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CLEARWATER <br /> G R C) U 1' 1 N C <br /> Ell,1101,1111111111 5,1111 5 <br />' • The remainder of the well annulus will be filled with grout consisting of <br /> neat cement or cement/bentonite grout with no more than 3 % bentonite <br />' • Traffic-rated well boxes will be mounted (flush to grade) over the <br /> monitoring wells, and locking well caps will be placed in the top of the <br /> Iwell casings <br /> 2.3 Well Development, Surveying, and Gauging <br /> I The three monitoringwells will be developed no sooner than 72 hours after <br /> P <br /> installation has been completed Well development will be accomplished by <br />' surging and pumping a minimum of 10 well volumes from each well, the <br /> wells will be developed until the groundwater appears clear Groundwater <br /> pH, conductivity, and temperature will be monitored during development, <br />' and samples will be collected after the parameters have stabilized <br /> Groundwater samples will be placed in laboratory-supplied containers, stored <br />' in an ice cooler, and transported to a state-certified laboratory <br /> The top of casing on each monitoring well will be surveyed relative to an <br /> established site datum Water levels will be gauged in each monitoring well <br /> and recorded (water level measurements will be accurate within 0 01 foot) <br /> I2.4 Chemical Analyses of Soil Samples <br /> As described in Section 2 2, soil samples will be collected at five foot intervals <br /> and lithologically described Soil samples collected between 10 feet bgs and <br /> the water table will be submitted to the laboratory for chemical analysis In <br /> addition, at least one saturated soil sample from each boring will be <br /> I chemically analyzed to assess the vertical distribution of residual petroleum <br /> hydrocarbons (Ms Mary Meays of the EHD requested analysis of soil samples <br /> from the saturated zone in a telephone conversation of March 24, 1997 ) Soil <br />' samples collected from the bonngs will be analyzed for <br /> • TPHg (EPA Method 8015) <br />' • BTEX (EPA Method 8020) <br /> • Methyl Cert-butyl ether (MTBE, EPA Method 8020) <br /> 0 TPHd (EPA Method 8015 modified) <br /> • Total oil and grease (TOG, EPA Method 5520) <br /> Lead (DHS-LUFT Method) <br />' C-178 WP 4/97 5 <br />