2019-10-10_HYDROLOGY - M1980244 (20)

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AraZ Laboratories, Inc. 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 HCItasca Denver, Inc. ACZ Sample ID: L43416-16 Project ID: Date Sampled: 07110118 17:00 Sample ID: PP4-HCT-WEEK14 Date Received: 03128118 Sample Matrix: Leachate Metals Analysis 'Parameter EPA Method Dilution Result Qual XQ Units MDL PQL Date Analyst Calcium,dissolved M200.7 ICP 1 2.2 mg/L 0.1 0.5 07/11/18 21:25 aeh Iron,dissolved M200.7 ICP 1 0.03 B * mg/L 0.02 0.05 07/11/18 21:25 aeh Magnesium,dissolved M200.7 ICP 1 0.4 B * mg/L 0.2 1 07/11/18 21:25 aeh Soil Analysis MethodParameter EPA Date Analyst Conductivity—Humidity SM2510B 1 27.7 umhos/cm 1 10 07/09/1815:51 dbt Cell Test End of leach volumes D5744-12 and mass Interstitial Weight 1 183 g 07/09/18 0:00 dbt Leachate Volume 1 1000 mL 07/09/18 0:00 dbt Added Leachate Volume 1 961 * g 07/09/18 0:00 dbt Recovered Oxidation Reduction D1498-08 1 310 my 1 1 07/09/18 16:03 dbt Potential(Eh) pH,Humidity Cell Test M9045D/M9040C pH 1 6.1 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 MDL PQL Date Analyst, Acidity as CaCO3 SM2310B-Titration 1 U mg/L 10 20 07/17/18 12:38 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 1 1.8 B mg/L 1 5 08/01/18 12:13 las REPIN.02.06.05.01 'Please refer to Qualifier Reports for details.