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ADZ Laboratories, Inc. <br /> 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 <br /> Resource Engineering, Inc. ACZ Sample ID: L52835-01 <br /> Project ID: 1525-2.0 Date Sampled: 06/26/19 12:00 <br /> Sample ID: GW-2 Date Received: 06/27/19 <br /> Sample Matrix: Groundwater <br /> Wet Chemistry <br /> EPAMethod Dilution Result • • s �. <br /> Alkalinity as CaCO3 SM2320B-Titration <br /> Bicarbonate as 1 165 mg/L 2 20 07/06/19 0.00 kja <br /> CaCO3 <br /> Carbonate as CaCO3 1 U mg/L 2 20 07/06/19 0:00 kja <br /> Hydroxide as CaCO3 1 U mg/L 2 20 07/06/19 0.00 kja <br /> Total Alkalinity 1 165 mg/L 2 20 07/06/19 0:00 kja <br /> Cation-Anion Balance Calculation <br /> Cation-Anion Balance -1 2 % 07/16/19 0-00 calc <br /> Sum of Anions 43 meq/L 07/16/19 0:00 calc <br /> Sum of Cations 4.2 meq/L 07/16/19 0:00 calc <br /> Chloride SM4500CI-E 1 16.0 mg/L 0.5 2 07/09/19 9-20 rbt <br /> Conductivity @25C SM2510B 1 392 umhos/cm 1 10 07/06/19 16.27 kja <br /> Cyanide,total M335 4-Colonmetric w/distillation 0.5 U * mg/L 0 003 0.01 06/28/19 15.23 ttg <br /> Cyanide,WAD SM4500-CN 1,E- 0.5 U mg/L 0.003 0.01 07/03/19 15:28 mss2 <br /> Colorimetric w/distillation <br /> Dissolved Chromium, SM3500Cr-B 1 UH * mg/L 0 005 0.02 06/27/19 13 36 kja <br /> Hexavalent <br /> Fluoride SM450OF-C 1 0.2 B mg/L 0.1 0.4 07/02/19 21:17 enb <br /> Hardness as CaCO3 SM2340B-Calculation 189 mg/L 0.2 5 07/16/19 0:00 calc <br /> (dissolved) <br /> Lab Filtration(0 45um SOPWC050 1 06/27/19 13:31 kja <br /> filter) <br /> Nitrate/Nitrite as N M353.2-H2SO4 preserved 1 1.35 mg/L 0.02 0.1 07/06/19 0:36 pjb <br /> Nitrogen,ammonia M350.1 Auto Salicylate 1 U * mg/L 0.05 0.2 07/02/19 14.09 mss2 <br /> w/gas diffusion <br /> pH(lab) SM4500H+B 1 8.3 H units 01 01 07/06/19 16.27 kja <br /> Phosphorus,ortho M365 1-Automated Ascorbic Acid 1 0.02 B mg/L 0.01 005 06/27/19 22.25 pjb <br /> dissolved <br /> Residue,Filterable SM2540C 1 218 mg/L 20 40 07/01/19 9:50 oah/en <br /> (TDS)@180C b <br /> Residue,Non- SM2540D 1 19.0 B mg/L 5 20 06/28/19 15:14 nmc <br /> Filterable(TSS) <br /> @105C <br /> Sulfate D516-02/-07-Turbidimetric 1 27.7 mg/L 1 5 07/11/1910:36 wtc <br /> Sulfide as S SM4500S2-D 1 U mg/L 0.02 01 07/01/19 14:40 emk <br /> REPIN.02.06.05.01 *Please refer to Qualifier Reports for details. <br /> L52835-1907161433 Page 5 of 53 <br />