Laserfiche WebLink
Table 2 <br /> March 2019 Field and Analytical Results <br /> Holcim (US) Inc. <br /> Florence, Colorado <br /> Analyte March 2019 Analytical Results <br /> Field Parameters Units NPLs MW-7 MW-12 MW-12 DUP MW-13 NPLs <br /> pH _ std. units 6.5-8.5a 7.86 6.86 -- 7.01 NA <br /> Specific Conductivity mS/cm NA 2.077 3.872 -- 4.016 NA <br /> Temperature °C NA 14.60 14.20 -- 14.30 NA <br /> Laboratory Results <br /> Total dissolved solids mg/L 3918 948 3820 3780 3900 4026 <br /> Sulfate m /L 2080 95 2020 2020 2000 2200 <br /> Iron(total) mg/L 4.5 9.03 5.55 7.4 12 NA <br /> Iron(dissolved) mg/L NA 0.05 0.22 0.26 0.05 J 0.13 <br /> Manganese(dissolved) mg/L 0.88 U 0.56 0.55 U 0.3 <br /> Potassium(dissolved) mg/L 17 6.7 13 13.0 8.7 13 <br /> Sodium(dissolved) mg/L NA 259 150 150 242 NA <br /> K:Na ratio mg/L 0.5 0.026 0.087 0.087 0.036 0.5 <br /> Notes: <br /> NPLs-numeric protection levels issued by Division of Reclamation,Mining and Safety <br /> Bolded values-NPL exceeded <br /> '-Sodium was removed as a groundwater quality parameter and replaced with a potassium to sodium(K:Na)ratio per Division of Reclamation, <br /> Mining and Safety approval letter dated February 25,2015. <br /> K-potassium <br /> Na-sodium <br /> J-Analyte concentration detected at a value between MDL and PQL.The associated value is an estimated quantity. <br /> NA-Not applicable. <br /> U-The material was analyzed for,but was not detected above the level of the associated value.The associated value is either the sample quantitation limit or the sample detection limit. <br /> 'MCL source:Table 2 Secondary Drinking Water Standards,Regulation 41. <br /> MCL-Maximum concentration limit. <br /> MDL-Method Detection Limit <br /> PQL-Practical Quantitation Limit <br /> Page 1 of 1 <br />