2019-10-10_HYDROLOGY - M1980244 (18)

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AraZ Laboratories, Inc. 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 HCItasca Denver, Inc. ACZ Sample ID: L43413-06 Project ID: Date Sampled: 05/01/18 17:00 Sample ID: 12-HCT-WEEK 4 Date Received: 03/28/18 Sample Matrix: Leachate Metals Analysis Parameter EPA Method Dilution Result Qual XQ Units MDLPQL Date Analyst Calcium,dissolved M200.7 ICP 1 2.5 mg/L 0.1 0.5 05/03/18 23:24 aeh Iron,dissolved M200.7 ICP 1 0.27 mg/L 0.02 0.05 05/03/18 23:24 aeh Magnesium,dissolved M200.7 ICP 1 4.4 * mg/L 0.2 1 05/03/18 23:24 aeh Soil Analysis Parameter EPA Method Dilution Result Qual XQ Units MDLPQL Date Analyst Conductivity—Humidity SM2510B 1 138 umhos/cm 1 10 04/30/1814:08 dbt Cell Test End of leach volumes D5744-12 and mass Interstitial Weight 1 148 * g 04/30/18 0:00 dbt Leachate Volume 1 1000 * mL 04/30/18 0:00 dbt Added Leachate Volume 1 879 g 04/30/18 0:00 dbt Recovered Oxidation Reduction D1498-08 1 365 my 1 1 04/30/18 14:38 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 Parameter EPA Method Dilution Result Qual X0 Units MDL PQL Date Analyst Acidity as CaCO3 SM2310B-Titration 1 18 B mg/L 10 20 05/08/18 13:39 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 5 45.6 mg/L 5 25 05/04/18 10:48 jmm REPIN.02.06.05.01 *Please refer to Qualifier Reports for details.