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lll: JUL Ur yJ <br />DRAFT SPILL REPORT <br />Date: 7/7/95 <br />FAXed to: 303-832-8106 <br />cc: Jim Stevens <br />Tom Schreiner <br />Berhan Keftlew <br />125~LL no.ulu r.ul <br /> sss <br />'; <br />r <br /> <br />Brief summary: A maximum of 1000 gallons of weak neutralization solution was <br />released onto the ground by Pad 3 when a butt weld on a solution pipe partially failed <br />causing a portion of the solution to spray beyond the liner. <br />Date of spill: 7/6/95 <br />Time start: 1815 est. Time stop: 1830 <br />Cause: partially failed HDPE 4" bull weld <br />Volume: < 1000 gal. est. <br />NaCN concentration: <0.0251bs/ton of water <br />Emergency measures to neutralize and contain: <br />opened valves to relieve pressure to slop overspray <br />bermed dirt road beside pad to contain spill <br />treated with hypochloritc (15 lbs. liquid and S lbs. solid) <br />Additional corrective actions: <br />~~ 14) ~~~ I~ot{I <br />~~ ~ <br />= ~~ <br />N M <br />Repair pipe <br />Sample area that came in contact with the spill to determine if additional <br />remediation is necessary. <br />Impacts to water resources: <br />No anticipated impacts due to: <br />low concentration of cyanide <br />water absorbed by soil <br />spill area treated with hypochlorite <br />total quantity release <0.] lbs NaCN based on <0.025 ]bs/ton <br />The spill did not leave the Mine Permit Boundary. <br />