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Table 3.3: Volatile Organic Compounds,Analytical Results,Lower Aquifer Wells <br /> 2010 Annual Report <br /> Former Nestle USA,Inc.Facility <br /> Ripon,CA <br /> SampleLocation Sample Method Average PDB Sampling Sample Chloroform cis-1,2- trans-1,2- Trichloroethene Vinyl Chloride Comments/Others <br /> Depth(ft,bgs) Frequency Date Dichloroethene Dichloroethene <br /> USEPA Method 8021 and 524,micrograms per liter(pg/L) <br /> M-36D PDB 232.5 Q* 1/14/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-36D PDB 232.5 Q. 4/16/10 <0.50 <0.50 <0.50 <0.50 <0.50 Sampling frequency SA per 2010 <br /> MRP <br /> M-36D 4/16/10 <1.0 <0.50 <0.50 <0.50 <0.50 Duplicate <br /> M-36D PDB 232.5 SA 1112/10 <1 <0.5 <0.5 <0.5 <0.5 <br /> M-36D 11/2/10 <1 <0.5 <0.5 <0.5 <0.5 DUP <br /> M-37D PDB 231.5 Q* 1/14/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-37D PDB 231.5 Q. 4/16/10 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-37D 4/16/10 <0.50 <0.50 <0.50 <0.50 <0.50 Duplicate <br /> M-37D PDB 231.5 Q 7/2/2010 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-37D PDB 231.5 Q 1112/10 <1 <0.5 <0.5 <0.5 <0.5 <br /> M-38D PDB 233.5 Q* 1/15/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-38D PDB 233.5 Q* 4/16/10 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-38D PDB 233.5 Q 7/8/2010 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-38D PDB 233.5 Q 10/15/10 <1 <0.5 <0.5 <0.5 <0.5 <br /> M-40D PDB 249.5 Q* 1/14/10 <1.0 0.86 <0.50 5.2 <0.50 <br /> M-40D PDB 249.5 Q* 04/19/10 <1.0 1.1 <0.50 6.8 <0.50 <br /> M-40D PDB 249.5 Q 7/8/2010 <1.0 0.88 <0.50 5.5 <0.50 <br /> M-40D PDB 249.5 Q 10/21/10 <1 0.83 <0.5 5.5 <0.5 <br /> M-41D PDB 222.5 Q* 1/18/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-41D PDB 222.5 Q* 4/19/10 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-41 D Low flow purge 222.5 Q 8/5/2010 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-41D PDB 222.5 Q 10/15/10 <1 <0.5 <0.5 <0.5 <0.5 <br /> M-43D PDB 228 Q* 1/18/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-43D PDB 228 Q. 04/19/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-43D PDB 228 Q 7/8/2010 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-43D PDB 228 Q 10/21/10 <1 <0.5 <0.5 <0.5 <0.5 <br /> M-45D PDB 226.5 Q* 1/14/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-45D PDB 226.5 Q* 04/12/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-45D PDB 226.5 Q 7/2/2010 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-45D PDB 226.5 Q 10/15/10 <1 <0.5 <0.5 <0.5 <0.5 <br /> Notes: <br /> B: Biennial sampling(odd-numbered years) <br /> A: Annual sampling <br /> SA: Semi-annual sampling <br /> M:Monthly sampling <br /> Q: Quarterly sampling <br /> NS:Not Sampled <br /> NR:Not Required. <br /> Well not listed in the MRP. <br /> -:Data Not available or Unknown. <br /> (a)Sampling frequency was modified in the ECM,Inc.Final Lower Aquifer Zone Investigation and Additional Well Installation Work Plan,Former Nestle USA,Inc.Facility,Ripon,CalifomipNovember 3,2006. <br /> Blue text indicates revised sampling frequency per 2010 MRP. <br /> Page 2 of 2 <br />