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AraZ Laboratories, Inc. <br /> 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 <br /> Resource Engineering, Inc. ACZ Sample ID: L52835-03 <br /> Project ID: 1525-2.0 Date Sampled: 06/26/19 13:15 <br /> Sample ID: GW-4 Date Received: 06/27/19 <br /> Sample Matrix: Groundwater <br /> Wet Chemistry <br /> • w w • �. <br /> Alkalinity as CaCO3 SM2320B-Titration <br /> Bicarbonate as 1 86.2 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 86.2 mg/L 2 20 07/06/19 0.00 kja <br /> Cation-Anion Balance Calculation <br /> Cation-Anion Balance -1 5 % 07/16/19 0:00 calc <br /> Sum of Anions 3.3 meq/L 0711 6/1 9 0.00 calc <br /> Sum of Cations 3.2 meq/L 07/16/19 0:00 calc <br /> Chloride SM4500CI-E 1 223 mg/L 05 2 07/09/19 9:20 rbt <br /> Conductivity @25C SM2510B 1 328 umhos/cm 1 10 07/06/19 16-46 kja <br /> Cyanide,total M335.4-Colorimetric w/distillation 0.5 U * mg/L 0.003 0.01 07/03/19 0:30 pjb <br /> Cyanide,WAD SM4500-CN 1,E- 05 U mg/L 0.003 0.01 07/03/19 15:32 mss2 <br /> Colorimetric w/distillation <br /> Dissolved Chromium, SM3500Cr-B 1 UH mg/L 0.005 0.02 06/27/19 13:40 kja <br /> Hexavalent <br /> Fluoride SM450OF-C 1 0.3 B mg/L 0.1 04 07/02/19 21.58 enb <br /> Hardness as CaCO3 SM2340B-Calculation 138 mg/L 0.2 5 07/16/19 0.00 calc <br /> (dissolved) <br /> Lab Filtration(0 45um SOPWC050 1 06/27/19 13:42 kja <br /> filter) <br /> Nitrate/Nitrite as N M353.2-H2SO4 preserved 1 0.35 mg/L 0.02 0.1 07/06/19 0.38 pjb <br /> Nitrogen,ammonia M350.1 Auto Sallcylate 1 U * mg/L 0.05 0.2 07/02/19 14.15 mss2 <br /> w/gas diffusion <br /> pH(lab) SM4500H+B 1 81 H units 0.1 0.1 07/06/19 16:46 kja <br /> Phosphorus,ortho M365 1-Automated Ascorbic Acid 1 0.02 B mg/L 001 005 06/27/19 22:29 pjb <br /> dissolved <br /> Residue, Filterable SM2540C 1 198 mg/L 20 40 07/01/19 9:59 oah/en <br /> (TDS)@180C b <br /> Residue,Non- sM2540D 1 290 mg/L 5 20 06/28/19 15:18 nmc <br /> Filterable(TSS) <br /> @105C <br /> Sulfate D516-02/-07-Turbidimetric 5 43.3 mg/L 5 25 07/11/1910:58 wtc <br /> Sulfide as S sM450os2-D 1 U mg/L 0.02 01 07/01/19 15:02 emk <br /> REPI N 02 06 05 01 'Please refer to Qualifier Reports for details. <br /> L52835-1907161433 Page 11 of 53 <br />