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C4 20,. :k:i0 1 L6:122' 510791 306 EPI13EI-I PAGE 07 <br /> approximately 150 feet along the rear fence, then approximately <br /> 120 feet southerly to East Main Street and then approximately 160 <br /> feet Qast.erly to the NW Corner of the intersection of Ora and <br /> Main Streets. Figure 1 is a site location map. <br /> The fallowing proposal is based on. the UST removal report (June <br />` 6, 1995 ) from the site . The prior Phase II Report from JPCA and <br /> the above identified letters from SJCEHD to you, dated December <br /> 5 , 2001 and March 8 , 2001 . <br /> Prior work indicated no or minimum .levels of hydrocarbon <br /> 'contamination in both the soil and groundwater at the MW-5 <br /> location. The contamination appears to be on the south and east <br /> portion of the subject site . <br /> I <br /> If the groundwater in the aquifer is contaminated then the soil <br /> in the aquifer will be contaminated from the contaminated water. <br /> Based on prior work, the calculated gradient varies but is <br /> generally south easterly. <br /> The properties in the area within a 2 , 000 foot radius surrounding <br /> , the subject site are all reported to be on city water. <br /> ADDIU NAL_CHARA.rTERIZATIgN <br /> F <br /> The tollovring tasks will be utilized to investigate and determi.ne <br /> the vertical and lateral extent of the contaminated plume in the <br /> soil . <br /> k ,Task <br /> JPCA will measure the groundwater depth in the five existing:.' <br /> monitoring wells with an electronic probe prior to purging. The <br /> . gradient will be calculated for the site based on depth to water <br /> data collected and surveyed top of the casing elevations . <br /> Task2_ <br /> One groundwater sample will be collected from each monitoring <br /> :well , after the wells are purged and, allowed to recharge . A <br /> clean dedicated bailer will be used to obtain the samples, then <br /> the samples will be placed. ,in four 40 ml VOAs with Teflon septa <br /> % and a one liter glass sampling bottle, labeled, held in a cooled <br /> (4 Degrees C) ice chest and transported to a State Certified <br /> Laboratory, under COC documentation, for analyses . <br /> A well water sample will be collected from the nearest down <br /> gradient well , Provided that: the owner of the down gradient well <br /> ' allow a .Tann P. Cummings or his agent to collect such a sample. <br /> 2 <br />