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1 <br /> ''t <br /> ~~ <br />„ ~ / (2) <br />~"' Quarterly sampling of the drain system at the base of the <br /> <br />' ~[" <br />~ tailings facility (CMLRB Permit No. M-88-112); <br /> (3) Monthly sampling (weekly during the first six months of <br />' operation) of the leak detection system in the collection <br /> pond (CMLRB Permit No. M-88-112); <br />' <br /> (4) Semi-annual sampling at the lysimeter locations in the <br />' vicinity of the collection pond (stipulatigns between <br /> Battle Mountain and Dos Hermanos Ranch, dat@d November <br /> 30, 1990 and October 15, 1991, as part o~ Case No. <br />' 89CW32); and <br />r <br />~ ~le~""r~' (5) Semi-annual sampling at the two off-site wells (condition <br />D ~ ~.~~ ~~µ+/ ' of decree (Paragraph 26 (c) i) in Case No. 89~W32, dated <br />' ~((,rr~' November 12, 1991) . <br />' However, based on a Notice of Violation (NOV) issued on March 31, <br /> 1992 and a NOV Abatement Plan issued on April 24, 1992, the water <br /> quality monitoring schedule will be modified as follows; <br /> (1) Monitoring stations RS-5, M-2, M-6, M-7, M-8 alnd M-9 will <br />' ( <br />t <br />~ basis if sufficient sample <br />led on a bi-weekl <br />be sam <br /> ~~ <br />~, <br />, <br />' y <br />p <br /> W <br />~ <br />.~") volume is available; <br /> ~ <br />P <br /> ~ <br />S <br /> ba~~_),i-'~ <br />(2) Five process system points will be sampled on a bi-weekly <br />' ~ basis, including pre-detox, post-detox, upper Impoundment <br /> area, lower impoundment area and the collection pond <br />' feeder ditch: <br /> (3) Lysimeters will be checked on a bi-weekly basis, and if <br />' sufficient sample is obtained, the sample will be <br /> submitted for analysis; <br /> <br />1 <br />-2- <br /> <br />