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Table 3.1: Volatile Organic Compounds, Analytical Results, Upper Aquifer Wells <br /> Third Quarter 2011 Site Status Report <br /> Former Nestle USA, Inc. Facility, Ripon, CA <br /> Sample Sample Average PDB MRP Actual Sample cis-1,2- trans-1,2- Trichloro- Vinyl <br /> Location Method Depth (ft, bgs) Sampling Sampling Date Chloroform Dichloroethene Dichloroethene ethene Chloride Comments/Others <br /> Frequency Frequency <br /> USEPA Methods 8260B and 524, micrograms per liter (pg/L) <br /> M-7A PDB 111.5 Annual Annual 04/11/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-7A Duplicate 04/11/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-7B PDB 37.5 Biennial Biennial 04/28/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-8A PDB 103.5 Annual Monthly', Quarter) 01/11/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-8A PDB 103.5 Annual Monthly', Quarterly 04/12/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-8A PDB 103.5 Annual Monthly', Quarterly_ 07/12/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-813 PDB 38.5 Annual Monthly', Quarterly 01/11/11 <1.0 <0.50 <0.50 4.5 <0.50 <br /> M-813 PDB 38.5 Annual Monthly', Quarter) 04/12/11 <1.0 <0.50 <0.50 6.0 <0.50 <br /> M-813 PDB 38.5 Annual Monthly', Quarterly 07/12/11 <1.0 <0.50 <0.50 9.0 <0.50 <br /> M-9A PDB 107.5 Annual Annual 04/12/11 <1.0 21 <0.50 10 0.50 <br /> M-913 PDB 29.5 Annual Annual 04/12/11 <1.0 1.7 <0.50 1.9 <0.50 Carbon Tetrachloride: 0.71 <br /> M-1 OA PDB 109.5 Quarterly Quarterly 01/11/11 <1.0 6.1 <5 320 <5 <br /> M-10A PDB 109.5 Quarterly Quarterly 04/12/11 <1.0 6.4 <0.50 300 <0.50 <br /> M-1 OA PDB 109.5 Quarterly Quarterly 07/08/11 <1.0 6.9 <0.50 180 <0.50 <br /> M-1 OA Duplicate 07/08/11 <1.0 6.6 <0.5 190 <0.5 <br /> M-1 OB PDB 39.5 Biennial Biennial 04/12/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-1 1A PDB 103.5 Annual Annual 04/11/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-11 B PDB 39.5 Biennial Biennial 04/28/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-11 B Duplicate 04/28/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-1 2A PDB 101.5 Annual Annual 04/08/11 <1.0 0.73 <0.50 3.7 <0.50 <br /> M-1 3B PDB 37.5 Annual Annual 04/11/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-14A PDB 98.5 Annual Annual 04/11/11 <1.0 5.2 <0.50 2.4 1.6 <br /> M-14B PDB 33.5 Biennial Biennial 04/28/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-1 5A PDB 95.5 Annual Annual 04/11/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-1 5B PDB 42.5 Biennial Biennial 04/28/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-1 6B PDB 42.0 Annual Annual 04/11/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-1 7A PDB 93.5 Annual Annual 04/11/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-1 7A Duplicate 04/11/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-1 7B PDB 42.5 Biennial Biennial 04/28/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-1 8A PDB 93.5 Annual Annual 04/11/11 <1.0 23 <0.50 14 <0.50 <br /> M-1 8B PDB 42.5 Biennial Biennial 04/28/11 <1.0 <0.50 <0.50 1.3 <0.50 <br /> M-22A PDB 103.0 Annual Annual 04/11/11 <1.0 13 <0.50 64 <0.50 1,1-DCE: 0.59 <br /> M-22B PDB 37.5 Biennial Biennial 04/28/11 <1.0 <0.50 <0.50 18 <0.50 <br /> M-22B Duplicate 04/28/11 <1.0 <0.50 <0.50 19 <0.50 <br /> M-23A PDB 87.3 Annual Annual 04/11/11 70 9.3 <0.50 3.6 2.2 <br /> M-23A Duplicate 04/11/11 <1.0 9.4 <0.50 3.8 2.4 <br /> Page 2 of 4 <br />