2019-10-10_HYDROLOGY - M1980244 (17)

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AC Laboratories, Inc. 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 HCItasca Denver, Inc. ACZ Sample ID: L43406-49 Project ID: HCT Date Sampled: 02/26/19 17:00 Sample ID: AP7-HCT-WEEK47 Date Received: 03/28/18 Sample Matrix: Leachate Metals Analysis Parameter EPA Method Dilution Result Qual XQ Units MDL PQL Date Analyst Calcium,dissolved M200.7 ICP 1 0.6 mg/L 0.1 0.5 03/01/19 11:37 dcm Iron,dissolved M200.7 ICP 1 U * mg/L 0.02 0.05 03/01/19 11:37 dcm Magnesium,dissolved M200.7 ICP 1 U * mg/L 0.2 1 03/01/19 11:37 dcm Soil Analysis Methodi:Parameter EPA Dilution Result Qual XQ Units MDL PQL Date Analyst: Conductivity--Humidity SM2510B 1 10 umhos/cm 1 10 02/25/19 9:07 dbt Cell Test End of leach volumes D5744-12 and mass Interstitial Weight 1 186 g 02/25/19 0:00 dbt Leachate Volume 1 1000 mL 02/25/19 0:00 dbt Added Leachate Volume 1 849 g 02/25/19 0:00 dbt Recovered Oxidation Reduction D1498-08 1 498 my 1 1 02/25/19 9:07 dbt Potential(Eh) pH,Humidity Cell Test M9045D/M9040C pH 1 5.9 units 0.1 0.1 02/25/19 0:00 dbt pH measured at 1 21.0 C 0.1 0.1 02/25/19 0:00 dbt Wet Chemistry :,Parameter EPA-Method Dilution Result Qual XQ Units MDL POL Date Analys Acidity as CaCO3 SM2310B-Titration 1 U mg/L 10 20 03/02/19 12:54 kja Alkalinity as CaCO3 SM2320B-Titration Bicarbonate as 1 2.6 B mg/L 2 20 03/01/19 0:00 mh CaCO3 Carbonate as CaCO3 1 U mg/L 2 20 03/01/19 0:00 mh Hydroxide as CaCO3 1 U mg/L 2 20 03/01/19 0:00 mh Total Alkalinity 1 2.6 B mg/L 2 20 03/01/19 0:00 mh Sulfate D516-02/-07-Turbidimetric 1 1.1 B mg/L 1 5 02/27/19 16:08 wtc REPIN.02.06.05.01 *Please refer to Qualifier Reports for details. HCT1903191337 Page 8 of 52