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4 <br /> amee <br /> TABLE A-3 <br /> SUMMARY OF GROUNDWATER SAMPLE ANALYTICAL RESULTS - TPH and VOCs <br /> TRACY RAIL YARD SOUTHERN BOUNDARY <br /> Tracy Rail Yard Off Site South Area <br /> Tracy , California <br /> Results reported in micrograms per liter /L <br /> Sam le TPH VOCs <br /> Groundwater Sample <br /> Boring Sample Depth Interval <br /> ID Name Date (feet bgs ) TPHg TPHd TPHd w/Silica Gel TPHmo Benzene Ethylbenzene Toluene Xylene (Total ) Other VOCs <br /> East of Central Avenue < 500 < 0 . 5 < 0 . 5 < 0 . 5 < 1 . 0 ND <br /> OU2-A014- S1 GW- 1 -20 12/14/2005 20 -- 610 -- <br /> & 137- OU3 GW-B7 2 / 17/2005 20 < 50 <71 -- <71 < 0 . 5 < 0 . 5 < 0 . 5 < 0 . 5 ND <br /> G- 138- 073 GW- B8 2/ 18/2005 22 11400 1901000 2 -- 61 , 000 2 < 0 . 5 6 . 6 15 11 . 2 Isopropylbenzene = 100 <br /> Naphthalene = 39 <br /> N - propylbenzene = 96 <br /> Sec-but ( benzene = 25 <br /> CPT- 9 CPT-9 2/ 11 /2008 20-24 < 50 <49 -- <490 -- -- '- <br /> -- -- -- -- <br /> CPT- 14 CPT- 14 2/11 /2008 19-23 39800 31 , 000 25 , 000 -- <br /> CPT- 15 CPT- 15 2/11 /2008 20-24 < 50 <49 -- <490 '- -- <br /> -- -- <br /> CPT-20 CPT-20 @ 20-24 4/10/2005 20-24 120 19100 1 ,400 -- <br /> CPT-20 @ 32- 36 4/ 10/2005 32- 36 110 240 -- <470 -- -- -- -- '- <br /> -- -- -- <br /> CPT-20 @ 44-48 4/ 10/2005 44-48 100 380 490 -- <br /> WM <br /> TRY- 3 TRY- 3-W- 30-090817 08/ 17/2009 23-25 -- 79 J < 100 -- < 0 . 5 < 1 . 0 < 1 . 0 < 1 . 0 -- <br /> TRY- 3-W-25-090817 28- 30 -- 280 J 220 J -- < 0 . 1 R < 1 . 0 R < 1 . 0 R < 1 . 0 R -" <br /> TRY- 313 TRY- 313-W- 35 . 0- 100309 03/09/2010 33- 38 -- < 100 -- -- < 0 . 5 < 1 . 0 < 1 . 0 < 1 . 0 -- <br /> TRY-313-W-45 . 0- 100309 4348 -- < 100 -- -- < 0 . 5 <1W0 < 1 . 0 < 1 . 0 -- <br /> < 100 < 0 . 5 < 1 . 0 < 1 . 0 < 1 . 0 <br /> TRY- 5 TRY- 5-W- 090813 08/13/2009 16-20 -- -- -- -- <br /> Duplicate TRY-27-W- 090813 16 -20 -- < 100 -- -- < 0 . 5 < 1 . 0 < 1 . 0 < 1 . 0 -- <br /> TRY-6 TRY- 6-W-27-090817 08/ 17/2009 25 -27 -- 220 J < 100 -- < 0 . 5 < 1 . 0 < 1 . 0 < 1 . 0 -- <br /> 100 < 0 . 5 < 1 . 0 < 1 . 0 < 1 . 0 -- <br /> TRY-6-W- 32- 090817 30- 32 -- 79 J < -- <br /> TRY-7 TRY-7-W- 090813 08/13/2009 16-20 -- 22 , 000 J 15 , 000 J -- < 0 . 5 < 1 . 0 < 1 . 0 < 1 . 0 -- <br /> TRY-7B TRY-713-W-25 . 0- 100309 03/09/2010 23-28 -- 68 J < 100 -- < 0 . 5 < 1 . 0 < 1 . 0 < 1 . 0 -- <br /> < 0 , 5 < 1 . 0 < 1 . 0 < 1 . 0 <br /> TRY-7B-W- 30 . 0- 100309 28-33 - - < 100 -- -- -- <br /> < 0 . 5 < 1 . 0 < 1 . 0 < 1 . 0 - <br /> TRY-713-W- 35 . 0- 100309 33-38 -- < 100 -- -- - <br /> TRY- 14 TRY- 14-W-29 . 0- 090819 08/19/2009 29 -- 100 J < 100 -- < 0 . 5 < 1 . 0 < 1 . 0 < 1 . 0 -- <br /> < 1 . 0 < 1 . 0 < 1 . 0 <br /> TRY- 14-W-48 . 0- 090819 44-48 -- 420 J < 150 - - < 0 . 5 -' <br /> Duplicate TRY-28-W- 090819 4448 - - 420 J < 150 -- < 0 . 5 < 1 . 0 < 1 . 0 < 1 . 0 -- <br /> TRY- 146 TRY- 1413-W-53 . 0- 100310 03/ 10/2010 51 - 56 -- 100 J < 100 -- < 0 . 5 < 1 . 0 < 1 . 0 < 1 . 0 -- <br /> TRY- 1413-W- 58 . 0- 100310 56-6163 -- 82 J < 100 -- < 0 . 5 < 1 . 0 < 1 . 0 < 1 . 0 -- <br /> TRY- 1413-W- . 0- 100310 61 -66 -- 51 J < 100 - - < 0 . 5 < 1 . 0 < 1 . 0 < 1 . 0 -- <br /> West of Central Avenue <br /> CPT-21 CPT-21 4/ 10/2005 21 -25 < 50 210 <470 -- -- -- <br /> -- -- -- <br /> CPT-22 CPT-22 4/ 10/2005 21 -25 11500 5209000 650 , 000 -- '- <br /> CPT- 10 CPT- 10 2/ 12/2008 20-24 -- 74 -- < -- -- -' <br /> -- -- <br /> -- -- - <br /> CPT- 11 CPT- 11 2/12/2008 20-24 1 , 200 77 , 000 74, 000 <br /> AMEC Geomatrix , Inc . <br /> X: \16000s\161140\4000 REGULATORY1South_WP_071211ki Apnd A\Tbl A-3_GW_TPHBTEX_PAHs.xlsx <br /> Page 1 of 2 <br />