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ArZ Laboratories, Inc. ` ' " <br /> 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 <br /> HCItasca Denver, Inc. ACZ Sample ID: L43406-45 <br /> Project ID: HCT Date Sampled: 01129119 17:00 <br /> Sample ID: AP7-HCT-WEEK43 Date Received: 03128118 <br /> Sample Matrix: Leachate <br /> Metals Analysis <br /> Parameter EPA Method Dilution Result Qual XQ Units MDL PQL Date Analyst:: <br /> Calcium,dissolved M200.71CP 1 0.6 mg/L 0.1 0.5 01/30/19 19:28 dcm <br /> Iron,dissolved M200.7 1CP 1 U mg/L 0.02 0.05 01/31/19 12:20 dcm <br /> Magnesium,dissolved M200.7 ICP 1 U mg/L 0.2 1 01/30/19 19:28 dcm <br /> Soil Analysis <br /> Parameter EPA Method Dilution Result r • Units MDL PQL Date Analyst <br /> Conductivity--Humidity SM2510B 1 10 umhos/cm 1 10 01/28/19 9:07 dbt <br /> Cell Test <br /> End of leach volumes D5744-12 <br /> and mass <br /> Interstitial Weight 1 153 g 01/28/19 0:00 dbt <br /> Leachate Volume 1 1000 mL 01/28/19 0:00 dbt <br /> Added <br /> Leachate Volume 1 887 g 01/28/19 0:00 dbt <br /> Recovered <br /> Oxidation Reduction D1498-08 1 528 my 1 1 01/28/19 9:07 dbt <br /> Potential(Eh) <br /> pH,Humidity Cell Test M9045D/M9040C <br /> pH 1 5.9 units 0.1 0.1 01/28/19 0:00 dbt <br /> pH measured at 1 21.1 C 0.1 0.1 01/28/19 0:00 dbt <br /> Wet Chemistry <br /> Parameter EPA Method Dilution Result Qual e Units MDL PQL Date Analyst <br /> Acidity as CaCO3 SM231OB-Titration 1 U mg/L 10 20 02/05/19 10:36 kja <br /> Alkalinity as CaCO3 SM2320B-Titration <br /> Bicarbonate as 1 U * mg/L 2 20 02/01/19 0:00 enb <br /> CaCO3 <br /> Carbonate as CaCO3 1 U mg/L 2 20 02/01/19 0:00 enb <br /> Hydroxide as CaCO3 1 U mg/L 2 20 02/01/19 0:00 enb <br /> Total Alkalinity 1 U mg/L 2 20 02/01/19 0:00 enb <br /> Sulfate D516-02/-07-Turbidimetric 1 1.4 B mg/L 1 5 02/06/19 13:01 wtc <br /> REPIN.02.06.05.01 *Please refer to Qualifier Reports for details. <br /> HCT1902181608 Page 11 of 78 <br />