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•.M TABLE 2 PORT OF STOCKTON ANALYTICAL RESULTS OF SOIL AND GROUNDWATER SAMPLES Site No.5 (Site Code#1237) Petroleum Hydrocarbon Constituents Oxvaenates Boring_ Date Sample Depth Matrix B E T X TPH-g MTBE MTBE DIPS ETBE TAME TBA Total Lead No. Collected Number ' feet s 65-1 08/04/98 S-005 16.0-16.5 Soil NO ND NO NQ ND NO - - --- --- --- NO B5-1 08/04/98 S-006 21.0-21.5 Soil NO ND NO ND NO ND - - - - -- 10 85-1 08/04/98 S-007 26.0-26.5 Sall NO NO NO NO NO ND --- -- - - - 5.6 13`5-1 08/04/98 W-OM 28 Water 0.002 0.11 0.00092 0.0033 t-4.2 NO ND NQ NO NO ND ND :::r::::....::::.: >:. :::: >..:.;Weie�. ..:..... ,,ND.::.......iVtti. . ..:.Nt7i.... :..NR.. NI7...:. .::.N4.... <.... 85-2 08/05/98 S-008 16.0-16.5 Soil NO NO ND ND NO NO - - --- - -- 6.7 B5-2 08/05/98 S-009 21.0-21.5 Sop ND NO ND NO NO NO - - - - - 10 135-2 08/05/98 S-010 26.0-26.5 Boll NO ND ND ND ND NO - - - --- - 7.7 135-2 08/05/98 W-004 22 Water NO NO ND ND NO ND --- --- - - - NO 155-3 08/05/98 S-011 16.0-16.5 Soil" :ND -ND: ND ND NO NO - - - - - 9.6 B5-3 08/05/98 S-012 21.0-21.5 Soil ND ND ND ND NO NO - --- - -- 9.4 135.3 08105!98 S-013 25.5-26.0 Soil NO ND NO ND NO NO --- - - - - 11 65-3 08/05/98 W-005 22 Water NO NO NO ND NO NO - - NO 135-4 08/05/98 S-019 10.0-10.5 Soil NO ND ND ND ND NO - --- --- --- 12 B5-4 08/05/98 S-M 15.0-15.5 Soil NO ND NO ND ND ND --- --- - - - B•5 85-4 08/05/98 W-007 21 Water 0.00051 0.0023 0.00089 0.019 0.063 NO - - - -- - NO B5-4 Re ficate 08/05/98 W-" 21 Water 0.00044 0.002 0.00074 0.016 0.054 ND ND 85-5 08/05/98 S-014 5.0-5.5 Soil 0.0050 NO 0.015 NO NO NQ --- - - - - 12 B5-5 08/05/98 S-015 10.0-10.5 Soil ND NO 'ND NO ND NO --- - - - - 12 135-5 08/05/98 S-016 15.0-15.5 Soil NO NO 0.012 NO NO ND - --- 11 B5-5' 08/05/98 "17, 20.o-20.5 Soil NO ND ND NO ND NO - - - -- - 11 65-5 08/05198 W-006 21 Water 0.035 0.074 0.28 0.46 1.1 NO NO ND ND NO ND ND . >.>:: :.: ::::.:: ...... f #3qf tTi0t8.. .::: b.::,.. ..:: fp:.: ............. ' �+73"A�J89� 1let:::::<:::: eft �li�....:, '#�Ot .:::....�tlJ�... , ..:... ..::.::.:.: :.:.. ::..:.::.:..::::::.. ..: ::..::: .............. ........ ......:....::.,....:::: .... .. ...:.. # W+ O7A09f89.:PI 7�If14 ...:. �Ief:...:='.:„:allfefef _.: 1#k 1009>: >.: 00Q 1St _ .:.. N ..... -::_:.,a�L1 ASL3 -- :NCS...: Nf3 ......:. .:.::.......:.:::..... ..... ........:..... :.. :...:.... .::.:::Q :. .:::.:ND:::.:::Q .::::.... D::::.. [1 ::::. ...::::.................. AMM..> � - ...::;.;.--::; .. : .._:: .: ;::-:;; :. ,: _ . _ - tYb I Notes: 1. 1999 samples are highlighted. 2. Soil and water samples were analyzed for petroleum constituents using EPA Methods 8015/8020;results for crater samples are repotted by the laboratory In ugA and are presented here in mg/l. Results for soil samplesm - - are reported In mgASg, B=Betaene,E=Etttylte,T Toluene,X E Xylene. Standard detection prnfta farBT'EX tents are 0.3 and 0.5 ugA for water samples and 0.005 mg/kg for sop samples. TPHg a Total Petroleum Hydrocarbons as Gasolf6e;standard detection Amit for water samples is 50 ugA.andfor soil samples is 1.0 mg/kg. MTBE=Methyl-t-Butyl Ether,standard detection 11mit•for water samples Is 5.0 ugA(for 1998 samples)and 0.5 ugA(for 1999 samples)and for soil samples is 0.05 meg. 3. Water samples W4)03 and W-006 were analyzed for oxygenates using EPA Method 8260 to confirm an apparent detection of MTBE by EPA Method 8015/8020. All water samples In 1999 were analyzed by Method 8260. Method 8260 results are reported in ugA for water samples. H MTBE result using EPA Method 8015/8020 is not confirmed by Method 8260,the 8015/WM result is also reported as ND. MTBE=Methyl-t-6uty1 Ether;DIPE=DI-isopropyl Ether,ETBE a EM>)rl t-Butyl Ether,TAME=t-Amyl Methyl Ether,TBA=tert-6utyt Alcohol. 4. 1998 water samples were analyzed for total lead using EPA Method 200.7 and soil samples using EPA Method 6010. Water sample results are reported in rrW and soil sample results In nvft. Detection limits for lead ana"are 0.1 mgA for water samples and 5 mg/kg for loll samples.