[Code of Federal Regulations] [Title 40, Volume 28] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR420.94] [Page 425-428] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 420_IRON AND STEEL MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart I_Acid Pickling Subcategory Sec. 420.94 New source performance standards (NSPS). 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 [[Page 426]] 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. [[Page 427]] \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. [[Page 428]] 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]