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Tab/e 13: Acid-Generating Potential of Mineral Encrustations on <br />Wa//s <br /> Slurry pH Slurry pH Slurry pH <br /> 1 Dort aemple 1 Dart enrt+ple 1 pert fenple m <br />Sample Paste '^ too pan. in 1000 parts 10,000 pane or <br />Number Location pH or eoiution of sDl~tion ^olu non <br />1 F•Levet, 100' East of 4,62 6.60 --- ••- <br /> proposed bulkhead site <br />2 F-Level Brenneman vein 6.10 G.05 --• •-- <br /> localized, brown•black mud <br /> tlowstone, located 100 feet <br /> toward Washington Shaft <br /> from proposed bulkhead <br />3 B-Level, near proposed 2.49 2.75 3.6 4.9 <br /> bulkhead site, localized white <br /> tlowstone 2 x 6 foot zone <br />4 B-Level, near proposed 3.11 3.45 6 7 ~~~ <br /> bulkhead, Y+" thick local <br /> deposit, brown tlowstone <br />5 B•Level, Washington Vein 3.56 5.70 •-• ~-- <br /> near Washington vertical <br /> shaft-wall scraping 1/16' <br /> thick <br />6 D•Level, wall scrape, 2700 6.50 --- --- --- <br /> slope, localized tlowstone <br />eumylwpVr~n\2IS7tMu199J.RVt N:I SI(r1011 HYDRO-SEARCH <br />