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amec -- <br /> TABLE A-4 <br /> SUMMARY GROUNDWATER SAMPLE ANALYTICAL RESULTS - SVOCs AND PAHs <br /> TRACY RAIL YARD SOUTHERN BOUNDARY <br /> Tracy Rail Yard Off Site South Area <br /> Tracy, California <br /> Results reported in micrograms per liter g/L <br /> Sample PAHs <br /> Groundwater Benzo Dibenz <br /> Sample Depth Acen - Acen - Benzo(a ) Benzo( b) (g , h , i ) Benzo ( k) (a , h ) Indeno Naph - Phen - <br /> Boring Sample Interval aphth - aphthy- Anthra- anthra- Benzo (a ) fluoran - peryl- fluoran - Chrys- anthra- Fluoran - Fluor- ( 1 , 2 , 3-cd ) that - anthr- BaP <br /> ID Name Date (feet bgs ) SVOCs ene lene cene cene pyrene thene ene thene ene cene thene ene pyrene ene ene Pyrene TEQ 2 <br /> East of Central Avenue <br /> OU2-AOWS1 GW- 1 -20 12/14/2005 20 -- -- -- -- -- -- <br /> - - -- -- -- -- -- -- -- -- -- -- <br /> G -137-OU3 GW-137 2/17/2005 20 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND <br /> - 138- OU3 GW-138 2/18/2005 22 -- -- -- -- <br /> -- -- -- -- -- <br /> - - -- -- -- -- -- -- -- <br /> CPT-9 CPT-9 2/11 /2008 20-24 -- -- -- <br /> - - -- -- -- -- -- -- -- -- <br /> CPT- 14 CPT- 14 2/ 11 /2008 19-23 -- -- -- -- -- -- <br /> - - -- -- -- -- -- -- -- -- -- -- <br /> CPT- 15 CPT- 15 2/11 /2008 20-24 -- -- - -- -- -- <br /> - - -- -- -- -- -- -- -- -- -- -- <br /> - 0 CPT-20 @ 20-24 4/10/2005 20-24 -- -- -- -- -- <br /> - - -- -- -- -- -- -- <br /> CPT-20 @ 32-36 4/ 10/2005 32-36 -- -- -- -- -- <br /> - - -- -- -- -- -- -- -- -- -- -- -- <br /> CPT-20 @ 4448 4/10/2005 44-48 -- -- -- -- <br /> - - -- -- -- -- -- -- -- -- -- -- -- <br /> -- <br /> TRY-3 TRY-3-W-30-090817 08/17/2009 23-25 - <0 . 010 < 0. 010 <0 . 010 <0 . 010 < 0 . 009 < 0. 010 <0. 012 <0 . 010 < 0 . 010 < 0 . 009 0 .012 <0 . 010 < 0. 012 <0 . 050 < 0 . 010 0 .079 ND <br /> TRY-3-W-25-090817 28-30 - 0. 010 0. 017 0. 031 < 0 . 010 0 .0064 J <0 . 010 < 0. 012 < 0 . 010 0 .024 0. 0032 J 0. 083 0.022 < 0 . 012 <0 . 050 0 .087 J 0 . 15 0. 0097 <br /> TRY-3B TRY-313-W-35 . 0- 100309 03/09/2010 33-38 - < 0 . 010 <0 . 010 <0 . 010 <0 . 010 < 0 . 009 <0. 010 < 0. 012 < 0 . 010 <0 . 010 < 0 . 009 < 0 . 010 < 0 . 010 < 0 . 012 < 0 . 050 < 0 . 010 <0 . 010 ND <br /> TRY-313-W45 . 0- 100309 4348 - < 0. 010 < 0 . 010 < 0 . 010 < 0 . 010 < 0. 009 <0. 010 < 0 . 012 < 0 . 010 <0. 010 < 0 . 009 <0 . 010 0. 012 J <0 . 012 < 0 . 050 0 . 015 J < 0 . 010 ND <br /> TRY-5 TRY-5-W-090813 08/13/2009 16-20 - < 0 . 010 <0 . 010 <0 . 010 <0 . 010 < 0 . 009 < 0 . 010 < 0 . 012 < 0 . 010 < 0 . 010 < 0 . 009 <0 . 010 <0 . 010 < 0. 012 <0 . 050 < 0 . 010 <0 . 010 ND <br /> Duplicate TRY-27-W-090813 16-20 - < 0. 010 <br /> < 0. 010 <0 . 010 <0 . 010 < 0. 009 <0. 010 < 0 . 012 < 0 . 010 <0 . 010 < 0 . 009 <0 . 010 <0. 010 < 0 . 012 <0 . 050 <0 . 010 <0 . 010 ND <br /> TRY-6 TRY-6-W-27-090817 08/17/2009 25-27 - <0 . 010 <0 . 010 <0 . 010 < 0. 010 <0 . 009 <0. 010 < 0 . 012 < 0 . 010 <0. 010 <0 . 009 <0 . 010 <0 . 010 < 0. 012 <0 . 050 0 .019 J <0 . 010 ND <br /> TRY-6-W-32-090817 30-32 - 0 .011 0 . 062 0. 039 0. 066 0. 045 0 .093 0 . 039 0. 027 0 . 12 0 . 0086 J 0 . 5 0.037 0. 032 0. 061 0. 31 J 0. 360 0 .071 <br /> TRY-7 TRY-7-W-090813 08/13/2009 16-20 - 0 .72 <0 . 37 0. 15 0 . 051 <0 . 047 0 . 048 < 0 . 062 < 0. 047 0. 28 <0 . 047 0 . 11 2. 8 < 0 . 062 0 . 69 4.7 J 0. 16 0 . 050 <br /> TRY-7B TRY-7B-W-25 . 0- 100309 03/09/2010 23-28 - 0 . 032 <0 . 020 < 0 . 010 <0. 010 0 . 0032 <0. 010 < 0. 012 < 0 . 010 0. 010 < 0 . 009 0. 018 0.036 J < 0 . 012 0 .52 J 0. 17 J 0 . 016 0 . 0058 <br /> TRY-713-W-30 . 0- 100309 28-33 - < 0. 010 <0 . 010 < 0 . 010 < 0 . 010 <0. 009 0. 28 < 0 . 012 < 0. 010 < 0 . 010 < 0 . 009 < 0 . 010 < 0 . 010 <0 . 012 <0 . 050 0. 030 J <0 . 010 0 . 032 <br /> TRY-713-W-35 . 0- 100309 33-38 - <0 . 010 < 0. 010 <0 . 010 < 0 . 010 0 .0039 J <0 . 010 <0 . 012 < 0 . 010 < 0 . 010 < 0. 009 0.022 J 0 . 014 J <0. 012 0 .075 J 0. 052 J 0. 023 J 0 . 0065 <br /> TRY- 14 TRY- 14-W-29 . 0-090819 08/19/2009 29 - < 0 . 010 < 0. 010 <0 . 010 < 0 . 010 < 0. 009 <0. 010 <0 . 012 < 0. 010 < 0 . 010 < 0 . 009 <0 . 010 < 0 . 010 < 0. 012 < 0 . 050 <0 . 010 < 0 . 010 ND <br /> TRY- 14-W48 . 0-090819 4448 - < 0 . 029 <0 . 019 < 0 . 029 <0 . 029 <0 . 029 < 0 . 029 < 0 . 039 < 0 . 029 <0 . 019 < 0 . 029 0 . 043 <0 . 029 <0 . 039 < 0 . 050 0 . 14 J <0 . 029 ND <br /> Duplicate TRY-28-W-090819 44-48 - 0 . 053 <0 . 010 <0 . 010 < 0 . 010 < 0. 009 <0 . 010 <0 . 012 < 0. 010 < 0 . 010 <0 . 009 0. 023 0. 017 < 0 . 012 <0 . 050 0 . 096 J 0 . 013 ND <br /> TRY- 146 TRY- 14B-W-53 . 0- 100310 03/10/2010 51 -56 - <0. 010 < 0. 010 <0 . 010 <0 . 010 < 0 . 009 <0. 010 <0 . 012 < 0 . 010 < 0 . 010 <0 . 009 <0 . 010 0.016 J <0 . 012 < 0. 050 0. 059 J <0 . 010 ND <br /> TRY- 146-W-58 . 0- 100310 56-61 - <0 . 010 < 0. 010 < 0. 010 <0 . 010 < 0. 009 <0 . 010 <0 . 012 <0 . 010 < 0. 010 <0 . 009 < 0 . 010 0. 012 J <0 . 012 < 0 . 050 0. 044 J <0 . 010 ND <br /> TRY- 1413-W-63 . 0- 100310 61 -66 - <0 . 010 <0 . 010 < 0 . 010 <0 . 010 < 0. 009 <0. 010 <0 . 012 <0 . 010 <0 . 010 <0 . 009 <0 . 010 I < 0 . 010 1 <0 . 012 <0 . 050 0 .036 J < 0 . 010 ND <br /> West of Central Avenue <br /> T-21 CPT-21 4/ 10/2005 21 -25 -- -- -- -- -- <br /> -- -- -- -- -- <br /> - - -- -- -- -- -- -- <br /> PT- 10 CPT- 10 2/12/2008 20-24 -- -- -- <br /> -- -- -- -- <br /> - - -- -- -- -- -- -- -- -- -- <br /> PT-22 CPT-22 4/10/2005 21 -25 -- -- -- <br /> -- -- -- -- -- <br /> - - -- -- -- -- -- -- -- -- <br /> PT- 11 CPT- 11 2/12/2008 20-24 -- -- -- <br /> -- -- -- -- -- <br /> - - -- -- -- -- -- -- -- -- <br /> TRY- 18 TRY- 18 08/12/2009 20-24 - <0 . 010 < 0. 010 < 0. 010 <0 . 010 < 0 . 009 <0. 010 < 0 . 012 <0 . 010 < 0 . 010 <0 . 009 <0 . 010 <0 . 010 < 0 . 012 < 0 . 050 0 . 019 J <0 . 010 ND <br /> TRY-28 TRY-28 03/08/2010 17-22 -- <0 . 010 < 0 . 010 <0 . 010 <0 . 010 <0 . 009 <0 . 010 < 0 . 012 < 0 . 010 < 0 . 010 <0 . 009 <0 . 010 < 0 . 010 <0 . 012 <0 . 050 <0 . 010 < 0 . 010 ND <br /> AMEC Geomatrix , Inc. <br /> X:\16000s\161140\4000 REGULAT0RY\Sculh_WP_071211 \4 Apnd A\Tbl A-3_GW TPHBTEX_PAHs.xlsx Page 1 of 2 <br />