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Bowie Resources Limited <br />Bowie No. 2 Mine <br />1999 Annual Hydrology Report <br />• <br />• <br />D34-15 Dove Gulch -Drainage System <br />For the Period Beginning 0110 111 9 9 9 and Ending 12/31/1999 <br />Surface V1later <br />Elev. 7160 <br />'Field Parameters I usrzlnaaa aarzenaaa osrzmaae ' ttrzsn asa ~ Base Line Min Max Avp <br />,Flow Rate (gpm) t.s 1.c z.1 0.01 61.1 o,o ~.s 1.z <br />Water level erozen I <br />~pH (Standard Units) t~e t.z v.t o.6 t.t t.s~ z.e <br />'IC-onductivity (umhos/cm) aso 410 530 ~ ast a1o j 53o ago <br />ITemPerature (C) 3.z 1z.6 11.6 ~ 11.s ~.z 1z-61 11.1' <br />Lab Parameters <br />Wet Chemistry <br />'Alkalinity as CaCO (mg/q z01 ~ ~ z3e n1 ~ zn n1 <br />~ Bicarbonate as CaCO (mg/p ~ n1 I ~ z3~.-IS nl i n1 z-n <br />Carbonate as CaCO (mg/ry ~~ <br />Hydroxide as CaGO (mg/q <br />Chloride (mg/I) s s s s s i <br />Conductivity (umhos/cm) 656 '110 656 656 656 <br />Nitrate (mgA) o.lz <br />Ni[rate/Nilrite as N, dissolved (mg/I) 0.11 <br />Nitrite as N, dissolved (mgll) J~ <br />pH (Lab Units) ~~< ~.t v.a t.a t.<I <br />Hardness (mg/I) ns 19a 1'16 1]6 ~ 106 ~ <br />1Phosphate (mg/I) ~ ~ , 1 <br />IP oh sphorous, ortho dissolved (mg/I) o.o1c 0.011 o.plo o.oloi o.olai <br />Residue, Filterable (TDS) @780 C (mg/ alo asa uo i alo a1o <br />Residue, NonFillerable (TSS) (mgll) z< ~ <br />Sodium Absorption Ratio in Water z.~e z.01 z.te~ z.te~ z.ts <br />Sulfate (mgll) ~ vo ~ 3s Oo I tc I to <br />Metals <br />Aluminum total recoverable (mg/I) <br />Arsenic, total recoverable (mg/q <br />Cadmium, total recoverable (mg/I) <br />'Calcium total recoverable (mgll) <br />o.os ~ <br />~ <br />~ <br />s1.s ~ I <br />o.4 o.osi o.os o.os <br />j ' <br />I I <br />st.e s1.6i s1.6; s1.6, <br />Copper, total recoverable (mg/I) <br />Iron. total recoverable (mg4) 0.06 o.10 o.p61 0.06 a.o6 <br />Lead, total recoverable (mg/I) j <br />Magnesium, total recoverable (mgll) 11 .1 11.0 11 .1. 11 .1 u. 1 <br />Manganese, total recoverable (mg/I) i o. oz6 i <br />Mercury, local recoverable (mg/I) ~ i <br />Molybdenum, total recoverable (mg/l) <br />Selenium, dissolved (mgll) I 1 o.co1 <br />'Sodium, dissolved (mgll) s1.3 ~ a~.~ s1.3 81.9 81.3 <br />Zinc. dissolved (mg/q ~ I a.oz <br />Organic Analysis i <br />Oil and Grease, total recoverable (mg/I) ' <br />Baseline Inlormarion !or lurure permit revision. <br />Baseline Inlormanon initiale0 in OB/0e/199H and not yet considered complete after monitoring for -19 months. <br />• : he location or D74.15 ~s al a bend in Dove Gulch, below the 9 perennial springs located along :he southern canyon wall. It can be located ;ust below the remnants of an old <br />6pring hOUSe <br />Monitoring Point Table 68 <br />