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Bowie Resources Limited <br />Bowie No. 2 Mine <br />• 2000 Annual Hydrology Report <br />AW-5 Alluvial Well <br />~~ <br />Depth - 100' Pipe 1.14' Above Gmund Tap of Pipe Elevation - 5982.14' <br />Ground Water <br />11/23/1996 to 3/27/199 3/27/1997 to Present <br />Baseline Ooerallonal <br /> 03/05/00 06120/00 0929100 12/06IO0 Min Max Avg Min Max Avg <br />Water Elevatlon (Feet) 5928 5929 592] 5926 5926.9 9970.5 5928.] 5926.9 59]1.6 5928.2 <br />DepN to Water (Feet) s3.s 53.6 ss.o ss.] 51.] ss.3 s3.s so.s ss.7 s9.o <br />pH (Standard Units) ].1 ].z ].1 ].o ].1 ].1 ].1 6.9 7.4 ].1 <br />Conductivity (umhos/cm) 6500 6500 6500 6500 6200.0 6200.0 6200.0 4300.0 6800.0 6266.] <br />Temperature (C) 12.5 14.] 14.9 19.6 12.6 12.8 13.8 12.5 16.9 14.6 <br />Wet Chemistry MDL <br />Alkalinity as CaCO (mg/I) ]49 ]OB 566 566 566 670 ]6B ]lt <br />Bicarbonate as CaCO (mgll) 20 ]45 706 566 566 566 670 ]6B 714 <br />Carbonate as CaCO (mgA) zo <nroL <t4DL <PIDL <t-roL <r4oL <eroL <DIl)L <r-roL <br />Hydroxide as CaCO (mgA) 30 <r~L <PIDL <I4DL cPIIJL <fiDL <NmL <I+0)L <NmL <br />Chlodde (mgll) 1 4] 46 49 99 49 29 48 90 <br />Conductivity (umhos/cm) 1 6200 9980 5510 5530 5510 9500 6560 5994 <br />Nitrate (mgll) 0.02 2.91 26.]0 36.00 36.00 36.00 2.51 79.60 23.96 <br />Nitrate/Nitrate as N, dis. (mgA) o.oz z.sl zb.]o 36.00 36.00 36.0o z.sl 39.60 z3.46 <br />Nitrite as N, dissolved (mgA) 0.01 <f4DL <f90L <NO]L <I.1flL ct-II)L 3.90 0.56 <br />NiVOgen, ammonia (mgll) 0.05 ct40L cf~mL 0.13 0.13 0, ll <!IDL 0.60 0.17 <br />pH (Lab Units) o.ol ],1 ].z ].6 ].6 ].6 ].1 ].9 ].3 <br />Hardness (mgA) 1 <190L wo 3430 3uo <rvL 3eoo z2oe <br />Phosphate (mg/I) 0.03 o.oa o.03 <troL <PIDL <6IDL <!II)L o.goo o.ooa <br />Phosphorous, artho dis. (mg/I) o.0os 0.013 0.010 <eroL <~mL <t4DL <t-1DL o.oao o.m19 <br />TDS @180 C (mg/I) 10 6910 6290 9]70 9]]0 9]]0 5790 6]60 62]0 <br />SAR 0.03 3.9a 4.02 9.09 9.05 4.09 cPIDL 9.43 3.65 <br />Sulfate (mg/I) 10 1930 3910 7630 1630 3630 1840 9990 3]98 <br />Metals <br />Arsenic, dissolved (mg/I) 0.001 cDII1L <t-IDL <t~L <I4DL <lfeL <f4DL <t-fOL <I~L <br />Catlmium, dissolved (mg/I) 0.003 <nIDL <r~mL cPff1L <tmL <[90L <r-IDL 0.009 0.001 <br />Calcium, dissolved (mg/I) 0.2 321.0 319.0 109.0 305.0 305.0 300.0 139.0 31]. B <br />Imn, dissolved (mg/I) 0.01 <PIDL <!IDL <NO)L cDIIIL <f9DL <I+0)L 0.09 0.01 <br />Iron, total recoverable (mgll) 0.01 0.45 0.37 0.12 0.12 0.12 0.19 0.4] 0. ]9 <br />Magnesium, dissolved (mgA) o.z 688.0 6so.o 650.0 sso.o 650.o bls.o ]31.0 6]3.6 <br />Manganese, dissolved (mgA) 0.005 ct4DL <I9DL cf-mL <MDL cf4DL <t~mL 0.010 0.001 <br />Manganese, total rec. (mg/I) 0.009 <f-mL <DIDL 0.020 0.020 0.020 <f~mL 0.010 0.001 <br />Mercury, dissolved (mg/I) 0.0002 <!IDL <t~tDL <t~L <I~L <f+mL <f9DL <PIDL <PIDL <br />Selenium, dissolved (mg/I) o.ool o.ozz o.0z4 o. o2s o.o2s o.ozs 0.022 0.037 o. cgs <br />Sodium, dissolved (mg/I) 0.6 599.0 Sl].0 579.0 939.0 579.0 514.0 620.0 559.3 <br />Zinc, dissolved (mgll) 0.01 <ND)L <NB)L <19DL cM0)L <PIDL <MB]L 0.05 0.01 <br />Required by curent permit. <br />Baseline Inrormation !or Point AW-5 is tlerived Irom events beginning on 11/23/1996 through 3/27/1997, a period of -4 months. Point ~n0uenced Dy mining on 3/27/1997. <br />~Iluvial Wells AW-1 through AW-6 are located along the north sitle of Old Stale Highway 133, near the enbanca to the mine. <br />MDL =Method Determination Limit BLANK =Not Tested Monitoring Point Table 111 <br />