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• III. PLAN FOR DETERMINING GROUNDWATER CONTAMINATION . . . . . . . . . . . . <br /> A. PLACEMENT OF MONITORING WELLS 6 <br /> B. DRILLING METHOD FOR MONITORING WELLS . . . . . . . . . . . . . . . . . . 7 <br /> C. GROUNDWATER SAMPLING PLAN 7 <br /> I. WATER LEVEL MEASUREMENT,GROUNDWATER ELEVATION, <br /> GRADIENT & FLOW DIRECTION . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> 2. DISPOSAL OF EXCESS GROUNDWATER 7 <br /> 3. WATER SAMPLE COLLECTION PROTOCOL . . . . . . . . . . . . . . . . 8 <br /> 4. COMPOUNDS AND ANALYTICAL METHODS 8 <br /> IV. QUALITY ASSURANCE/QUALITY CONTROL 8 <br /> A. SAMPLE CONTAINERS AND PRESERVATIVES 9 <br /> B. CHAIN OF CUSTODY, SAMPLE IDENTIFICATION, AND SITE SAFETY <br /> PLAN 9 <br /> . . . . . . . . . . . . . . . . . . . . . . <br /> 1. SAMPLE IDENTIFICATION 9 <br /> 2. CHAIN OF CUSTODY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 <br /> 3. SITE SAFETY PLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 <br /> APPENDIX A - MAPS <br /> APPENDIX B - SITE SAFETY PLAN <br /> ERICKSON, Inc. <br /> Specialized Service to Industry Since 1942 <br />