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T LJ E 1 4 G E: R R_ Y M I t4 I E"t I _r I H G- <br /> L i=AK OR SPILL INFORMATION <br /> The owner reported that occasional small spills arld <br /> n�.-rr t i l l Ing of trucks and diesel tanks occurred at the %s tr- . NO <br /> inventory reconciliation was kept on the tanks. The tanks were <br /> emplaced in 1957 and were used regularly until 1990. <br /> Thc- gas tank has not been used in several years and was Pept <br /> empty according to Les Calkins. <br /> TANK LAND P I P I NG LAYOUT <br /> All tanks and piping is removed from the site and manifested <br /> to Turlock . Manifests are not available at this time. <br /> SITE TOPOGRAPHY, GEOLOGY AND HYDROLOGY <br /> The site is flat with relief over the entire site less than <br /> The site is underlain by Quaternary alluvial flood basin <br /> sequences of sand , sandy clay and gravel of the San Joaquin <br /> Valley . <br /> Geologic -examination of the tank pit shows an 8 foot bank of + <br /> sandy clay and silty sand (USCS SC-SM) . <br /> tp=1=CjSFD..sAw.L-—G,P-Ror-F-DURi g3+ _AMD EQUI.PME_NT <br /> ion of 55011—borings at the tank .pit are proposed <br /> {avv' <br /> Irk s--a t e,---,n r thw s -a-n �. -c► t c' S <br /> S l '1-- o r -n,g i'n t-h v_m i d d =aro-f 'lie �t k p+t <br /> Boring and sampling will be done with an Ingersoll Rand' A-- <br /> 200 three inch hollow stem auger drill and a split spoon sampler <br /> with three six inch brass tube liners. The middlen tube in the <br /> split spoon will be used for analysis unless a duplicate is <br /> required at the sample interval . Duplicate sampling is discaacsed <br /> under Quality Control below. Samples will be taken beginning at <br /> 10 feet and at five feet intervals thereafter and when a change <br /> in soil type is encountered hick could ffect hdrologic <br /> conductivity. --b-e-twk=ey-P.—t -2-5 e-ta4-n—d3 e p . A 1 1 � <br /> samples will be t6sted at the time the split spoon is opened with <br /> the Organic Vapor Analyzer . � _ amp- =L P5Zfa_o_t same. �l7 <br /> c+ s `_rt� si _ ._s of5p�sifi r as€+ over .atnti en#-or ar►i_c _ "v apo , <br /> IqM-Tl—t tT a-b o r-i-ng s w'1-1 1-'b a i't C t-I Cd l? i nu :d-_t o�t e-n f�t-b.e_-cr <br /> --------{,_C - n i o r . e,ll p r cavi m a t y <br /> �1 <br /> k - = ? C; ERR 'Y ra I NE4 I A a F4 _r I r c <br /> 7_4 6 i. 6 Is <br /> SCS <br /> 'CAI-41vs r4AIK P1r sur��y <br /> QUALITATIVE ANALYSIS <br /> ELATE OF QUALITATIVE ANALYSIS! <br /> CONDUCT F D ®Y a T i 4l S nti,yu <br />