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APPENDIX A <br />II~IDUSTRY SIC CODES (Summary) <br />SIC Code SIC Code: Category/Industry'fype Pem~it Permit <br />Notes Type <br />1400 Mining and Quarrying of Nonmetallic Minerals, Except Fuels <br />1410 Dimension stone (a) ~ <br />141 I Dimension stone; mining and quarrying of dimension stone <br />1420 Crushed and broken stone, including riprap <br />1442 Crushed and broken limestone (a) ~, <br />1443 Crushed and broken granite (a) ~ <br />1429 Sandstone, and crushed and broken stone not elsewhere classified (a) SG <br />1440 Sand and Gravel <br />1442 Constn:ction sand and gravel (a) ~ <br />1146 Industrial sand (a) ~, <br />1450 Clay, ceramic, and refractory minerals <br />1455 Kaolin and ball clay (a) ~ <br />1459 Shale, clay, cerunic, and refractory minerals, not elsewhere classified (a) SG <br />1470 Chemical and fertilizer mineral mining <br />1474 Potash, soda, and borate minerals (a) ~ <br />1475 Phosphate rock (a) ~ <br />1.479 Chemic:d and fertilizer mineral mining, not elsewhere classified (a) SG <br />1480 Nonmetallic minerals services, except fuels <br />1.481 Nonmetallic minerals services, exceptfuels -removal or <br /> overburden, strip mining, etc. (a) ~ <br />1490 Misc. Nonmetallic minerals, except fuels <br />1499 Bon•ow ;pits, misc. Nonmetallic minerals not elsewhere classified, <br /> Such as gypsum, mica, peat, pumice, talc, eta (a) ~ <br />2951 Asphalt batch plants (b) SG, C, L <br />3273 Ready-mi?: concrete facilities (b} SG, C, L <br />Notes: (a) For this SIC Code, a stormwater permit is required only if iunoffcontacts overburden, raw material, intermediate or finished <br /> product, or waste products. <br />(b) Asphalt and concrete batch plants at sand and gavel operations may be covered under permit SG; <br /> facilities at construction sites may be covered under permit C; <br /> other facilities, i ncluding mobile plants, may be covered under pemut L. <br />Permit tvoes: SG: Sand and Gravel General Permit (Permit No. COG-500000) <br /> C: Construction General Permit (Permit No. CO.R-030000} <br /> L: Light Industry General Permit (Permit No. COR-010000) <br />A-1 <br />