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GEOM/.TRIX <br /> QUALITY ASSURANCE PROJECT PLAN(Short Form) <br /> 1.0 PROJECT NAME: Corrective Action Work Plan Lathrop Facility, San Joaquin County, <br /> California <br /> 2.0 PROJECT NO.: 6741.005 <br /> 3.0 DATE: June 23, 2005 NAME OF PREPARER: Donald A. Kubik Jr. <br /> 4.0 PROJECT MANAGER: Donald A. Kubik Jr. <br /> 5.0 PROJECT QA OFFICER: to be determined <br /> 6.0 SAMPLE TYPES (matrices), SAMPLING SCHEDULE, and ANALYTICAL <br /> METHODS: Groundwater samples will be analyzed as shown in the table below. <br /> Constituent Method F Constituent Method <br /> Total Dissolved Solids EPA 160.1 Sodium EPA 200.7 <br /> Ammonia EPA 350.1 Sulfate EPA 300.0 <br /> Bicarbonate SM 2320B Sulfolane APPL Method <br /> Carbonate SM 2320B Ethylene Dibromide(EDB) EPA 504.1 <br /> Calcium EPA 200.7 1,2dibromo-3-chloro ro ane DBCP EPA 504.1 <br /> Chloride EPA 300.0 Total Alkalinity SM 2320B <br /> Magnesium EPA 200.7 Dissolved Manganese EPA 200.7 <br /> Nitrate as N EPA 300.0 Dissolved Iron EPA 200.7 <br /> Phosphate EPA 300.0 11 Dissolved Organic Carbon I EPA 415.1 <br /> 7.0 GEOMATRIX PROTOCOLS TO BE FOLLOWED (attached): Sampling of <br /> Groundwater Monitoring Wells and Water Supply Wells Aquifer Testing,Discrete-Depth <br /> Sampling; and Cone Penetrometer Testing. <br /> 8.0 QUALITY ASSURANCE GOALS <br /> .8.1 Field Measurements: <br /> Parameter Precision Goal Accuracy Completion <br /> Goal Goal <br /> Temperature(°C) t 0.1°C to f 0.4°C na 90% <br /> H H units f 0.1 unit na 90% <br /> Electrical Conductivi mhos/cm) f 100µmhos/cm na 90% <br /> Water Level f 0.01 foot na 90% <br /> I A6000s\6741.000\Archi ve\6741-15.DOC A-1 <br />