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Table 3.1: Volatile Organic Compounds in Upper Aquifer Wells <br /> Second Quarter 2012 Site Status Report <br /> Former Nestle USA, Inc. Facility, Ripon, CA <br /> Sample Average PDB MRP Actual Sample cis-1,2- trans-1,2- Trichloro- Vinyl <br /> Well ID Method Depth (ft, bgs) Sampling Sampling Date Chloroform Dichloroethene Dichloroethene ethene Chloride Comments/Others <br /> Frequency Frequency <br /> USEPA Method 8260B, micrograms per liter (pg/L) <br /> M-813 PDB 38.5 Annual Quarterly 01/24/12 <1.0 <0.50 <0.50 8.7 <0.50 <br /> M-813 PDB 38.5 Annual Quarterly 05/18/12 <1.0 <0.50 <0.50 6.1 <0.50 <br /> M-9A PDB 107.5 Annual Annual 04/10/12 <1.0 21 <0.50 8.5 0.53 <br /> M-913 PDB 29.5 Annual Annual 04/10/12 <1.0 1.4 <0.50 1.6 <0.50 <br /> M-10A PDB 109.5 Quarterly Quarterly 01/13/12 <1.0 6.6 <0.50 190 <0.50 <br /> M-10A PDB 109.5 Quarterly Quarterly 04/11/12 <5.0 5.6 <2.5 190 <2.5 <br /> M-10A Duplicate 04/11/12 <5.0 6.1 <2.5 190 <2.5 <br /> M-10B PDB 39.5 Semi-Annual Semi-Annual 04/11/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-1 1A PDB 103.5 Annual Annual 04/10/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-11B PDB 39.5 Biennial Biennial 04/11/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-11B Duplicate 04/11/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-12A PDB 101.5 Annual Annual 05/17/12 <1.0 <0.50 <0.50 1.3 <0.50 <br /> M-13B PDB 37.5 Annual Annual 04/10/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-14A PDB 98.5 Annual Annual 04/10/12 <1.0 18 <0.50 9.0 0.72 <br /> M-14B PDB 33.5 Biennial Biennial 04/10/12 1.4 <0.50 <0.50 <0.50 <0.50 PCE: 0.80; <br /> M-15A PDB 95.5 Annual Annual 05/15/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-15B PDB 42.5 Biennial Biennial 05/17/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-15B Duplicate 05/17/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-16B PDB 42.0 Annual Annual 04/11/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-17A PDB 93.5 Annual Annual 05/17/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-17B PDB 42.5 Biennial Biennial 05/17/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-18A PDB 93.5 Annual Annual 04/10/12 <1.0 15 <0.50 8.5 <0.50 <br /> M-18A Duplicate 04/10/12 <1.0 15 <0.50 8.9 <0.50 <br /> M-18B PDB 42.5 Biennial Biennial 04/10/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-22A PDB 103.0 Annual Annual 05/17/12 <1.0 9.8 <0.50 41 <0.50 <br /> M-22B PDB 37.5 Biennial Biennial 05/17/12 <1.0 <0.50 <0.50 14 <0.50 <br /> M-23A PDB 87.3 Annual Annual 04/10/12 <1.0 4.1 <0.50 0.64 0.80 <br /> M-27A PDB 102.5 Quarterly Quarterly 01/13/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-27A PDB 102.5 Quarterly Quarterly 05/18/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-28A PDB 92.5 Annual Annual 05/18/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-32A PDB 74.5 Quarterly Quarterly 01/24/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-32A PDB 74.5 Quarterly Quarterly 04/10/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-34A PDB 86.5 Quarterly Quarterly 01/11/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-34A PDB 86.5 Quarterly Quarterly 04/06/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-35A PDB 117.5 Quarterly Quarterly 01/11/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-35A PDB 117.5 Quarterly Quarterly 04/06/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-35B PDB 67.5 Quarterly Quarterly 01/11/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-35B PDB 67.5 Quarterly Quarterly 04/06/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-38A PDB 117.5 Quarterly Quarterly 01/24/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-38A PDB 1 117.5 1 Quarterly I Quarterly 1 04/10/12 1 <1.0 1 <0.50 1 <0.50 1 <0.50 1 <0.50 <br /> Page 2 of 4 <br />