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Groundwater Sampling anZ9"Analysis Plan <br /> Former Texaco Service Station <br /> Chevron Site ID 309075 <br /> January 14, 2011 <br /> TABLE OF CONTENTS <br /> i <br /> 1.0 INTRODUCTION........................:........................:.............................................................. 1 <br /> 2.0 BACKGROUND INFORMATION .......................................................................................2 <br /> 2.1 Site History.....................................................................................................................2 <br /> 2.2 Site Geology............................................................................................................. <br /> 2.3 Regional Geology/Hydrogeology...................................................................................2 <br /> 3.0 PROPOSED SCOPE OF WORK......................... ... ..........................3 � <br /> 3.1 Evaluation of TPH-DRO AND TPH-MO detections .......................................................3 <br /> 3.1.1 Methodology....:............ ...................3 <br /> 3.2 Sample IDentification Syntax..................:: :::.........................................................::.....4 <br /> 4.0 MONITORING AND SAMPLING STANDARD PROCEDURES .........................................5 <br /> 4.1 Depth to Groundwater Measurements ...... ...........:....................................................5 <br /> 4.2 Groundwater sample collection methodology........:.......................................................5 <br /> 4.3 Groundwater Sample Containerization/Handling...........................................................5 <br /> 4.4 Equipment Decontamination Procedures....................................... <br /> 5.0 QUALITY ASSURANCE/QUALITY CONTROL ................ .................7 <br /> 5.1 Field Quality Control Checks................ ...............................;.....................................7 <br /> 5.1.1 Rinsate Blank (Equipment Blank) Samples...................................................:.......7. <br /> 5.1.2 Field Duplicates ..........................:.........................................................................7 <br /> 5.1.3 Trip Blank............... .........................................:............................................7 <br /> 5.2 Analytical Laboratory Quality Control Checks .,...............................................................8 <br /> 5.2.1 Method Blanks ......8 <br /> 5.2.2 MS/MSDs................................................:...................:..........................................8 <br /> 5.2.3 -Surrogate Spikes ...........................::.....................................................................8 <br /> 5.3 Sample Packing and Shipping Procedures...................................................................9 <br /> 5.3.1 Sample Labeling ...................................................................................................9 j <br /> 5.3.2 Sample Custody........................:....... ....:.....:........................................................9 <br /> 5.3.3 Packing and Shipping .....::......:..:.: <br /> ..................................:....................................: <br /> .9 <br /> 5.4 Waste Disposal................................:............................................................................9 <br /> 6.0 REPORTING................................................................................................................... 10 <br /> 7.0 SCHEDULE..............:........:..........................:.................................................................. 10 � <br /> I <br /> j <br /> i <br /> \\CA5FP\Data\Aproject\ENV\CHEVRON\309075\6 Deliverables\Work Plan\SAP\309075_SAP_6671110950.doc I <br /> J <br />