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`�r "`'T �`` alyucal Results of'Tank Removal Soil S P <br /> - _ - - ... � .:.. ,. _ . Aa <br /> June 15, 1987 <br /> (mg/kg) <br /> Total Volatile <br /> Petroleum Xylene Toluene <br /> Sample I.D. Hydrocarbons Benzene Y <br /> ND 13 � NDRFS-1 6.9 4 <br /> RFS-2 IS <br /> 0.8 2S ND <br /> RFS-3 1.7 <br /> ND N-D ND <br /> RFS-4 ND <br /> N-D N� ND <br /> ' mg/kg ppm,puts per=002 -- <br /> ND :Not Detected <br /> 23 Groundwater Depth <br /> t"01 and <br /> According to the San Joaquin County Department of �m Wen Fall 990' map, <br /> ter <br /> p'�°r ual Depth to Groundwater <br /> Conservation District "Lines of Eq P <br /> groundwater depth at the site is approximately 20 feet <br /> 3.0 PROPOSED ASSESSMENT <br /> resent in the area o f� feet Two <br /> er <br /> To determine if soil or groundwater contaminations P as to dep <br /> UST's, GeoAudit proposes to drill a total of four (4) soil borin, the other two (�) <br /> Q near tanks 11 and �2 (tank pit #1); <br /> (2) of the boring will be dIillin0 s4 tank Pit Tr2). It is expected that groundwater <br /> borings will be doled near tanks �I and m <br /> encountered while drilling the soil borings. Therefore, one water sample will be <br /> will be it area. If contamination <br /> collected, via hydropunch (or similar methe or ods), <br /> of the so borings may be completed as <br /> is observed in.the water samples, <br /> monitoring wed- The proposed boring locations are Mustrated in Figure 2. <br /> groundwater - <br /> 4.0 SCOPE OF WORK <br /> tails f the reposed drilling and sampling Program are g ven below: <br /> De oP occupational Safety <br /> 1 Prepare a Site Health and Safety Plan�dous rW�e with S Activitiesthe - Prepared by <br /> and Health Guidance Manual for H <br /> 2 <br />