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October 1, 2004 <br /> NOA Project Number: LE03-034 <br /> 6.5 Water Sample Field Tests <br /> The following field tests will be performed on a representative ground water sample <br /> taken from each of the monitoring wells: <br /> • Temperature <br /> • Conductivity <br /> • pH <br /> • Water Level <br /> 6.6 Water Sample Laboratory Tests <br /> Water samples will be transported to a California state certified analytical laboratory <br /> where the following Environmental Protection Agency (EPA) tests will be performed: <br /> Conventional Chemistry Parameters by APHA/EPA Methods <br /> est Parameter DLR Unit Method <br /> Total Alkalin 1.00 mg/ EPA 310.1 <br /> f Carbonate Alkalin 1.00 mg/ EPA 310.1 <br /> Bicarbonate Alkalin 1.00 mg/ EPA 310.1 <br /> Hydroxide Alkalinity 1.00 mg/ EPA 310.1 <br /> Calcium 1.0 mg/ EPA 200.7 <br /> Chloride 1.00 mg/ EPA 300.0 <br /> Specific Conductance C 1.00 umhos/cm EPA120.1 <br /> Fluoride 1.00 mg/L mg/LEPA 300.0 <br /> Hardness as CaCO3 6.6 mg/ Calc. <br /> Total Cations 0.20 mcq/ Calc. <br /> Total Anions 0.226 meq/ Calc. <br /> Potassium 1.0 mg/ EPA 200.7 <br /> Methylene Blue Active Substances 0.0500 mg/L mg/LEPA 425.1 <br /> ' <br /> Magnesium 1.0 mg/IA mg/IAEPA 200.7 <br /> Sodium 1.0 m / EPA 200.7 <br /> Nitrate as NO3 1.00 m / EPA 300.0 <br /> Nitrate as NO2 0.200 m / EPA 300.0 <br /> H H unit EPA 150.1 <br /> Phosphate 0.100 m / EPA 300.0 <br /> Total Dissolved Solids 1.00 m / EPA 160.1 <br /> Sulfate as SO4 1.00 mg/ EPA 300.0 <br /> Metals by EPA200 Series Methods <br /> Silica(SiO2) 0.200 mg/IA mg/IAEPA 200.7 <br /> Metalsrinkin Water b EPA 200 Series Methods <br /> Boron 100Ug/11 EPA 200.7 <br /> 9 <br />