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Table 3.2: Volatile Organic Compounds,Analytical Results,Intermediate Aquifer Wells <br /> 2010 Annual Report <br /> Former Nestle USA,Inc.Facility <br /> Ripon,CA <br /> Sample Sample Method Average PDB Sampling Sample Chloroform cis-1,2- trans-1,2- Trichloroethene Vinyl Comments/ <br /> Location Depth(ft,bgs) Frequency Date Dichloroethene Dichloroethene Chloride Others <br /> USEPA Method 8021 and 524,micrograms per liter(pg/L) <br /> M-34C PDB 137.5 Q* 1/14/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-34C 1/14/10 <1.0 <0.50 <0.50 <0.50 <0.50 Duplicate <br /> M-34C PDB 137.5 W 4/16/10 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-34C PDB 137.5 Q 7/2/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-34C PDB 137.5 Q 11/2/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-36C PDB 136.5 Q* 1/14/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-36C PDB 136.5 Q* 4/16/10 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-36C PDB 136.5 Q 7/2/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-36C PDB 136.5 Q 11/2/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-36C 11/2/10 <1.0 <0.50 <0.50 <0.50 <0.50 Duplicate <br /> M-38C PDB 135.5 Q* 1/15/10 <1.0 <0.50 <0.50 0.69 <0.50 <br /> M-38C PDB 135.5 Q* 4/16/10 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-38C PDB 135.5 Q 7/8/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-38C PDB 135.5 Q 10/15/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-39C PDB 156.5 Q* 1/14/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-39C PDB 156.5 Q* 4/12/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-39C PDB 156.5 Q 7/2/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-39C PDB 156.5 Q 10/15/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-41C PDB 133.5 Q* 1/18/10 <1.0 21 <0.50 7.4 <0.50 <br /> M-41C 1/18/10 <1.0 23 <0.50 7.9 <0.50 Duplicate <br /> M-41C PDB 133.5 Q* 4/19/10 <0.50 21 <0.50 7.5 <0.50 <br /> M-41C PDB 133.5 Q 7/8/10 <1.0 23 <0.50 7.1 <0.50 <br /> M-41C PDB 133.5 Q 10/15/10 <1.0 21 <0.50 6.7 <0.50 <br /> M-41C 10/15/10 <1.0 22 <0.50 6.9 <0.50 Duplicate <br /> M-44C PDB 135.5 Q* 1/18/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-44C PDB 135.5 Q* 4/19/10 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-44C PDB 135.5 Q 7/8/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-44C PDB 135.5 Q 10/15/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-45C PDB 130.5 Q* 1/14/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-45C PDB 130.5 Q. 4/12/10 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-45C PDB 130.5 Q 7/2/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-45C PDB 130.5 Q 10/15/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-54C PDB 157.5 Q* 1/18/10 <1.0 67 1.7 26 57 1,1-DCE:1.0 <br /> M-54C PDB 162.5 Q* 1/18/10 <1.0 77 2 31 69 1,1-DCE:1.2 <br /> M-54C PDB 167.5 Q* 1/18/10 <1.0 86 2 33 77 1,1-DCE:1.3 <br /> M-54C PDB 172.5 Q* 1/18/10 <1.0 95 2.6 39 94 1,1-DCE:1.6 <br /> M-54C PDB 172.5 Q* 4/19/10 <1.0 85 2.2 39 77 1,1-DCE:1.5 <br /> M-54C 4/19/10 <1.0 90 2.5 39 76 1,1-DCE:1.4;Duplicate <br /> M-54C Low flow purge 172.5 Q* 8/5/10 <1.0 98 2.7 40 160 <br /> IM-54C PDB 172.5 Q* 10/21/10 <1.0 77 2.1 1 33 1 68 1,1-DCE:1.3 <br /> Notes: <br /> 1,1-DCE=1,1-dichloroethene <br /> B: Biennial sampling(odd-numbered years) *Well not listed in the MRP <br /> A: Annual sampling :Data Not Available or Unknown <br /> SA: Semi-annual sampling NR:Sampling Not Required <br /> M:Monthly sampling NS:Not Sampled <br /> Q: Quarterly sampling Blue text indicates a change to the sampling frequency per the 2010 MRP <br /> Page 3 of 3 <br />