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COLORADO DEPARTMENT OF HEALTH, Water Quality Control Division <br />Rationale -Page 2. Permit No. COGSOOi0i00 <br />11. lNTRODUC71ON - STORMWATER PROGRAM <br />sronnwarer discharges. Process wWer discharges arc addressed under Part I.B of (he permit; slormwa(er discharges are <br />addressed under Part I.C of the permit. <br />This will eliminate the need for coverage order more than one permit jar most such facilities. Haweuer, as discussed in <br />Section V.A.2.a ojrhe Rationale, some jacilitier may x•irh to apply for an individual permit instead, in order to take <br />advantage ojsome federal egIuent guidelines not included here. Additionally, as discussed in Section 11/.B of the <br />Rationale, the Water Quality Control Division ojrhe Colorado Department ajHeahh (the 'Division') retains the authority <br />to require any facility to be cns+cred under an individual permit. <br />11I. COYERACE UNDER THIS PERMIT <br />A. New Industrial Caterories <br />The type ojjadliries covered by this permit has been broadened to include all mining and quarrying of nonmetallic <br />minerals, except juelr. This is the description ojS~andard IndusMal Classification (S1CJ Codt I4. 1he permit <br />presdausly covered only construction sand and grass! mining (SIC Code 1442), bur has been changed ro include <br />these new categories due to tlu addition ojstormx~atcr prosisions for these same cruegorier (see Section V.B of the <br />Rationale). Also, stormwater from asphah and connere batch plants located ru sand and gravel operations is <br />included here, due ro their similarity to the mvrred miner in pollution paremial, and their function as an adjunct to <br />the mine operwions. (71re definition ojasphah and connerc batch plants can include the use ojrecyckd asphah or <br />connere.) <br />The nex~ categories include: <br />SIC Code lndusrrv T1ye <br />]4/ Dimension stone <br />/42 Crushed and broken stone <br />/44 Sand and grass( <br />145 Clay, crramic, and refractory minerals <br />147 Chemical and fertilizer mineral mining <br />148 Nonmetallic minerals senices, acept fudt (e. g., osrrburden removal, strip mining, <br /> etc. J <br />149 Miscellaneous nonmetallic minerals, except fuels (e.g., asbestos, gems, fill dirt pits, <br /> graphite, gtpsum, peat, Pumice, talc, etc) <br />2951 Asphalt batch plants <br />NA Connere batch plants <br />B. General vs. Individual Permit Corrmee <br />Any owner or operator authorized by rhir permit may request ro be erclrtded from the cnxerage of this permit by <br />applying for an individual CDPS permit. The ox•ner ar operator shall submit an individual application to the <br />Division, with reasons supporting the request. <br />Alternately, if, after evaluation ojrhe application (or additional information, such as the SWMPJ, it i.s found that <br />this general permit is not applicable ro the operation, then the application may be processed as one for an <br />individuol permit, or a more appropriate general permit. The applicant will be nor~ed of (he Division's decision to <br />deny certification under this general permit. <br />C. Eremo(ians !or Minor bluniritwlities <br />the lntermodal Surface Transportation EjJicienc~~ Act of 1991 has resulted in some modificntinns to the stormwater <br />regulations. Section 1068(cJ ojrhe Transportation An has added an eremprion ro the srnrmwarer regulations far <br />munieipnlities with less than !00,(X)0 population. The term 'municipality' includes cities, towns, counties, special <br />