2019-10-10_HYDROLOGY - M1980244 (17)

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ACZ Laboratories, Inc. ' ' " -a 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 • HCItasca Denver, Inc. ACZ Sample ID: L43408-45 Project ID: HCT Date Sampled: 01129119 17:00 Sample ID: B3-HCT-WEEK43 Date Received: 03/28/18 Sample Matrix: Leachate Metals Analysis Parameter EPA Method Dilution Result sua] XQ Units MDL POL Date Analyst: Calcium,dissolved M200.7 ICP 1 0.8 mg/L 0.1 0.5 01/30/19 19:40 dcm Iron,dissolved M200.7 ICP 1 U mg/L 0.02 0.05 01/31/19 12:32 dcm Magnesium,dissolved M200.7 ICP 1 1.4 * mg/L 0.2 1 01/30/19 19:40 dcm Soil Analysis MethodParameter EPA Dilution Result Qual XQ Units MDL PQL Date Analyst Conductivity--Humidity SM2510B 1 37 umhos/cm 1 10 01/28/19 9:09 dbt Cell Test End of leach volumes D5744-12 and mass Interstitial Weight 1 85 g 01/28/19 0:00 dbt Leachate Volume 1 1000 mL 01/28/19 0:00 dbt Added Leachate Volume 1 920 * 9 01/28/19 0:00 dbt Recovered Oxidation Reduction D1498-08 1 480 * my 1 1 01/28/19 9:09 dbt Potential(Eh) pH, Humidity Cell Test M9045D/M9040C pH 1 6.6 units 0.1 0.1 01/28/19 0:00 dbt pH measured at 1 20.8 * C 0.1 0.1 01/28/19 0:00 dbt Wet Chemistry MethodEPA Dilution Result Qual XQ Units MDL POL Date Analyst Acidity as CaCO3 SM23106-Titration 1 U mg/L 10 20 02/05/19 11:03 kia Alkalinity as CaCO3 SM2320B-Titration Bicarbonate as 1 U mg/L 2 20 02/01/19 0:00 enb CaCO3 Carbonate as CaCO3 1 U mg/L 2 20 02/01/19 0:00 enb Hydroxide as CaCO3 1 U mg/L 2 20 02/01/19 0:00 enb Total Alkalinity 1 U mg/L 2 20 02/01/19 0:00 enb Sulfate D516-02/-07-Turbidimetric 1 10.6 mg/L 1 5 02/06/19 13:01 wtc REPIN.02.06.05.01 *Please refer to Qualifier Reports for details. HCT1902181608 Page 23 of 78