ARCHIVED REPORTS_2009_2010 ANNUAL MONITORING REPORT

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Table 5 Halogenated Volatile Organic Compound Groundwater Analytical Results Union Pacific Railroad Company Former Maintenance Facility, Tracy, California 2009/2010 Annual Groundwater Monitoring Report Cleau Levels DR-98.213 200 Cleanu Levels DR- 5 16.0 6.0 10 P (W 97-707)' 200 5,p 0.69 2.3 0.13 0.06 5,p 6.0 NA 10 0.7 5.0 0.015 WeII ID Date Sam led TCA 1,1-DCA 1 11 cisCE trans-7,2- NA 1.1.7' 1,7-DCE Chloroethane DCE Vinyl TOUI TW-03 03/07/02 2.8 16.6 7.51 ND<7 DCE PCE TCE Chloride HVOCs Notes 11/18/02 20.1 NO<1 NO<1 NO<1 0.5 13 NO<0.5 ND<1 1.8 3•`'•7 76.71 03/25/03 ND<1 8.7 ND<0.5 ND<0.5 NO<0.5 03/26/04 1.0 24 ND<1 NO<1 1.5 ND<1 ND<1 ND<7 3.8 1.9 0.471 NO<7.0 3.9 74.29 11/02/04 4.9 NO<1.0 ND<7.0 NO<7.0 f NO<1.0 9.5 ND<1.0 NO<1.0 0.44 J 37 67.56 11/08/05 NO<7.0 q ND<1.0 ND<7.0 NO<7.0 NO<1.0 NO<1.0 NO<1.0 NO<7.0 4.6 14.54 03/14/06 NO<1.0 2.9 ND<1.0 ND<1.0 NO<1.0 ND<1.0 ND<1.0 q 12/28/06 ND<0.50 0,71 ND<7.0 ND<7.0 NO<7.0 NO<7.0 NO<7.0 ND<0.50 NO<7.0 NO<0.50 3.71 Dup 12/28/06 NO c0.50 O.fi4 ND<0.50 NO c1.0 NO<0.50 ND<0.50 NO<0.50 NO<0.50 ND<0.50 NO<0.50 0'71 03/20/07 NO<0.5 0.86 NO<0.5 NO<1.0 NO<0..5 NO<0.5 NO<0.5 NO<0.5 NO<0.5 NO<0.5 NO<0.5 0.64 03/20/08 NO<0.5 NO<0.5 NO<0.5 ND<0.5 NO<0.5 0.88 NO Dup 2 03/20/06 ND<0.5 ND<0.5 NO<0.5 NO<0.5 NO<0.5 ND<0.5 NO<0.5 NO<0.5 NO<0.5 NO<0.5 NO 11/21/08 NO<0.5 NO<0.5 ND<0.5 NO<0.5 ND<0.5 NO<0.5 ND<0.5 NO<0.5 NO<0.5 NO<0.5 ND<0.5 NO<0.5 NO<0.5 ND 03/17/09 NO<0.5 ND<0.5 ND c0.5 NO<0.5 NO 11/20/09 NO<0.5 NO<0.5 ND<0.5 NO<7,0 NO<0.5 NO<0.5 NO<0.5 NO<0.5 ND<0.5 NO<0.5 NO<0.5 NO 03/18/10 NO<0.5 ND<0.5 ND<0.5 ND<1.0 NO<0.5 NO<0.5 NO<0.5 ND I vv-04 08/15/01 i 78 NO<1 NO<0.5 NO<0.5 NO<0.5 NO<0.5 ND<7 NO<7 ND<0.5 NO 11/19/01 NO<1 2.67 NO c1 ND<7 ND<7 ND<7 .67 17/18/02 NO<7 NO<1 ND<1 NO<1 NO<1 1'05 2.83 NO c0.5 2 NO<0.5 NO<7 ND<1 NO<0.5 22 03/27/03 NO<0.5 NO<0.5 NO<0.5 NO<0.5 NO<1 UJ 1.3 J NO<1 UJ NO<1 UJ NO<1 UJ NO<0.5 2 11/02/04 NO<7 UJ NO<1 UJ ND c1 UJ NO<7 UJ NO<7.0 6.1 NO<7.0 NO<7.0 0.23 J 1.9 03/06/06 NO<7.0 9.8 NO<1.0 NO<1.0 NO<1.0 ND<1.0 NO<1.0 3.3 NO<7.0 NO<7.0 ND<7.0 NO<1.0 9.63 Dup 03/08/06 NO<1.0 9.4 NO<1.0 NO<1.0 NO<1.0 9.6 12/28/06 NO<7.0 ND<7.0 NO<7.0 NO<7.0 NO<7.0 NO<0.50 9.0 ND<0.50 NO<1.0 NO<0.50 9.4 03/20/07 NO<0.5 5.4 NO<0.5 NO<1.0 ND<0..5 NO<0.5 NO<0.5 ND<0.5 NO<0.5 NO<0.5 .50 9'0 03/17/09 NA NA NA NA No NO NDA 5.4 NA 11/19/09 NA NA NA NA NA NA NA NA NA NA NA NA 03/15/10 NA NA NA NA NA NA NA Tri Blank NA NA NA NA P 03/18/08 ND<0.5 ND<0.5 ND<0.5 NO<0.5 NA NA NA 03/16/10 NO<0.5 ND<0.5 ND<0.5 ND<7.0 ND<0.5 NO<0.5 ND<0.5 NO<0.5 ND<0.5 NO 03/16/10 ND c0.5 NO<0.5 NO<0.5 NO<0.5 NO<0.5 ND<0.5 NO c0.5 NO c1.0 ND<0.5 ND<0.5 NO NO<0.5 NO 4.5 ND<0.5 ND<0.5 NO UP Tracy Annual Tables 201 o_CIC'tl_AAV.xlsx ARCAD I$ Page 13 of 15