2019-10-10_HYDROLOGY - M1980244 (17)

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ADZ Laboratories, Inc. 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 HCItasca Denver, Inc. ACZ Sample ID: L43407-48 Project ID: HCT Date Sampled: 02119119 17:00 Sample ID: B2-HCT-WEEK46 Date Received: 03/28/18 Sample Matrix: Leachate Metals Analysis Method Dilution Result Qual X0 Units MDLPOL Date Analyst Calcium,dissolved M200.7 ICP 1 3.3 mg/L 0.1 0.5 02/21/19 22:07 aeh Iron,dissolved M200.7 ICP 1 U mg/L 0.02 0.05 02/21/19 22:07 aeh Magnesium,dissolved M200.7 ICP 1 1.0 mg/L 0.2 1 02/21/19 22:07 aeh Soil Analysis Parameter EPA Method Dilution Result Qual XQ Units MDLPQL Date Analyst Conductivity—Humidity SM2510B 1 32 umhos/cm 1 10 02/18/19 9:08 dbt Cell Test End of leach volumes D5744-12 and mass Interstitial Weight 1 117 g 02/18/19 0:00 dbt Leachate Volume 1 1000 mL 02/18/19 0:00 dbt Added Leachate Volume 1 905 g 02/18/19 0:00 dbt Recovered Oxidation Reduction D1498-08 1 497 my 1 1 02/18/19 9:08 dbt Potential(Eh) pH,Humidity Cell Test M9045D/M9040C pH 1 7.4 units 0.1 0.1 02/18/19 0:00 dbt pH measured at 1 20.7 C 0.1 0.1 02/18/19 0:00 dbt Wet Chemistry ,Parameter EPA Method Dilution Result Qual XQ Units MOL POL Date Analyst: Acidity as CaCO3 SM2310B-Titration 1 U mg/L 10 20 02/22/19 10:43 emk Alkalinity as CaCO3 SM2320B-Titration Bicarbonate as 1 7.9 B mg/L 2 20 02/21/19 0:00 emk CaCO3 Carbonate as CaCO3 1 U * mg/L 2 20 02/21/19 0:00 emk Hydroxide as CaCO3 1 U mg/L 2 20 02/21/19 0:00 emk Total Alkalinity 1 7.9 B mg/L 2 20 02/21/19 0:00 emk Sulfate D516-02/-07-Turbidimetric 1 4.7 B mg/L 1 5 02/22/19 11:47 wtc REPIN.02.06.05.01 *Please refer to Qualifier Reports for details. HCT1903191337 Page 11 of 52