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Appendix Page 1 of 3 - Revision 2/2021 <br />Attachment 1 <br />Process water discharges not eligible for coverage under CDPS General Permit COG500000 <br />Process water discharges from the facilities listed below are excluded from coverage due to the potential <br />toxicity and wide variety of pollutants, the minimal operations in Colorado, or Federal ELGs that require no <br />discharge of process water from these facilities: <br />Facility types that require <br />no discharge of process water <br />40 CFR 436 <br />Subpart SIC Code <br />Gypsum facilities that do not employ wet <br />air emissions control scrubbers E 1499 <br />Asphaltic mineral facilities F 1499 <br />Asbestos and wollastonite facilities G 1499 <br />Barite facilities that do not employ <br />wet processes or flotation processes J 1479 <br />Flourspar facilities that do not employ heavy <br /> media separation or flotation processes K 1479 <br />Saline from brine lake facilities L 2899 <br />Borax facilities M 1474 <br />Potash facilities N 1474 <br />Sodium sulfate facilities O 1474 <br />Phosphate Rock R 1475 <br />Frasch sulfur facilities S 1479 <br />Bentonite facilities V 1459 <br />Magnesite facilities W 1459 <br />Diatomite facilities X 1499 <br />Jade facilities Y 1499 <br />Novaculite facilities Z 1499 <br />Tripoli facilities AF 1499 <br />Asphalt batch plants 40 CFR 443 2951 <br />Concrete batch plants, including associated truck <br />and drum wash out <br />--- 3273