2019-10-10_HYDROLOGY - M1980244 (20)

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ACZ Laboratories, Inc. 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 HCItasca Denver, Inc. ACZ Sample ID: L43412-18 Project ID: Date Sampled: 07124118 17:00 Sample ID: B12-HCT-WEEK16 Date Received: 03128118 Sample Matrix: Leachate Metals Analysis MethodParameter EPA Dilution Result Qual XQ Units MDL •Q Date Analyst Calcium,dissolved M200.7 ICP 1 1.4 mg/L 0.1 0.5 07/25/18 13:09 aeh Iron,dissolved M200.7 ICP 1 0.04 B mg/L 0.02 0.05 07/25/18 13:09 aeh Magnesium,dissolved M200.7 ICP 1 U mg/L 0.2 1 07/25/18 13:09 aeh Soil Analysis MethodParameter EPA DilutionPQL Date Conductivity—Humidity SM2510B 1 37.5 umhos/cm 1 10 07123/1813:34 dbt Cell Test End of leach volumes D5744-12 and mass Interstitial Weight 1 154 * g 07/23/18 0:00 dbt Leachate Volume 1 1000 * mL 07/23/18 0:00 dbt Added Leachate Volume 1 928 * g 07/23/18 0:00 dbt Recovered Oxidation Reduction D1498-08 1 386 * my 1 1 07/23/18 14:10 dbt Potential(Eh) pH, Humidity Cell Test M9045D/M9040C pH 1 4.6 units 0.1 0.1 07/23/18 0:00 dbt pH measured at 1 21.9 C 0.1 0.1 07/23/18 0:00 dbt Wet Chemistry MethodPararneter EPA Dilution Result Qual XQ Units MDL •Q D. Acidity as CaCO3 SM2310B-Titration 1 U * mg/L 10 20 07/31/18 10:19 oah Alkalinity as CaCO3 SM2320B-Titration Bicarbonate as 1 U mg/L 2 20 07/30/18 0:00 emk CaCO3 Carbonate as CaCO3 1 U * mg/L 2 20 07/30/18 0:00 emk Hydroxide as CaCO3 1 U mg/L 2 20 07/30/18 0:00 emk Total Alkalinity 1 U * mg/L 2 20 07/30/18 0:00 emk Sulfate D516-02/-07-Turbidimetric 1 9.3 * mg/L 1 5 08/01/18 11:04 las REPIN.02.06.05.01 `Please refer to Qualifier Reports for details.