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~~~ ~ '! • <br />Bruce Humphries -3- September 28, 1995 <br />................................................................................................................................................................................................................................................... <br />30 Day Average Parameters and Standards that <br />Trigger an Emergency Response by the Permittee <br />1. Arequa Gulch underdrain all or any one leak detection sumps: <br />a. WAD cyanide...consecutive 30 day average, and <br />b. Volume of flow from the liner system exceeds one gallon per acre per day from <br />all areas overlain by footprint of the pregnant solutions pond(s), and <br />c. the pH exceeds 8.5 <br />2. Arequa and Wilson Gulches ground water monitoring points <br />a. WAD cyanide...any one analyses exceeds .2 WAD mg/I, and <br />b. the pH exceeds 8.5. <br />Attachments <br />cc: James Stevens <br />James Pendleton <br />M:bSAamm~BaselineLk <br />