2019-10-10_HYDROLOGY - M1980244 (18)

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ADZ Laboratories, Inc. ` ' • F 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 HCItasca Denver, Inc. ACZ Sample ID: L43412-06 Project ID: Date Sampled: 05101118 17:00 Sample ID: B12-HCT-WEEK 4 Date Received: 03/28/18 Sample Matrix: Leachate Metals Analysis Parameter EPA Method Dilution Result Qual XQ Units MDL PQL Date Analyst Calcium,dissolved M200.71CP 1 5.4 mg/L 0.1 0.5 05/03/18 23:21 aeh Iron,dissolved M200.7 ICP 1 0.12 mg/L 0.02 0.05 05/03/18 23:21 aeh Magnesium,dissolved M200.7 ICP 1 1.3 mg/L 0.2 1 05/03/18 23:21 aeh Soil Analysis MethodParameter EPA Dilution Result Qua[ XQ Units MDL PQL Date Analyst Conductivity—Humidity SM2510B 1 92.2 umhos/cm 1 10 04/30/1813:34 dbt Cell Test End of leach volumes D5744-12 and mass Interstitial Weight 1 147 ' g 04/30/18 0:00 dbt Leachate Volume 1 1000 ' mL 04/30/18 0:00 dbt Added Leachate Volume 1 873 ' g 04/30/18 0:00 dbt Recovered Oxidation Reduction D1498-08 1 388 my 1 1 04/30/18 14:10 dbt Potential(Eh) pH, Humidity Cell Test M9045D/M9040C pH 1 4.4 units 0.1 0.1 04/30/18 0:00 dbt pH measured at 1 21.6 C 0.1 0.1 04/30/18 0:00 dbt Wet Chemistry MethodParameter EPA Dilution Result----Qual--XQ Units MDL---- •Q ate Analyst Acidity as CaCO3 SM231 OB-Titration 1 10 B mg/L 10 20 05/08/18 13:24 mh Alkalinity as CaCO3 SM2320B-Titration Bicarbonate as 1 U mg/L 2 20 05/03/18 0:00 emk CaCO3 Carbonate as CaCO3 1 U mg/L 2 20 05/03/18 0:00 emk Hydroxide as CaCO3 1 U mg/L 2 20 05/03/18 0:00 emk Total Alkalinity 1 U mg/L 2 20 05/03/18 0:00 emk Sulfate D516-02/-07-Turbidimetric 1 31.8 mg/L 1 5 05/04/18 11:18 jmm REPIN.02.06.05.01 'Please refer to Qualifier Reports for details.