2019-10-10_HYDROLOGY - M1980244 (21)

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ACZ Laboratories, Inc. 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 • HCltasca Denver, Inc. ACZ Sample ID: L43417-55 Project ID: HCT Date Sampled: 04116119 17:00 Sample ID: PP6-HCT-WEEK53 Date Received: 03/28/18 Sample Matrix: Leachate Metals Analysis MethodParameter EPA Dilution Result Qual XQ Units MDIL POL Date Analyst Calcium,dissolved M200.7 ICP 1 8.7 mg/L 0.1 0.5 04/17/19 18:30 dcm Iron,dissolved M200.7 ICP 1 2.45 mg/L 0.03 0.08 04/17/19 18:30 dcm Magnesium,dissolved M200.7 ICP 1 7.9 mg/L 0.2 1 04/17/19 18:30 dcm Soil Analysis MethodEPA Dilution Result Qual XQ Units MDL PQIL Date Analyst Conductivity—Humidity SM2510B 1 297 umhos/cm 1 10 04/15/1919 9:19 dbt Cell Test End of leach volumes D5744-12 and mass Interstitial Weight 1 137 g 04/15/19 0:00 dbt Leachate Volume 1 1000 mL 04/15/19 0:00 dbt Added Leachate Volume 1 904 g 04/15/19 0:00 dbt Recovered Oxidation Reduction D1498-08 1 440 my 1 1 04/15/1919 9:19 dbt Potential(Eh) pH, Humidity Cell Test M9045D/M9040C pH 1 3.6 * units 0.1 0.1 04/15/1919 0:00 dbt pH measured at 1 21.5 * C 0.1 0.1 04/15/1919 0:00 dbt Wet Chemistry MethodiParameter EPA e • Units MDL PQL Date Analyst Acidity as CaCO3 SM231 OB-Titration 1 38 * mg/L 12 20 04/23/19 10:50 emk Alkalinity as CaCO3 SM2320B-Titration Bicarbonate as 1 U * mg/L 10 20 04/22/19 0:00 enb CaCO3 Carbonate as CaCO3 1 U mg/L 10 20 04/22/19 0:00 enb Hydroxide as CaCO3 1 U mg/L 10 20 04/22/19 0:00 enb Total Alkalinity 1 U mg/L 10 20 04/22/19 0:00 enb Sulfate D516-02/-07-Turbidimetric 5 97.4 mg/L 5 25 04/24/19 14:52 ttg REPIN.02.06.05.01 *Please refer to Qualifier Reports for details. HCT1904301601 Page 91 of 91