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Cp~jLAB CORE LABORATORIES
<br /> D U A L I T Y C O N T R O L R E S U L T S
<br /> Job Number: 962987 Date: 05/29/97
<br />CUSTOMER: Battle Mountain Gatd Company PROJECT: 30TR96 HCT ATTN: Richard Neu
<br />
<br />Test Metaal.. ... .. .: EPA 370.7 Batch .... .........: 16863 Analyst...: Aie ~
<br />Method Description.: Alka linity Reporting Limit...: 5
<br />Parameter..........: Alka linity, Total as CaC03 Units .... .........: ~/L CaC03 ,
<br />OC Lab ID Reagent OC Result DC Result True Value Orig. Value Calc. Result Units Date/Tine
<br />LCS G961120 702 100 102.0 X REC 12/26/96 1600
<br />MD 960850-153 46 44 4.4 RPD 12/26/96 1600
<br />LCS G961120 98 100 98.0 X REC 12/26/96 1600
<br />MD 962908-705 12 12 0 ABS Diff. 12/26/96 1600
<br />Test Method.. ......: EPA 305.7 Batch .... .........: 16884 Analyst ...: Ana
<br />Method Description.: Acid ity Reporting Limit...: 10
<br />Parameter..........: Acid ity es CaC03 Units .... .........: mg/L CaC03
<br />OC Lab ID Reagent OC Result OC ResuLt True Value Orig. Vatue Calc. Result Units Date/Time
<br />MB 0 12/26/96 1600
<br />MD 960850-153 0 0 0 ASS Diff. 12/26/96 1600
<br />MD 9629D8-105 0 0 0 ABS Diff. 12/26/96 1600
<br />Test Method........: SW-846 6010A Batch .... .........: 17060 Analyst ...: smh ,
<br />Method Description.: Meta ls Analysis (ICAP) Reporting Limit...: 0.03
<br />Parameter.... ......: Iron (Fe) Units .... .........: 1 Ag/L
<br />0C Lab ID Reagent 0C Result OC Result True Value Orig. Value Calc. Result Units Date/Time
<br />ICV 961106Y 2.77948 2.00 706.0 X REC 12/31/% 1141
<br />ICB 9611142 -0.00197 72/37/96 1206
<br />ISA 960929U 180.12521 200 90.1 X REC 12/37/96 1209
<br />ISB 960929R 172.07879 200 86.0 X REC 12/31/96 1216
<br />CCV 961202Y 9.92377 10.0 99.2 X REC 72/31/% 1343
<br />CCB 9611142 0.00473 72/31/% 1346
<br />MD 962544-122 -0.00358 -0.00476 0.00118 ABS Diff. 12/37/96 1353
<br />PDS 962544-122 9611060 2.14063 2.0000 -0.00476 707.3 X REC 12/31/% 1356
<br />CCV 961202Y 70.07893 10.0 700.8 X REC 12/31/% 7416
<br />CCB 9671142 0.00473 12/37/% 1479
<br />CCV 967202Y 9.70730 10.0 97.0 X REC 12/31/% 1454
<br />CCB 9611142 -0.00079 72/37/% 7503
<br />MD 963526-1 0.00133 0.00015 0.00118 ABS Diff. 72/37/% 1513
<br />PDS 963528-1 9617060 1.93694 2.0000 0.00015 96.8 X 0.EC 12/37/% 1516
<br />ISA 960929U 169.77470 200 84.9 X REC 12/31/96 1526
<br />ISB 960929R 164.40562 200 82.2 X REC 12/31/% 1529
<br />CCV 967202Y 9.66099 10.0 96.6 X REC 12/37/% 1534
<br />CCB 9671142 0.00749 12/37/96 1537
<br />MD 960850-157 0.00077 0.00354 0.00277 ABS Diff. 12/31/% 1542
<br />PDS 960850-157 9671060 2.17464 2.0000 0.00354 105.6 X REC 12/31/96 1544
<br />CCV 961202Y 9.48727 70.0 94.9 % REC 12/31/96 1605
<br />CCB 9611142 0.00671 12/31/96 1608
<br />CCV 961202Y 9.48403 10.0 94.8 X REC 12/31/% 1636
<br />CCB 9611142 0.00670 12/37/% 1639
<br />MD 962908-713 -0.00316 -0.00237 0.00079 ABS Diff. 12/31/96 1649
<br />PDS 962908-113 9611060 2.06520 2.0000 -0.00237 103.4 X REC 12/37/96 1652
<br />CCV 961202Y 9.84427 10.0 98.4 X REC 12/31/% 1707
<br />CCB 9611142 0.00592 12/37/% 1710
<br />CCV 961202Y 9.29837 10.0 93.0 X REC 12/31/% 1738
<br />CCB 9611142 0.00375 12/31/96 7741
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