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APPENDIX A <br />Summary of Standard Industrial Classification (SIC) Codes <br />MAJOR GROUP 14.-MINING AND QUARRYING OF NONMETALLIC MINERALS, EXCEPT FUELS <br />updated 12/2009 <br />Industry Industry Description Permit Permit <br />Group No. Notes Type <br />No. <br />141 Dimension stone <br /> 1411 Dimension stone (a) SG <br />142 Crushed and broken stone, including riprap <br /> 1422 Crushed and broken limestone (a) SG <br /> 1423 Crushed and broken granite (a) SG <br /> 1429 Crushed and broken stone, not elsewhere classified (a) SG <br />144 Sand and Gravel <br /> 1442 Construction sand and gravel (a) SG <br /> 1446 Industrial sand (a) SG <br />145 Clay, ceramic, and refractory minerals <br /> 1455 Kaolin and ball clay (a) SG <br /> 1459 Shale, clay, ceramic, and refractory minerals, not elsewhere classified (a) SG <br />147 Chemical and fertilizer mineral mining <br /> 1474 Potash, soda, and borate minerals (a) SG <br /> 1475 Phosphate rock (a) SG <br /> 1479 Chemical and fertilizer mineral mining, not elsewhere classified (a) SG <br />148 Nonmetallic minerals services, except fuels <br /> 1481 Nonmetallic minerals services, except fuels - removal or overburden, (a) SG <br /> strip minin , etc. <br />149 Misc. Nonmetallic minerals, except fuels <br /> 1499 Misc. Nonmetallic minerals, except fuels, such as borrow pits, gypsum, (a) SG <br /> mica, eat, pumice, talc, etc. <br />295 Asphalt paving and Roofing Materials <br /> 2951 Asphalt paving Mixtures and Blocks, including asphalt batch plants (b) SG, N, L <br />327 Concrete, Gypsum, and Plaster Products <br /> 3273 Ready-mixed concrete facilities (b) SG, N, L <br />Notes: (a) For this SIC Code, a stormwater permit is required only if runoff contacts overburden, raw <br />material, intermediate or finished product, or waste products. <br />(b) Asphalt and concrete batch plants at sand and gravel operations may be covered under permit <br />SG; facilities at construction sites may be covered under permit N; other facilities, including <br />mobile plants, may be covered under permit L. <br />Permit SG: Sand and Gravel General Permit (Permit No. COG-500000 - stormwater and process water <br />types: discharges) <br />N: Construction General Permit (Permit No. COR-030000 - stormwater discharges only) <br />L: Light Industry General Permit (Permit No. COR-010000 - stormwater discharges only) <br />A-1