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gelofI <br /> 2nd QUARTER 2004 A.AMPUNG REQUEST <br /> ARCO#2133,2908 Benjamin Holt DT,Stockton,CA <br /> Project No Task# Project Name Release# ]_Lease 9 Project Manager Approval Date Lab Release# 5ite Engineer <br /> 77BP 52133 01 0327 ARCO 2133 27147 147 Rusty Benkosk Sequoia 38982 Paul Supple-RAT 9 <br /> Well Gauging Gauging Sampling Sampling Analyses TOB Well Casing Depth to Comments <br /> Number Order Frequency Frequency Order TOC Depth Dia (in) Top of Screen <br /> E-2 11 Q SA 1013Q — TPH TEXIO 82606 TOC 21 3 6 <br /> E-3 14 Q SA 1 Q13 — TPH BTEXIO 82606 TOC 24 3 1 17 <br /> E-4 18 Q SA 10/30 — TPH /BTEX/O 82608 TOC 1 295 3 1 5 <br /> E-5 5 Q SA 1 Q/3Q — TPH IBTEXIO 82608 TOC 21 3 4 <br /> E-6 13 Q SA 1Q/3Q -- TPH IBTEXIO 82608 TOC 195 3 45 <br /> E-7 4 Q A 1Q — TPM BTEX/O 82606 TOC 20 3 5 <br /> E-8 15 0 SA 1 Q/3Q — TPH IBTEXIO 82606 TOC 24 3 4 <br /> E-9 19 Q Q 3 TPH IBTEX/O 82608 TOC 19 3 45 Sampled QWy <br /> E-10 20 Q Q 4 TPH-g/ EX/O82606 TOC 25 3 8 Sampled Qtrty <br /> E-11 6 1 Q SA 10/30 --- TPH / XIO 82608 TOC 24 3 4 <br /> E-12 7 Q SA 10130 — TPH /BTEXIO 8260E TOC 23 3 6 <br /> PR-1 10 Q 0 -1 TPH BTEXIO 82606 TOC 28 4 8 Sampled Qtrl <br /> PR-2 3 Q A10 --- TPH lBTE JO 8260E TOC 28 4 8 <br /> BHD-1 17 Q Q 2 TPH IBTEXIO 82606 TOC 28 4 8 Sampled QM <br /> 1311D-2 9 Q A10 — TPH IBTEXIO 8260E TOC 28 4 8 <br /> MW-1 8 Q SA 1Q/3Q — TPH IBTEX/O 8260E TOC 30 4 10 <br /> MW-2 12 Q A 1Q -- TPH IBTEX O 82608 TOG 285 4 85 <br /> MW-3 16 Q A 1Q — TPH IBTEXIO 82608 TQC 295 2 95 <br /> MW-4 2 Q A 1 Q — TPH /BTEX/O 82608 TOC 285 2 85 <br /> MW-5 1 Q A 1 Q — TPH /BTEXIO 82608 TOC 30 2 10 <br /> QCTB - – – -- TPH IBTEXIOxys(8260B) <br /> Notes l�l�r �1Q1 IJ�r LI Ty: <br /> Notify Lon Duncan 48 hours ahead of the scheduled date(Contacted 6/18104,14 50 PM) �i, <br /> Modifications made to sampling frequency of wells above beginning 4003(approved by SJCEHD in a letter dated 11/12103) <br /> Coordinated event with Gettler-Ryan,who samples the Chevron site <br /> Schedule Flash Safety for traffic control(To Be Confirmed) <br /> Collect pre-purge DO measurements from all wells <br /> Purge all wells prior to sampling Follow sampling order above <br /> Sample wells for TPHg/BTEXMuel oxygenates(MtBE,TAME,RIPE,EtBE,TBA,ethanol,1,2-DCA,EDB)by EPA 8260E <br /> Dispose purge water in the ARCO West Sacramento holding tank(key code is 5786) There should be enough room for your purge water this quarter <br /> Number of wells gauged&not sampled = Total gallons purged <br /> Number of wells sampled(PURGE) = Traffic Control(Circle one) YES NO <br /> SMPLROST 2133 <br /> 611812004 <br />