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OCT.-19 99 (MONI 14:35 COMMERCIAL TEST-LAB <br />TEL:S03 373 0791 P. 001 <br />COMMERCIAL TESTING & ENGINEERING CO. <br />GENERAL OFFlCES: 1919 BOUIIi HIOHIAND AVE., BU11E xibB, LOM6MD, IWN018 59148 • lEL• 539.95&410D FAx: 8aD•BS4Ba08 <br />SINCE 199!4• /~\~r!~ <br />'~'"~`7 MamGr o1 Ule SGS Group (SxI6N G6nlrela de 6urvelllenca) <br />1808-1888 90 Y08/S CD7nmJtted Ib EYCBI/BAOe ADDRE6S ALL GORRE6PONDENCE TO: <br />1885 PARIS 6TAEET <br />October 15, 1998 suttee-xaD <br />DENVER CO 80239 <br />0%HOW CARBON 6 MINERALS, INC. FAx:1309)3734181 I <br />Sanborn Creek Mine <br />P.O. BOX 535 Sample identification by <br />SOMERSET CO 81434 OXBOW MINING, INC. <br />SAMPLE ID EC-6 <br />SAMPLE DATE: 09/30/98 <br />Ki>zd of sample GROUNDWATER SAMPLE TIME: 12:10 <br />Sample taken by OXBOW MINING, INC. <br />Date received October 1, 1998 <br />Analysis report no. 72-392645 <br />DETECTION ANALYZED <br />PARAMETER RESIILTS ITDTITS b7ETHOD LIMIT DATE/TIME ANALYST <br />Ammonia Nitrogen, <br />NH3-N 0.18 mg/L ~SM4500NH3-F 0.05 10-09-1998 1030 hrs LZ <br />Bicarbonate Alkalinity <br />as HC03 722 mg/L SM2320B 1 10-03-1998 1000 hrs KL <br />Carbonate Alkalinity <br />as C03 cl mg/L' SM2320B 1 10-03-1998 1000 hrs KL <br />pH 7.76 ,e .u. 5M450QHH 0.01 10-01-1998 1600 hrs KL <br />Conductivity 2600 umhos/cm SM2510B 1 10-01-1998 1600 hrs KL <br />Chloride, C1 30 ~~mg%L SM4500CL-E 1 10-02-1998 1195 hrs AK <br />Nitrate/Nitrite 0.70 mg/L SM9500N03-P 0.02 10-02-1998 1445 hrs DN <br />Sulfate, SO4 872 mg/L SM4500SOq-C 4 10-05-1998 1400 hrs AK <br />Total Suspended <br />Solids, TSS 110 mg/L SM2540D 5 10-02-1998 1000 hrs KL <br />Total Dissolved <br />Solids, TDS ~ 1879 mg/L SM2540C 10 10-02-1998 1000 hrs KL <br />Orthophosphate, <br />PO4-P 0,03 mg/L SM4500P-S 0.01 10-01-1998 OB30 hrs KL <br />Method Reference: <br />Poet-IY Fax Nate <br />7677 <br />"Standard Methods for the examination Of Water and Waetewater,a <br />18th Edition 1992, APHA-AWWA-WEF. <br />Reepaedully auEmlNed, <br />COMMERCIAL TEfiTNO AENGINEERING CO. <br />~~ MEMBER <br />Denv~h <br />OVER 40 BRANCH LABORATORIES 6TRATEGICALLY LOCATED IN PRINCIPAL GOAL MINING AREAS, TDEWATER AND ORFAT LIKES PORTS, AND RIVER LOADING FACILITIES <br />F~SB <br />Orl91na1 WatormarNad For Your Prorecdon TFAM6 AND COND1110N5 DN REVERSE <br />