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: L43411-32 Project ID: HCT Date Sampled: 10130118 17:00 Sample ID: B8-HCT-WEEK30 Date Received: 03/28/18 Sample Matrix: Leachate Soil Analysis MethodParameter EPA Dilution Result Quall XQ Units MDL PQL Date Analyst Conductivity--Humidity SM2510B 1 21 H umhos/cm 1 10 10/29/2108 9:12 dbt Cell Test End of leach volumes D5744-12 and mass Interstitial Weight 1 151 g 10/29/18 0:00 dbt Leachate Volume 1 1000 mL 10/29/18 0:00 dbt Added Leachate Volume 1 906 g 10/29/18 0:00 dbt Recovered Oxidation Reduction D1498-08 1 600 H my 1 1 10/29/2108 9:12 dbt Potential(Eh) pH, Humidity Cell Test M9045D/M9040C pH 1 4.5 units 0.1 0.1 10/29/2108 0:00 dbt pH measured at 1 20.7 C 0.1 0.1 10/29/2108 0:00 dbt Wet Chemistry Pararneter EPA Method Dilution Result Qual XQ Units MDL PQL Date Analyst Acidity as CaCO3 SM2310B-Titration 1 U mg/L 10 20 11/06/18 11:27 kja Alkalinity as CaCO3 SM2320B-Titration Bicarbonate as 1 U mg/L 2 20 11/05/18 0:00 enb CaCO3 Carbonate as CaCO3 1 U mg/L 2 20 11/05/18 0:00 enb Hydroxide as CaCO3 1 U mg/L 2 20 11/05/18 0:00 enb Total Alkalinity 1 U mg/L 2 20 11/05/18 0:00 enb Chloride SM4500CI-E 1 U mg/L 0.5 2 11/04/1814:39 wtc Cyanide,WAD SM4500-CN 1,E- 2.5 U mg/L 0.02 0.05 11/06/18 16:27 ttg Colorimetric w/distillation Fluoride SM450OF-C 1 0.05 B mg/L 0.05 0.3 11/06/1816:40 emk Nitrate/Nitrite as N M353.2-H2SO4 preserved 1 U mg/L 0.02 0.1 11/08/18 0:00 pjb Residue, Filterable SM2540C 1 18 B mg/L 10 20 11/01/18 16:54 nmc (TDS)@180C Sulfate D516-02/-07-Turbidimetric 1 3.4 B mg/L 1 5 11/05/1810:03 rbt REPIN.02.06.05.01 *Please refer to Qualifier Reports for details. HCT1811150946 Page 41 of 75