Laserfiche WebLink
• • <br />DESCRIPTIVE STATISTICS GROUND WAT€R WELL 29-4A CONTINUED <br />JULY 1, 1999 -JUNE 30, 2000 <br /> <br />Parameter (mg/I) EPA Method TOTAL <br />SAMPLES BELOW <br />DETECTION MAXIMUM <br />VALUE MINIMUM <br />VALUE <br />MEAN VALUE STANDARD <br />DEVIATION <br />Bromide M3001C t2 12 5 0.05 2.15 2.20 <br />Carbon, dissolved organic M415.1 Combustion 12 0 45 9 17.0 9.6 <br />Cation-Anion Balance % Calculation 12 4 8.3 -2.7 1.6 3.5 <br />Sum of Anions meq/L 11 0 291 0 190.00 71.70 <br />Sum of Cations meq/L 11 0 344 0 196.25 81.02 <br />Chloride M325-2 Colorimetric (RFA) 11 0 3280 0 2063 825 <br />Cvnd @ 25C (umhos/cm) M120.1 -Meter 12 0 37100 10800 17908 7253 <br />Fluoride M340.21SE 11 0 22.6 0 14.6 5.7 <br />Hardness as CaC03 SM2340B -Calculation 12 0 84 41 57 12 <br />Nitrate as N, dissolved Calculation: N03N02-N02 12 11 0.2 0.01 0.12 0.07 <br />Nitrate/Nitrite as N, dissolved M353.2 Auto Cad Red 12 10 0.2 0.01 0.11 0.07 <br />Nitrite as N, dissolved M353.2 Aulo Cad Red 12 12 0.1 0.005 0.051 0.034 <br />pH (units) M150.1 Electrometric 12 0 8.5 7.3 8.2 0.3 <br />Phosphorus, dissolved M365.1 Aulo Ascorbic Acid 12 0 1.5 0.065 0.660 0.373 <br />Phosphorus, ortho dissolved M365.1 Auto Ascorbic Acid 12 0 2 0.30125 0.891 0.455 <br />Total Dissolved Solids M160.1 -Gravimetric 12 0 40000 7320 14985 8411 <br />Sodium Absorption Ratio in H2O USGS 11738-7a 12 0 753 187 325.58 145.80 <br />Sulfate M375.3 -Gravimetric 12 1 300 30 59 76 <br />Sulfde as S SM427C -Mod Methyl Blue 12 2 5.5 0.01 2.41 1.75 <br />TDS (talc) Calculation 12 0 36000 6730 13603 7458 <br />TDS ratio Ratio - measuretl/calculated 11 0 1.265 0 1.01 0.33 <br />Temperature Degrees C (Field) 12 0 17.4 9.6 12.8 2.3 <br />Gross Alpha Result (pCi/L) M9310 12 2 220 -29 34.9 67.1 <br />Gross Alpha Error (pCUL) M9310 12 0 250 3.8 88.1 65.0 <br />Alpha Minimum Detectable <br />Activity (pCi/L) Mg31o <br />12 <br />0 <br />220 <br />3.2 <br />65.8 <br />55.9 <br />Gross Beta Result (pCilL) M9310 12 2 280 -49 43.1 88.4 <br />Gross Beta Error (pCi/L) M9310 12 0 270 3.2 74.5 69.9 <br />Beta Minimum Detectable <br />Activity (pCiIL) Ms31o <br />12 <br />0 <br />360 <br />4.5 <br />93.4 <br />91.5 <br /> <br />Analyte concentrations reported below the detection limit are set equal to one half the detection limit for all statistical calculations. <br />