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California Environmental Protection Agency <br /> Department of Toxic Substances Control <br /> Environmental Chemistry Laboratory <br /> 700 Heinz Avenue,Suite 100,Berkeley,CA 94710 <br /> SWRSIAIVCI;�.CONTROL Telephone:(610)540-2122 <br /> ANALYTICAL LABORATORY REPORT-METALS(CA-WET) <br /> Authorization No.: 18ECO051 Sample Location: Thatcher Co of California,Stockton <br /> ECL Sample 1D.- BC00958 Preparation Date: 12/13/2018 <br /> Sample Matrix- Leachate Preparation Method: ECL 05.0025.60 <br /> Analysis Method, EPA,60100 <br /> [Ab Control Sample Lab Control Sample Duplicate Control Limits <br /> Analyte Units Batch ID Spike Result Recovery Qualifier Analysis <br /> Spike Result Recovery Qualifier Analysis RPD Qualifier Recovery RPD <br /> ----------7-- Added % Flags Date Added % Flass Date % Flag-5 % <br /> A <br /> mimomy mg/L 1881114 50,0 45.8 92 12/13118 50.0-- 49.3 99 12/13/18 7 80-120 0-20 <br /> Arsenic mg/L 18131114 50.0 48.2 96 12/13/18 50.0 51.5 103 12113/18 7 80-120 0-20 <br /> Barium mg/L 1981114 50,0 47,6 95 12113/18 50.0 51.1 102 12113118 7 80-120 0-20 <br /> Beryllium ingil 1881 114 10.0 9.80 98 I2/13118 lU to's 105 12/13/18 7 80-120 0.20 <br /> Cadmium mg/L 1.881 114 50,0 48,6 97 12/13/18 SU 511 104 12113/18 7 80-120 0-20 <br /> Chromium mWL 1881114 50,0 47,3 95 12/13/18 50,0 50.7 101 12/13/18 7 80-120 0-20 <br /> ('obalt mg/L 101114 50.0 47,8 96 12113/18 50.0 51.1 102 12/13/18 7 80-120 0-20 <br /> Copper mg1L 18131114 50.0 49.3 97 12/13118 50.0 51.4 103 12/13118 6 80-120 0-20 <br /> Lead mg/L ISS1114 50,0 45.7 91 12/13/18 so,o 49,9 98 12113118 7 80-120 0-20 <br /> Molybdenum mg/L 1981114 50.0 48,1 96 12113/18 50.4 51.6 103 12113/18 7 80-120 0-20 <br /> Nickel inp,11. 1831114 50,0 51.1 162 12/13/18 SU 54.4 109 12113118 6 80-120 0-20 <br /> Selenium m&(L 18131114 50.0 4S.3 97 12/13118 50.0 51.6 103 12113/18 7 80-120 0-20 <br /> Silver ing/L 18131114 10.0 9.08 91 12113/18 10.0 9.73 97 12/13/18 7 80-120 0-20 <br /> Thallium mg/L I813II14 50.0 45.1 0 12113/19 50.0 48.0 96 12/13/18 6 80-120 0-20 <br /> Vanadium ing/l, 18B1114 so,o 47,7 95 12113/18 50,0 51,1 102 12113/18 7 80-120 0-20 <br /> Zinc mg/L 1881 114 50.0 51,6 103 12/13/18 50.0 55.2 110 12/13118 7 80-120 0-20 <br /> Page 6 of 15 <br />