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AMERICAN TUNNEL AREA (continued) : <br /> (2) American Tunnel Waste Pile Seeps (ATS-1 , ATS-2) , Table 6. <br /> No flaw was found at this site in October 1988 . Very low <br /> flow was sampled in May 1989 at the start of run-off . pH of <br /> both sites was low, and TDS and dissolved metal concentrates <br /> were very high in both samples, significantly more so in <br /> ATS-2 at the toe of the dump. Another set of samples will <br /> be taken in June 1989 to add to available data. <br /> TERRY `FUNNEL AREA: <br /> Eureka Creek (EC-1) , Table 7. <br /> This site shows relatively unchanging pIi and TDS values . <br /> TSS and dissolved Zinc show an upward trend through the <br /> year . This site was sampled in May 1.989, as soon as <br /> accessible, with results pending. <br /> PART V - 11PDES DISCHARGE DATA <br /> `fable 8 lists the NPDES discharge points and respective limits . <br /> Comments: <br /> SEFF - Mayflower Mill Discharge. <br /> Table 9 lists discharge data to date for. 1989 . The mill <br /> continued to meet NPDES limits in 1988-1989 . <br /> AT004 - American Tunnel Discharge. <br /> Table 10 lists discharge data to date for 1989. <br /> Figures 1 and 1-A present discharge data in graphic form, <br /> showing trend toward meeting limits . <br /> Sunnyside received a Colorado Department of health NOV for <br /> TSS in May 1.988 for this site. <br /> Work on the American Tunnel Lime Plant has resulted in <br /> progress toward meeting NPDES limits . It is expected that <br /> the Sunnyside will meet limits for all parameters in the <br /> last half of 1989 . <br /> TT002 - Terry 'funnel Discharge. <br /> Table 1.1 lists discharge data to date for 1988 . <br /> A new lime plant was installed at the Terry at the end of <br /> May 1989. Water data for 1989 is not yet available .from the <br /> lab as of the writing of this report. Initial problems in <br /> the set-up of the Terry Lime Plant , primarily "rat holing" <br /> of lime in the main bin, are being solved. It is expected <br /> that the Terry will meet limits for all parameters in the <br /> summer of 1989 as soon as the plant is running correctly. <br /> - 9 - <br />