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i~C~ ~ • <br />dC'Z Laborotones, /nc. Lab Sample ID: L20903-01 <br />3n;nn Dan~nhd! Dr,ve <br />Re Client Sample ID: 10-98 WGWB <br />.Steamboat Spnng.q CO 80487 ceived Client Project ID: 2108 <br />(80(1) 33;-5;93 ACZ Report ID: RG8/0-07 <br /> NOV <br /> <br />Homestake Mining Company 3 <br />~ 1998 <br />Date Sampled: <br />/0/?7/98 15 <br />:00 <br />650 California St. Dale Received: /0/19/98 <br />Fr <br />a <br />n` isco, CA 94108 ONi51 <br />ftM Da[e Reported: 1/////98 <br />C <br />o <br />Alan 0lIO <br />^6f~ ~ <br />cc: Scott Randall e01 <br />~ Sample Matrix: Surface Wn/er <br />Metals Analysis <br />~'x. .y~. <br />Aluminum, total M200.71CP 0.24 mg/L 0.03 0.2 11/9/98 kr <br />Arsenic, dissolved M206.2 GFAA 0.013 mg/L 0.001 0.005 11/5/96 jb <br />Arsenic. total M2062 GFAA O.OI3 mg/L 0001 0.005 11/10/98 jb <br />Cadmium, dissolved M200.71CP 0.025 mgR- 0.003 0.02 11/9/98 kr <br />Cadmium, total M200.7 ICP 0.022 mg/L 0.003 0.02 11/9/96 kr <br />Copper. dissolved M200.71CP U mg/L 0.01 0.05 11/9/98 kr <br />Copper, mml M200.7 ICP U mg/L 0.01 0.05 11/9/98 kr <br />Iran, dissolved M200.71CP 0.02 B mg/L 0.01 0.05 11/5/98 kr <br />Iron. tmal M200.7 ICP 0.13 mg/L 0.01 0.05 I (/10/96 kr <br />Lead, dissolved M200.71CP U mg/L 0.04 0.2 11/5/98 kr <br />Lead. total M200.71C'P U mg/L 0.04 02 II/9/98 kr <br />Mmtganese, dissolved M200.71CP U mg/L 0.005 0.03 11/9/98 kr <br />Manganese. total M200.71CP 0.010 B mg/L 0.005 0.03 11/9/98 kr <br />Mercury, dissolved M245.1 CVAA U mg/L 00002 0.001 II/5/98 bg <br />Mercury, total M245.1 CVAA U mg/L 0.0002 O.U01 11/5/98 bg <br />Zinc, dissah~ed M200.7 ICP 6.54 mg/L 0.01 0.05 11/9/98 kr <br />Zinc. total M200.71CP 6.08 mg/L 001 0.05 II/9/98 kr <br />Metals Prep <br />'!3'~j'". <br />~ <br />. <br />Toml Hot Plate Digestion M3010 ICP 11/7/98 ms <br />'total Hot Plme Digestion M3010 GFAA I (/10/96 ms <br />Wet <br />Conductivity L2iC' M120.1 - Aleter 539 umhos/cm 1 10 10/29/98 sts <br />pH (lab) M 150 I - Electrometric 7.5 units 0 I 0.1 10/29/98 sts <br />Residue. Fihrrable (TDS) (r~I80C' M160.1 -Gmvimenic 410 mg/L 10 20 10/30/98 nth <br />Residue,Nun-Filterable (TSS)u,10?-5C M160.2-Gravimetric 6 B mg/L 5 20 10/29/98 cd/mh <br />Sulfate M375.3-Gmvimenic 230 mgR. 10 20 10/30/98 sts <br />j~[nng~q~C)nnp any jj;jt, l 'i n,.. <br />U -Analyse was analyzed for but not detected at the indicated MDL <br />B - Analete cnncemralion detected at a value between MDL and PQL <br />PQL =Practical Quamitmion Limit <br />t <br />REPIN101 03 95.01 Page 1 of 1 <br /> <br />Vice President of Operations: Ralph Poulsen <br />