Laserfiche WebLink
<br />DESCRIPTIVE STATISTICS GROUND WATER WELL 29.3 CONTINUED <br />JULY 1, 1999 • MARCH 32, 2000 <br /> <br />Parameter m /I) EPA Method TOTAL <br />SAMPLES BELOW <br />DETECTION MAXIMUM <br />VALUE MINIMUM <br />VALUE <br />MEAN VALUE STANDARD <br />DEVIATION <br />Bromide M3001C 9 9 5 0.25 1.50 2.00 <br />Carbon, dissolved or anic M415.1 Combustion 9 0 25 14 19.6 3.6 <br />Cation~Anion Balance% Calculation 9 4 2.5 82.5 ~8.7 27.8 <br />Sum of Anions meq/L 9 0 3760 339 736.67 1133.83 <br />Sum of Cations meq/L 9 0 374 347.5 362.67 7.77 <br />Chloride M325~2 Colorimetric (RFA) 9 0 715 660 681 20 <br />Cond @ 25C (umhos/cm) M120.1 ~ Meter 9 0 24750 21300 24117 1135 <br />Fluoride M340.21SE 9 0 36 6.8 29.8 8.8 <br />Hardness as CaC03 SM2340B ~ Calculation 9 0 75 34.5 49 14 <br />Nitrate as N, dissolved Calculation: N03N02 N02 9 8 1.9 0.01 0.33 0.59 <br />Nitrate/Nitrite as N, dissolved M353.2 Auto Cad Red 9 8 1.9 0.01 0.33 0.59 <br />Nitrite as N, dissolved M353.2 Auto Cad Red 9 7 1 0.005 0.237 0.352 <br />pH (units) M150.lElectrometric 9 0 8.1 7.8 7.9 0.1 <br />Phosphorus, dissolved M365.1 Auto Ascorbic Acid 9 0 1.2 0.13 0.901 0.365 <br />Phosphorus, ortho dissolved M365.1 Auto Ascorbic Acid 9 3 1.165 0.25 0.775 0.400 <br />Total Dissolved Solids M160.1 Gravimetric 9 0 20500 19900 20161 180 <br />Sodium Absorption Ratio in H2O USGS 1173878 9 0 590.5 431 527.94 65.02 <br />Sulfate M375.3 ~ Gravimetric 9 7 50 5 29 21 <br />Sulfide as S SM427C ~ Mod Meth I Blue 9 5 1 0.1 0.22 0.29 <br />TDS (talc) Calculation 9 0 120976 18400 30625 33889 <br />TDS ratio Ratio measured/calculated 9 0 1.08 0.17 0.95 0.29 <br />Temperature De rees C (Field) 9 0 15.3 8.7 11.8 2.3 <br />Gross Alpha Result (pCi/L) M9310 9 2 540 ~ 190 73.7 205.1 <br />Gross Alpha Error (pCi/L) M9310 9 0 270 86 125.7 55.7 <br />p a inimum a ec a e c rvi y <br />(pCi/L) M9310 <br />9 <br />0 <br />160 <br />62 <br />98.7 <br />26.5 <br />Gross Beta Result (pCi/L) M9310 9 1 470 ~61 91.0 159.2 <br />Gross Beta Error (pCi/L) M9310 9 0 160 69 102.8 27.5 <br />e a inlmum a ec a e c rvt y <br />(pCi/L) M9310 <br />9 <br />0 <br />190 <br />91 <br />129.8 <br />29.3 <br /> <br />Analyte concentrations reported below the detection limit are set equal to one half the detection limit for all statistical calculations. <br />