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: L43413-16 Project ID: Date Sampled: 07110118 17:00 Sample ID: I2-HCT-WEEK14 Date Received: 03128118 Sample Matrix: Leachate Metals Analysis MethodParameter EPA Dilution Result Qual XQ Units MDL POL Date Analyst Calcium,dissolved M200.7 ICP 1 1.9 mg/L 0.1 0.5 07/11/18 21:02 aeh Iron,dissolved M200.7 ICP 1 1.10 mg/L 0.02 0.05 07/11/18 21:02 aeh Magnesium,dissolved M200.7 ICP 1 3.1 mg/L 0.2 1 07/11/18 21:02 aeh Soil Analysis MethodParameter EPA Dilution Result Qual XQ Units MDL •Q Date —Analyst'! Conductivity—Humidity SM251013 1 123 * umhos/cm 1 10 07/09/1814:08 dbt Cell Test End of leach volumes D5744-12 and mass Interstitial Weight 1 134 g 07/09/18 0:00 dbt Leachate Volume 1 1000 * mL 07/09/18 0:00 dbt Added Leachate Volume 1 924 g 07/09/18 0:00 dbt Recovered Oxidation Reduction D1498-08 1 359 my 1 1 07/09/18 14:38 dbt Potential(Eh) pH,Humidity Cell Test M9045D/M9040C pH 1 4.3 units 0.1 0.1 07/09/18 0:00 dbt pH measured at 1 22.4 C 0.1 0.1 07/09/18 0:00 dbt Wet Chemistry MethodParameter EPA Dilution Result Qual XQ Units MDLPQL Date Analyst Acidity as CaCO3 SM23106-Titration 1 22 mg/L 10 20 07/17/18 11:49 kja Alkalinity as CaCO3 SM2320B-Titration Bicarbonate as 1 U mg/L 2 20 07/19/18 0:00 emk CaCO3 Carbonate as CaCO3 1 U mg/L 2 20 07/19/18 0:00 emk Hydroxide as CaCO3 1 U mg/L 2 20 07/19/18 0:00 emk Total Alkalinity 1 U * mg/L 2 20 07/19/18 0:00 emk Sulfate D516-02/-07-Turbidimetric 5 38.4 mg/L 5 25 08/01/1811:58 las REPIN.02.06.05.01 "Please refer to Qualifier Reports for details.