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in sealed plastic bags and transported on ice in an air tight cooler At a minimum, the soil <br /> sample collected at the water table interface in each boring will be submitted for laboratory <br /> ' analysis Additional samples may be submitted if field observations indicate soil contamination <br /> Analysis will be conducted for BTEX (EPA method 8020) and TPHG (EPA method 503018015) <br /> ' The samples will be analyzed by a State-certified analytical laboratory All samples will be <br /> collected in accordance with RESNA's Quality Assurance/Quality Control Plan <br /> All drill cuttings will be placed on plastic sheeting, covered with same, and stored on-site <br /> pending laboratory results Water used to clean the augers after drilling each boring will be <br /> collected and stored in 55-gallon drums approved for hazardous liquid storage pending laboratory <br /> ' analysis for disposal <br /> ' The monitoring well will be constructed of 2-inch inside diameter PVC well screen/casing The { <br /> well will be completed as shown on Figure 5 A 0 010-inch well screen slot and #2 or #3 mesh <br /> ' sand pack will be used Neat cement will be used to seal the well, in accordance with California <br /> Water Well Standards (December 1981) To protect the integrity of the well a locking, water- <br /> tight well plug will be installed on the well and a water-tight, locking wellbox labeled <br /> "monitoring well" will be concreted over the well The wells will be developed in accordance <br /> ' with the site Well Development Protocol (Appendix I <br /> ) <br /> ' will be surveyed vertical) and horizontal) to a common <br /> After the installation, the wellheads y y y <br /> ' datum Depth-to-water readings will be used to verify the groundwater flow direction beneath <br /> the project site <br /> GROUNDWATER SAMPLING AND ANALYSIS METHODS <br /> After the monitoring wells have been installed all wells will be monitored for free product <br /> Water samples will then be collected with a teflon bailer after purging a minimum of three well <br /> ' volumes (casing and sandpack) Samples will be collected in glass containers, sealed, labeled <br /> and transported on ice in an air tight cooler The samples will be analyzed by a State-certified <br /> analytical laboratory for BTEX (EPA method 8020) and TPHG (EPA method 503018015). <br /> ' R-021492 LF 7 <br />