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1 <br /> amec <br /> TABLE A-1 <br /> SUMMARY OF SOIL SAMPLE ANALYTICAL RESULTS - TPHs AND VOCs ' <br /> TRACY RAIL YARD SOUTHERN BOUNDARY <br /> Tracy Rail Yard Off Site South Area <br /> Tracy , California <br /> Results reported in milligrams per kilogram (mg/kg) <br /> Sample TPH mm VOCs <br /> Sample <br /> Boring Sample Depth TPHc Xylenes <br /> ID Name Date (feet bgs ) TPHg TPHd TPHmo (ClD-C36) Benzene Toluene Ethylbenzene ( Total ) Other VOCs <br /> TRY-5 TRY-5-6 . 0 08/ 13/2009 6 . 0 -- -- - 57 J <0 . 005 < 0 . 005 <0 . 005 <0 . 005 -- <br /> TRY-5- 18 . 0 18 . 0 -- -- -- 3 . 9 J <0 . 005 < 0 . 005 <0 . 005 < 0 . 005 -- <br /> TRY-6 TRY-6-23 . 5 08/17/2009 23 . 5 -- -- -- 6 . 3 J <0 . 005 <0 . 005 <0 . 005 < 0 . 005 -- <br /> TRY-7 TRY-7-6 . 0 08/ 13/2009 6 . 0 -- -- -- 8 . 7 J <0 . 005 < 0 . 005 < 0 . 005 <0 . 005 -- <br /> TRY-7- 18 . 0 18 . 0 -- -- -- 11600 J <0 . 220 < 0 . 220 < 0 . 220 <0 . 220 -- <br /> TRY- 10 TRY- 1 < 0 . 005 < 0 . 005 <0 . 0050-6 . 0 08/13/2009 6 . 0 -- -- -- 73 J <0 . 005 -- <br /> TRY- 10- 18 . 0 18 . 0 -- -- -- 940 J <0 . 220 < 0 . 220 < 0 . 220 <0 . 220 -- <br /> TRY- 11 TRY- 11 -6 . 0 08/ 14/2009 6 . 0 -- -- -- 970 J 0 . 0005 J < 0 . 004 < 0 . 004 <0 . 004 -- <br /> TRY- 11 - 18 . 0 18 . 0 -- -- -- 410 J <0 .21 <0 . 21 <0 . 21 < 0 . 21 -- <br /> TRY- 14 TRY- 14-27 . 0 08/18/2009 27 . 0 -- -- -- < 15 <0 . 005 < 0 . 005 < 0 . 005 <0 . 005mm <br /> -- <br /> TRY- 16 TRY- 16-5 . 5 08/ 11 !2009 5 . 5 -- -- -- < 13 0 . 0007 J < 0 . 004 <0 . 004 <0 . 004 -- <br /> TRY- 16-20 . 7 20 . 7 -- -- -- < 15 < 0 . 005 < 0 . 005 <0 . 005 < 0 . 005 -- <br /> West of Central Avenue <br /> TRY- 18 TRY- 18 -5 . 0 08/ 12/2009 5 . 0 -- -- -- < 13 <0 . 005 < 0 . 005 <0 . 005 < 0 . 005 -- <br /> TRY- 18- 18 . 0 18 . 0 -- -- -- 5 . 5 < 0 . 005 < 0 . 005 <0 . 005 <0 . 005 -- <br /> TRY-28 TRY-28-5 . 0 03/08/2010 5 . 0 -- -- -- <4 . 1 < 0 . 005 < 0 . 005 <0 . 005 <0 . 005 -- <br /> TRY-28- 15 . 5 15 . 5 -- -- -- < 18 < 0 . 022 <0 . 022 <0 . 022 <0 . 022 -- <br /> Notes <br /> 1 . Analytical results for the 2005 and 2006 samples were compiled from tables presented in previous consultants' reports . AMEC Geomatrix did not independently review laboratory data sheets . Samples collected <br /> by AMEC Geomatrix, Inc. in 2009 and 2010 were analyzed by Lancaster Laboratories , Inc. , of Lancaster, Pennsylvania , for TPHc using U .S . nvironmental Protection Agency ( U . S . EPA) Method 8015 ; and for BTEX using <br /> U . S . EPA Method 826013 . Detected anylytes are shown in bold face-type . <br /> 2 . Laboratory notation : "samles contain hydrocarbons within the diesel/motor oil range that do not match the diesel/motor oil pattern . " <br /> 3 . Sample analyzed after 14-day hold time . Alternate sample collected from replacement boring . <br /> 4 . Methanol extraction used . <br /> 5 . TPHd detected in equipment blank at 160 pg/L . <br /> Abbreviations TPH = total petroleum hydrocarbons <br /> - = not analyzed TPHc ( C10 - C36) = total petroleum hydrocarbons quantified as crude oil , carbon range from 10 to 36 <br /> < = analyte was not detected at or above the laboratory reporting limit indicated TPHd = total petroleum hydrocarbons quantified as diesel <br /> bgs = feet below ground surface TPHg = total petroleum hydrocarbons quantified as gasoline <br /> BTEX = benzene , toulene , ethylbenzene , and xylenes TPHmo = total petroleum hydrocarbons quantified as motor oil <br /> J = target analyte was positively identified ; the associated numerical value is the approximate concentration VOCs = volatile organic compounds <br /> of analyte in the sample <br /> ND = not detected ; reporting limits vary <br /> AMEC Geomatrix , Inc. <br /> X:\16000s\16114D\4000 REGULATOR115outh_WP_071211 \4 Apnd A\Tbl A-1 _SO_TPHBTEX_PAHs.xlsx <br /> Page 2 of 2 <br />