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�trnt <br /> 4th QUARTER WELL SAMPLING REQUEST <br /> ARCO 2093 3424 Tracy Blvd Tracy,CA <br /> Project No Task# Project Name Release# Project Manager Approval Date Lab Release# Site Engineer <br /> 7G600-603-04 2093 ARCO 2093 2223261 Rusty Benkos JQ6" Sequoia 22232 Paul Supple/RAT 9 <br /> Well Sampling Gauging Sampling Analyses TOB Well Casing Depth to Comments <br /> Number Order Frequency Frequency TOC Depth Dla (1n) Top of Screen <br /> ATR-1 Quarter) Semi-Annual TPH TEX/Mt8E TOC 35 2 10 Sample 1st&3rd <br /> I <br /> ATR-2 !1 Quarterly Quarterly TPH TEXIWBE TOC 1 30 2 8 <br /> ATR-3 ! Quarter) Semi-Annual TPH TEXIMtBE TOC 30 2 55 Sample 1st&3rd <br /> I <br /> ATR-4 Z Quarterly Quarter) TPH /BTEXIMtBE TOC 30 2 8 <br /> ATR-5 1 Quarterly Quarter) TPH /BTEX/MtBE TOC 275 4 5 <br /> ATR-6 3 Quarter) Semi-Annual TPH /BTEXIMtBE TOC 27 4 65 Sample 1 st&3rd <br /> ATR-7 AfQuarterly Quarter) TPH TEXIMtBE TOC 265 4 7 <br /> ATR-8 Quarterly Quarterly TPH TEX/MtBE TOC 295 2 7 <br /> ATR-9 Quarter) Semi-Annual TPH /BTEXIMtBE TOC 1 25 2 8 Sample 1st&3rd <br /> ATR-10 G QuarterlySemi-Annual TPH IBTEXIMtBE TOC 25 2 10 Sample 1st&3rd - <br /> ATR-11 7 QuarterlySemi-Annual TPH /BTEXIMtBE TOC 25 2 10 Sample 1st&3rd <br /> ATR-12 `d Ouarterl Quarter) TPH /BTEX/MtBE TOC 25 2 5 <br /> TEX-1 Quarter) NS TOC 385 6 <br /> Notes Measure DO in all wells Semi-annual 1 st and 3rd Quarters <br /> No purge rf possible TPH /BTEX/MtBE b EPA Method 8020 Srte En inner realease# and RAT area must be on COC <br /> 6 <br /> SMPLROST 2093 1027795 <br />