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Table 3.1: Volatile Organic Compounds, Analytical Results, Vapor Extraction Wells and Upper Aquifer Wells <br /> Second Quarter 2006 Site Status Report <br /> Former Nestle USA, Inc. Facility, Ripon, CA <br /> Average PDB Sample cis-1,2- trans-1,2- Trichloroethene Vinyl Chloride Chloroform Comments/Others <br /> Samplel_ocation Sample Method Depth (ft, bgs) Sampling Frequency Date Dichloroethene Dichloroethene <br /> USEPA Method 8021 and 524, micrograms per liter(ppb) <br /> Vapor Extraction Well <br /> Sampling not required at VE-1 through VE-5. _ - - �5 <0 5 <p.5 <p•5 6.3 <br /> VE-6 PDB 37.1 SAB 4118/06 < <br /> Sampling not required at VE-7 through VE-12. - <br /> Upper Aquifer <br /> See Table 6.1 for <br /> E-2 Grab - Q (SA) 4118106 0.86 <0.5 9.8 <0.5 <1 Treatment System Data <br /> ED-1 Sampling Not Required - NR(c ) - - - <br /> ED-2 Sampling Not Required - NR c ) <br /> EE-1 Sampling Not Required - NR(c) - - - - - - <br /> See Table 6.1 for <br /> Ei-1 Grab - Q ( c) (d)(SA) 5129106 2.1 <0.5 10 0.66 1.1 Treatment System Data <br /> EU-1 Sampling Not Required - NR c ) <br /> EU-2 Sampling Not Required - NR c <br /> See Table 6.1 for <br /> EW-1 Grab - Q(SA) 4118106 5.3 <1 110 <1 4 Treatment System Data. <br /> 1,1-Dichloroethane:1.4 <br /> M-1A PDB 118.5 A 4118106 2.7 <0.5 14 0.55 1.2 <br /> M-1B PDB _38.5 A 4118106 760 <5 290 260 <10 <br /> 0.5 480 Dichlorobromomethane: <br /> M-2A PDB 103.5 A 4118106 0.54 <0.5 2.5 < 0.89 <br /> M-213 PDB 36.5 A 4118106 <0.5 <0.5 <0.5 <0.5 21 1,1-Dichloroethene: 3.1 <br /> M-3A -- PDB 99.5A 4/18106 2.2 <0.5 4.2 1.4 <1 <br /> M-313PDB 35 _ A 4/18106 <0.5 <0.5 15 <0.5 <1 <br /> MAB _ PDB 38.5 A 4/25/06 <0.5 <0.5 1.1 <0.5 <1 <br /> M-5A PDB 107.5 Q 4125106 1.3 <0.5 2.3 <0.5 <1 <br /> M-513PDB 38.5 A(B) 4/25/06 <0.5 <0.5 <0.5 <0.5 <1 <br /> M-6A PDB 102.5 A 4118106 11 <0.5 29 <0.5 <1 <br /> M-6B PDB 40.5 A 4118106 <2.5 <2.5 150 <2.5 <5 <br /> WA PDB 111.5 A 4112106 <0.5 <0.5 <0.5 <0.5 <1 <br /> Sampled in odd-numbered <br /> M-713 NS - B - - - - - years <br /> M-8A PDB 103.5 A 4/18/06 0.71 <0.5 <0.5 <0.5 <1 <br /> M-813 PDB 38.5 A 4118106 <0.5 <0.5 35 <0.5 <1 <br /> M-9A PDB 107.5 A 4/19/06 62 <0.5 28 6.5 <1 <br /> M-913 PDB 29.5 A 4/19106 16 <0.5 8.6 <0.5 <1 <br /> M-10A PDB 109 Q SA 4/19106 - 1.4 <0.5 56 <0.5 <1 Carbon tetrachloride: 1.8 <br /> Sampled in odd-numbered <br /> M-10B NS - B - - - - years <br /> M-11 A PDB 98.5 A B) 4112/06 <0.5 <0.5 <0.5 <0.5 <1 <br /> Sampled in odd-numbered <br /> M-11 B NS - B - - - - years <br /> M-12A PDB 101.5 A 4/18/06 2.3 <0.5 12 <0.5 <1 <br /> M-13B PDB 32.5 A 4119106 <0.5 <0.5 <0.5 <0.5 <1 <br /> M-14A PDB 98.5 A 4119/06 42 <0.5 21 0.69 <1 <br /> Sampled in odd-numbered <br /> M-1 4B NS - B - - - - - ears <br /> M-15A PDB 95.5 A(B) 4119106 <0•5 <0.5 <br /> <0.5 <0.5 <1 <br /> Page 1 of 2 <br />