2019-10-10_HYDROLOGY - M1980244 (16)

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AraZ Laboratories, Inc. 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 HCitasca Denver, Inc. ACZ Sample ID: L43417-31 Project ID: HCT Date Sampled: 10123118 17:00 Sample ID: PP6-HCT-WEEK29 Date Received: 03/28/18 Sample Matrix: Leachate Metals Analysis Parameter EPA Method Dilution Result Qual XQ Units --,-Date Analyst Calcium,dissolved M200.7 ICP 1 9.8 mg/L 0.1 0.5 10/31/18 16:05 aeh Iron,dissolved M200.7 ICP 1 0.33 ' mg/L 0.02 0.05 10/31/18 16:05 aeh Magnesium,dissolved M200.7 ICP 1 3.1 mg/L 0.2 1 10/31/18 16:05 aeh Soil Analysis Parameter EPA .d r r •� r. Conductivity—Humidity SM2510B 1 188 * umhos/cm 1 10 10/22/18 9:19 dbt Cell Test End of leach volumes D5744-12 and mass Interstitial Weight 1 191 g 10/22/18 0:00 dbt Leachate Volume 1 1000 ' mL 10/22/18 0:00 dbt Added Leachate Volume 1 883 g 10/22/18 0:00 dbt Recovered Oxidation Reduction D1498-08 1 436 ' my 1 1 10/22/18 9:19 dbt Potential(Eh) pH, Humidity Cell Test M9045D/M9040C pH 1 4.2 units 0.1 0.1 10/22/18 0:00 dbt pH measured at 1 20.2 C 0.1 0.1 10/22/18 0:00 dbt Wet Chemistry Parameter EPA .d r r --PQL Date Analyst Acidity as CaCO3 SM2310B-Titration 1 34 * mg/L 10 20 10/26/18 14:46 mh Alkalinity as CaCO3 SM2320B-Titration Bicarbonate as 1 U mg/L 2 20 10/29/18 0:00 enb CaCO3 Carbonate as CaCO3 1 U * mg/L 2 20 10/29/18 0:00 enb Hydroxide as CaCO3 1 U mg/L 2 20 10/29/18 0:00 enb Total Alkalinity 1 U mg/L 2 20 10/29/18 0:00 enb Sulfate D516-02/-07-Turbidimetric 5 64.9 mg/L 5 25 10/26/18 13:51 wtc REPIN.02.06.05.01 *Please refer to Qualifier Reports for details. HCT1 811150946 Page 74 of 75