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PORT I <br />. Page 1L of 19 <br />r- Permit No. CO-0038776 <br />B. HONITORINC REQUIR=`~NTS (continued) <br />~~. <br />10.. Frequency and Samnle Type - Chrome HET Testing (continued) . <br />AFter March 31, 1993, the chronic testing requirements will no longer <br />be required unless applicable regulations require incluslan of a <br />chronic toxicity L+mic. <br />The permlttee shall conduct each chronic to~.eitq test in general <br />.accordance with methods described in the Division guidance document <br />entitled Guidelines far Conducclne G'hole Effluent ToxSelty Tests. <br />As general iafomatian, chronic tozl.elty occurs when there Is a <br />atatistica]1y signlfleant difference Sa survival, growth or <br />reproduction for either species. <br />11. Tozieity Reopeaer (Oucfalls 002, 011 and 012) <br />If, duria; the first three years after the issuance of this permit, <br />tonicity has oceu -ed Sn the discharge, or is is established that there <br />is a reasonable potential for conicity is the discharge, this permit <br />shall be reopened and modified to impose HET limitations in a manner <br />consistent with any applicable Federal Regulations in effect at that <br />time. Limitations imposed in accordance with such Federal Regulations, <br />if applicable, shall be is effect no lacer than three gears after the <br />dace, Wt: testing conditions were first incorporated into this issued ~" <br />permit. If tonicity occurs in the fourth and fifth years sad a TR?. is \f <br />necessary during this period, the permit shall be immediately reopened `+ <br />sad modified to Sacorporace such limits, if applicable 1n accordance <br />with Federal Regulations. <br />~~ <br />