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Table 3.1: Volatile Organic Compounds, Analytical Results, Upper Aquifer Wells <br /> First Quarter 2011 Site Status Report <br /> Former Nestle USA, Inc. Facility, Ripon, CA <br /> Average PDB MRP Actual Sample cis-1,2- trans-1,2- Trichloro- Vinyl <br /> SampleLocation Sample Method Depth (ft, bgs) Sampling Sampling Date Chloroform Dichloroethene Dichloroethene ethene Chloride Comments/Others <br /> Frequency Frequency <br /> USEPA Method 8260B and 524, micrograms per liter (pg/L) <br /> Upper Aquifer <br /> E-2 PDB 48.5 Semi-Annual Monthly, Quarterly 01/11/11 <1 <0.5 <0.5 1.3 <0.5 <br /> E-2 Duplicate 01/11/11 <1 <0.5 <0.5 1.5 <0.5 <br /> EI-1 Grab - Semi-Annual Quarterly2 01/04/11 6.2 2.4 <0.5 22 <0.5 1,1-DCA: 0.56 <br /> EU-3 Grab - Quarterly Quarterly 01/04/11 3.2 <0.5 <0.5 26 <0.5 1,1-DCA: 1.3 <br /> EU-4 Grab - Quarterly Quarterly 01/04/11 17 <0.5 <0.5 33 <0.5 <br /> M-1A PDB 118.5 Quarterly Quarterly 01/07/11 <1 10 <0.5 26 <0.5 1,1-DCA: 2.0 <br /> M-1 B PDB 38.5 Quarterly Quarterly 01/07/11 1 <0.5 <0.5 110 <0.5 1,1-DCA: 1.2 <br /> M-1 B Duplicate 01/07/1 1 1 M. <0.5 M. <0.5 120 <0.5 1,1-DCA: 1.2; <br /> M-2A PDB 103.5 Annual Annual - - - - - - <br /> M-2B PDB 36.5 Annual Annual - - - - - - <br /> M-3A PDB 99.5 Annual Annual - - - - - - <br /> iM <br /> -3B PDB 35.0 Annual Annuall-4B PDB 38.5 Annual Annual - - - - - - <br /> PDI " uuarleny u y0.58 <0.5 <br /> -5A Duplicate 01/11/11 < <0.5 <0.5 0.55 <0.5 <br /> M-6A PDB 107.5 Semi-Annual Semi-Annual - - - - - - <br /> M-6B PDB 40.5 Semi-Annual Semi-Annual - - - - - - <br /> M-7A PDB 111.5 Annual Annual - - - - - - <br /> M-7B PDB 37.5 Biennial Biennial - - - - - - <br /> M-8A PDB 103.5 nnua Monthly,Quarterly 01/11/11 <0.5 <0.5 <0. <0.5 <br /> M-8B PDB 38.5 Annual Monthly', Quarterly 01/11/11 <1 <0.5 <0.5 4.5 <0.5 <br /> M-9A PDB 107.5 Annual Annual - - - - - - <br /> M-9B PDB 29.5 Annual Annual - - - - - - <br /> -10A PDB w0g.aw Quarterly Quarterly 01/11/11 <10 6.1 <5 320 <5 <br /> M-10B PDB 39.5 Biennial Biennial - - - - - - <br /> M-11A PDB 103.5 Annual Annual - - - - - - <br /> M-11 B PDB 39.5 Biennial Biennial - - - - - - <br /> M-12A PDB 101.5 Annual Annual - - - - - - <br /> M-13B PDB 37.5 Annual Annual - - - - - - <br /> M-14A PDB 98.5 Annual Annual - - - - - - <br /> M-14B PDB 33.5 Biennial Biennial - - - - - - <br /> M-15A PDB 95.5 Annual Annual - - - - - - <br /> M-15B PDB 42.5 Biennial Biennial - - - - - - <br /> M-16B PDB 42.0 Annual Annual - - - - - - <br /> M-17A PDB 93.5 Annual Annual - - - - - - <br /> Page 1 of 2 <br />