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'APR-05-04 MON 1225 PM ELL NELSON SCHRIMP FAX NO. 2 fJ26-9320 jVV% P. 04 12(03/2005 17:06 FAY 209 fl1 v:l — KLEINFEtDER SCOP);Ole R 7iask l D permitting and Pre-field Acliviiirs Kleinfeldcr will coordinate with P,11D to obtain necessary boring permits and slenino tip the Master NO Rccord(M['R) for the site prior to condurtbtg field work. 'The San Joaquin County EHI)will require review and approval of the workplan for d,e ptuposed scope of work. Talc 2 o Field Ae i-MM s ADV•4NCEMENT OF PUS11 PROBSS Four(4)push probes will be advanced through the project area to assess Soil at the subject site. The pushprobas will be advanced to depths of approximately 15-25 fad below ground surface ym ndwf if grr groundwater i be collcc encountered at or near the total proposed depil, oh 20 feet, grab samp Kleinfelder will advance on,-pushprobe boring in the former locatior, of Clic ITST at a dcplh of approximately 15-20 f,;& The three remaiting pushdprobe froom 20-will be fret audvanced i a triangular patt:ro around the forracr UST site at varying depths I$, and 20 feet from the tanl:location. The three pushprobes will aid in determining both the vertical and lateral extent of any Possible couta,nination associated with the. former UST. Thr actual sampling locations will be dopcndont on access, surface conditions, and potuaial interference with subsurface or ovc,head utilities. Prior to flee advanecnlent oft the pushp:obcs, the first five fcet will be hand-angered to assess potential underground utilities. PushprobUs will be advanced using a pneumatically driven Steel probe, Soil samples will be obtainod by insetting a samplo barrel,lined with acetate liners,into the probe. Tho sample barrel will be lowered to rho desired sampling depth and driven into the soil. the svttple tubes will be removed and scaled with Teflon film and plastic fitting end caps. Soil samples will be collected continuously during the advancement of the pushprobcs at depths ranging from 5-feet to the proposed maximum depth of 15-25 feet bgs. Daring ilte advanccmatt of the borings,soil samples trill be Collected at five-foot intervals for lithologic classification and qualitative field le screening with an organic vapor analyzer IOti ole c claThe OVA nicasu ssification ll the based compounds in air in parts per million by volume ipp )• n on the Unified Soil Classification System(USCS)• At this time, we propose to submit thrcc soil samples for quantitative chemical analyses from each sail probe. Sr.mples will be collactcd i a n deo+lis of 15 f?et arm :hc b�"•cm t O sa-nples from aueh ptoba. Actual a_jalysi,racy vary bas•:d on GVA readineb and field eb?Crvarions. oar soil samples collected continuously from 5 to 25 feat b>s. .FZV!L9PLY,I'IV :US2=3'f Pave]�i5 t