters.
\1\ Within the range of 6.0 to 9.0.


(3) Strip, sheet, and plate.


Subpart I
------------------------------------------------------------------------
New source performance
standards
---------------------------
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
---------------------------
TSS......................................... 0.0117 0.00501
O&G \1\................................. 0.00501 0.00167
Lead........................................ 0.0000751 0.0000250
Zinc........................................ 0.000100 0.0000334
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
------------------------------------------------------------------------
New source performance
standars
---------------------------
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
---------------------------
TSS......................................... 0.0204 0.00876
O&G \1\................................. 0.00876 0.00292
Lead........................................ 0.000131 0.0000438
Zinc........................................ 0.000175 0.0000584
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
------------------------------------------------------------------------
New source performance
standars
------------------------
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
Lead........................................... 0.0368 0.0123
Zinc........................................... 0.0491 0.0164
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
------------------------------------------------------------------------
New source performance
standards
---------------------------
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
---------------------------
TSS......................................... 0.0175 0.00751
O&G \1\................................. 0.00751 0.00250
Lead........................................ 0.000113 0.0000376
Zinc........................................ 0.000150 0.0000501
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
------------------------------------------------------------------------
New source performance
standards
---------------------------
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
---------------------------
TSS......................................... 0.0117 0.00501
O&G \1\................................. 0.00501 0.00167
Lead........................................ 0.0000751 0.0000250
Zinc........................................ 0.000100 0.0000334
pH.......................................... (\2\) (\2\)
------------------------------------------------------------------------
\1\ The limitations for oil and grease shall be applicable when acid
pickling wastewaters are treated with cold rolling wastewaters.
\1\ Within the range of 6.0 to 9.0.


(3) Pipe, tube, and other products.


Subpart I
------------------------------------------------------------------------
New source performance
standards
---------------------------
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
---------------------------
TSS......................................... 0.0321 0.0138
O&G \1\................................. 0.0138 0.00459
Lead........................................ 0.000206 0.0000688
Zinc........................................ 0.000275 0.0000918
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
------------------------------------------------------------------------
New source performance
standards
------------------------
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
Lead........................................... 0.0368 0.0123
Zinc........................................... 0.0491 0.0164
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 hydrochloric acid pickling operation.

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


Subpart I
------------------------------------------------------------------------
New source performance
standards
---------------------------
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
---------------------------
TSS......................................... 0.0204 0.00876
O&G \1\................................. 0.00876 0.00292
Chromium.................................... 0.000292 0.000117
Nickel...................................... 0.000263 0.0000876
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
------------------------------------------------------------------------
New source performance
standards
---------------------------
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
---------------------------
TSS......................................... 0.0117 0.00501
O&G \1\................................. 0.00501 0.00167
Chromium.................................... 0.000167 0.0000667
Nickel...................................... 0.000150 0.0000501
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—continuous.


Subpart I
------------------------------------------------------------------------
New source performance
standards
-----------------------
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............................................. 0.0496 0.0213
O&G \1\..................................... 0.0213 0.00710
Chromium........................................ 0.000710 0.000284
Nickel.......................................... 0.000638 0.000213
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) Strip, sheet, and plate—batch.


Subpart I
------------------------------------------------------------------------
New source performance
standards
------------------------
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............................................ 0.0175 0.00751
O&G \1\.................................... 0.00751 0.00250
Chromium....................................... 0.000250 0.000100
Nickel......................................... 0.000225 0.0000751
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) Pipe, tube, and other products.


Subpart I
------------------------------------------------------------------------
New source performance
standards
------------------------
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............................................ 0.0292 0.0125
O&G\1\..................................... 0.0125 0.00418
Chromium....................................... 0.000418 0.000167
Nickel......................................... 0.000376 0.000125
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.


(6) Fume scrubbers.


Subpart I
------------------------------------------------------------------------
New source performance
standards
------------------------
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
Chromium....................................... 0.0819 0.0327
Nickel......................................... 0.0735 0.0245
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 combination acid pickling operation.

[47 FR 23284, May 27, 1982, as amended at 49 FR 21032, May 17, 1984]

§ 420.95 Pretreatment standards for existing sources (PSES).
top
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) Sulfuric acid (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 values for
for any 1 30
day consecutive
days
------------------------------------------------------------------------
Kg/kkg
(pounds
per 1,000
lb) of
product
------------------------
Lead........................................... 0.000526 0.000175
Zinc........................................... 0.000701 0.000234
------------------------------------------------------------------------


(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
-------------------------
Lead.......................................... 0.000169 0.0000563
Zinc.......................................... 0.000225 0.0000751
------------------------------------------------------------------------


(3) Strip, sheet, and plate.


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.......................................... 0.000338 0.000113
Zinc.......................................... 0.000451 0.000150
------------------------------------------------------------------------


(4) 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.......................................... 0.000939 0.000313
Zinc.......................................... 0.00125 0.000417
------------------------------------------------------------------------


(5) 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 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, 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
-------------------------
Lead.......................................... 0.000920 0.000307
Zinc.......................................... 0.00123 0.000409
------------------------------------------------------------------------


(2) Strip, sheet, and plate.


Subpart I
------------------------------------------------------------------------
Pretreatment standards
for existing sources
-------------------------
Average of
Pollutant or pollutant property daily
Maximum for values for (continued)
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