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-~ •ACZ <br />i1CZ Labarnmrres. loc. <br />2773 Dorvnhd(Orrve <br />.5'reamboar Springs CO 80487 <br />(8110) 3.i4_54'J3 <br />Homestake Mining Company <br />650 California St. <br />San Francisco. CA 94108 <br />Alan Cox <br />cc: Scutt Randall <br />Lab Sample ID: <br />Client Sample ID: <br />Client Project ID: <br />ACZ Report ID: <br />Date Sampled: <br />Date Received: <br />Dale Reported: <br />L22457-01 <br />3-/6-99 Trench lnler <br />Balldog tifine <br />RG89~46 <br />3/l 6/99 13: 20 <br />3/22/99 <br />4/5/99 <br />Sample Matrix: Cro:md Water <br />Field Data <br />",1R)uf4.l't' _ .. ~:nL't'" 4,tA.. ,. ~. .;:. =,m ::7 <br />~ <br />Conductivity (Fuld) Field Measurement 220 umhos/cm 3/16/99 jr <br />pH (Field/ Field Measurement 5 8 units 3/16/99 jr <br />Tzmperalure IFieldl Field Measurement 7.6 C 3/16/99 jr <br />Aluminum, nnnl M200.71CP 0.30 mg/L 0.03 0.2 4/1/99 <br />Arsenic. dissulved A1206.2 GFAA 0.004 B mg/L O.OUI 0.005 3/25/99 <br />Arsenic, mtal M206.2 GFAA 0.005 mg/L 0.001 0.005 4/1/99 <br />Cadmium. dissolved M200.71CP 0.062 mg/L 0003 0.02 3/30/99 <br />C'admiunt. mml M200.7 ICP 0.068 mg/L 0.003 0.02 4/2/99 <br />Coppzr, dissolved M200.7 ICP U mg/L. 0.01 0.05 3/30/99 <br />Coppcr,tmal M200.71CP U mg/L OUI QUS 4/1/99 <br />Iron, dissolved M200.71CP 0.13 ntg/L 0.01 0.05 3/30/99 <br />I yon. total M200.71CP 037 mg/L 0.01 0.05 4/1/99 <br />Lend. dissolved M200.7 ICP 0.12 B mg/L 0.04 0.2 3/30/99 <br />Lead. total M20U.71CP 0.16 B mg/L 0.04 02 4/1/99 <br />Maneane.z. dissolved M200.71CP 2.400 mg/L 0.005 0.03 3/30/99 <br />Maneanesz. total M200.71CP 2.370 mg/L 0.005 0.03 4/1/99 <br />hlzrcugt dissolved M245.1 CVAA U mg/L 00002 0.001 3/31/99 <br />Mercuq', tom/ M245.1 CVAA U me/L 0.0002 O.OUI 3/31/99 <br />-Line. dissoWcd M200.71CP 3.11 mg/L 001 0.05 )/30/99 <br />zinc. tom/ M200.71CP 309 mg/L 0.01 0.05 4/1/99 <br />Metals Pry <br /> <br />N)"ai-CIFta' Sp ~ ~. ''J <br />`.I ~ 1~, <br />~ :4,0 <br />~ 0 <br />Total Hot Plate Digestion h13010 ICP 3/30/99 <br />Total Hot Platy Dicestiwt M3010 GFAA 4/1/99 <br />Wel Chemislrv <br />kr <br />jb <br />jb <br />kr <br />kr <br />kr <br />kr <br />kr <br />kr <br />kr <br />kr <br />kr <br />kr <br />ms <br />ms <br />kr <br />kr <br />tdr <br />laa <br /> <br />Conductivity n25C h1120.1 -Meter 252 umhos/cm 1 10 3/26/99 mh <br />pl l (lab) h1150.1 - Electrontelric 6.0 units 0.1 0.1 7/26/99 mh <br />Residue, Filtertble (TDS)(~?180C M160.1-Gravimetric 200 mg/I, 10 20 7/24/99 ed <br />Residue,Non-Filterablz (TSS)o103-SC M160.2-Gravimetric U mgJL 5 20 3/23/99 cd <br />Sulfate A7375.3 -Gravimetric 90 mg/L 10 20 3/24/99 cc <br />hrn a:Uflr ~'m qIp r ,+fS~t.~1+ ~1T,~+~+e~ ~iti r:i-.e*^.7~'f) tt ~trrd ~ '~ >:= <br />U Analyse w~~ analyzed for but not detected at the ind¢ated MDL <br />B =Anal yte concentration detected at a value between MDL and PQL <br />PQL =Practical Quanfitation Limit <br />REPIN101.03.95.01 Page 1 of 1 <br />,Pv <br />V ice President of Operations: Ralph Poulsen <br />