1997-04-24_REVISION - M1977493 (19)

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• • MATRIX SPIKE SAMPLE RECOVERY Client: Climax Molybdenum Company Report Date: 8/26/96 Matrix: Surface Water Date Received: 7/18/96 ACZ Project No.: L10343-02 through 05 Concentration Units: u /L Spiked Method Analysis Sample Sample Sample Spike Recovery Analyte Data No. Value C Value C Added % Arsenic,total recoverable M6020 ICPMS 817/96 1 L10343.02 89.63 1 U 100 89.6 Boron dissolved CLP-M 3/90 ICP 8/9/96 NA Cadmium dissolved M6020 ICPMS 8/14/96 L10343-05 53A7 2.74 50 100.9 Calcium,dissolved CLP 3/90 ICP 8/9/96 NA Chromium, IV dissolved SM3500Cr-D 7/18/96 L10343-05 0.005 0.01 B 0.05 NR Chromium,dissolved CLP 3/90 ICP 8/9/96 L10343-05 184.85 20 U 200 92.4 Chromium,total recoverable CLP 3/90 ICP 8/9/96 1-10343-05 223.22 20 U 200 116.1 Copper,dissolved M6020 ICPMS 8/14/96 L10343-05 208.9 34.13 200 87.4 Iron,dissolved CLP 3/90 ICP 8/9196 1-10343-05 109122 108691 50 NR Iron,total recoverable CLP 3/90 ICP 8/9/96 L10343-05 1040146 10600 100 NR Lead,dissolved M6020 ICPMS 8/14/96 L10343 05 106.11 3 U 100 106.0 !Magnesium,dissolved CLP 3/90 ICP 8/9196 NA Manganese,dissolved CLP 3/90 1CP 8/9/96 L10343-05 7983 7110 50 NR Manganese,total recoverable CLP 3/90 ICP 8/9/96 L10343-05 7090.02 6820 501 NR Mercury,total recoverable CLP M245.1 CVAAE7/27/96 L10343-05 5.58 0.2 U 5 107.6 Nickel,dissolved CLP 3/90 ICP819/96 L10343-05 1070 68 1000 100.2 Selenium,total recoverable SM 3500 Se C,AA /30/96 L10343-05 17.7 1 U 20 88.5 ilver,dissolved M6020 ICPMS /14/96 L10343-05 38.93 3 U 50 76.0 Zinc,dissolved CLP 3/90 ICP 8/9/96 L10343-5 6421 1 2961 350 98.9 Concentration Units: m /L Chloride M325.2 8/13/96 L10343-05 53 4 50.00 98.0 Coliforms,fecal SM9222D 7/18/96 NA Conductivity @25C M120.1 7/19/96 NA snide,free M335.3 7/30/96 L10367-02 0.117 0.01 U 0.10 117.0 Nitrate as N,dissolved M353.2 7/19/96 NA Nitrate/Nitrite as N,dissolved M353.2 7/19/96 L10343-05 0.943 0.02 U 1.00 98.0 Nitrogen,ammonia M350.1 8/8/96 L10343-05 12.10 1 6.61 1 5.00 109.8 Residue,Non-Filterable(TSS)@ M160.2 7/19/96 NA Sulfate M375.3 7/25/96 NA Sulfide as S SM427C 7/19/96 0.313 0.024 0.03 80.0 Thioc anate(SCN) SM4500-CN M 7/25/96 L10343-03 1.9 0.1 U 2 95.0 H(lab) M150.1 7/19/96 NA *Samples not from Climax Molybdenum,but run in the same batch. **No matrix spike recovery due to sample concentration > 4x spike concentration.