ARCHIVED REPORTS_SITE STATUS REPORT 2012 3RD QUARTER

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Table 3.1: Volatile Organic Compounds in Upper Aquifer Wells Third Quarter 2012 Site Status Report Former Nestle USA, Inc. Facility, Ripon, CA Sample Average PDB MRP Actual Sample cis-1,2- trans-1,2- Trichloro- Vinyl Well ID Method Depth (ft, bgs) Sampling Sampling Date Chloroform Dichloroethene Dichloroethene ethene Chloride Comments/Others Frequency Frequency USEPA Method 82608, micrograms per liter (pg/L) M-48A PDB 52.5 Quarterly Quarterly 02/23/12 <1.0 <0.50 <0.50 0.71 <0.50 M-48A Duplicate 02/23/12 <1.0 <0.50 <0.50 0.70 <0.50 M-48A PDB 52.5 Quarterly Quarterl 05/17/12 1.1 <0.50 <0.50 <0.50 <0.50 M-48A PDB 52.5 Quarterly Quarterl 08/08/12 <1.0 <0.50 <0.50 0.79 <0.50 M-49A PDB 52.5 Quarterly Quarterl Y2 01/03/12 <1.0 2.4 <0.50 160 <0.50 M-49A PDB 52.5 Quarterly Quarterly2 01/09/12 <1.0 2.3 <0.50 160 <0.50 M-49A PDB 52.5 Quarterly Quarterly2 01/16/12 <1.0 2.4 <0.50 160 <0.50 M-49A PDB 52.5 Quarterly Quarterly2 02/23/12 <1.0 2.7 <0.50 170 <0.50 M-49A PDB 52.5 Quarterly Quarterly 05/17/12 <1.0 2.8 <0.50 190 <0.50 M-49A PDB 52.5 Quarterly Quarterl 08/09/12 <1.0 2.9 <0.50 180 <0.50 M-50A PDB 62.5 Not Listed I Quarterly2 01/03/12 <1.0 <0.50 <0.50 25 <0.50 M-50A Du licate 01/03/12 <1.0 <0.50 <0.50 25 <0.50 M-50A PDB 62.5 Not Listed Quarterl Y2 01/09/12 <1.0 <0.50 <0.50 31 <0.50 M-50A PDB 62.5 Not Listed Quarterl Y2 01/16/12 <1.0 <0.50 <0.50 44 <0.50 M-50A Duplicate 01/16/12 <1.0 <0.50 <0.50 43 <0.50 M-50A PDB 62.5 Not Listed Quarterly2 02/23/12 <1.0 <0.50 <0.50 2.5 <0.50 M-50A PDB 62.5 Not Listed Quarterly 05/17/12 <1.0 <0.50 <0.50 3.2 <0.50 M-50A PDB 62.5 Not Listed Quarterl 08/08/12 <1.0 <0.50 <0.50 2.2 <0.50 M-51 A PDB 55.5 Not Listed Quarterly2 01/03/12 79 <0.50 <0.50 2.2 <0.50 1,1-DCA: 0.89; M-51 A PDB 55.5 Not Listed Quarterly2 01/09/12 62 <0.50 <0.50 2.2 <0.50 1,1-DCA: 0.73; M-51 A PDB 55.5 Not Listed Quarterly2 01/16/12 55 <0.50 <0.50 2.2 <0.50 1,1-DCA: 0.67; M-51A PDB 55.5 Not Listed Quarterly2 02/23/12 42 <0.50 <0.50 1.3 <0.50 M-51A PDB 55.5 Not Listed Quarterly 05/17/12 32 <0.50 <0.50 1.5 <0.50 M-51A PDB 55.5 Not Listed Quarterl 08/08/12 29 <0.50 <0.50 1.1 <0.50 M-51A Du licate 08/08/12 27 <0.50 <0.50 1.2 <0.50 M-52B PDB 34.5 Not Listed Quarterl 01/24/12 <1.0 <0.50 <0.50 1.3 <0.50 M-52B PDB 34.5 Not Listed Quarterly 04/06/12 <1.0 <0.50 <0.50 2.4 <0.50 M-52B PDB 34.5 Not Listed Quarterl 08/09/12 <1.0 <0.50 <0.50 3.2 <0.50 M-53B PDB 39.5 Not Listed Quarterly 01/24/12 <1.0 <0.50 <0.50 3.3 <0.50 M-53B PDB 39.5 Not Listed Quarterl 04/06/12 <1.0 <0.50 <0.50 2.5 <0.50 M-53B PDB 39.5 Not Listed Quarterl 08/08/12 1 <1.0 <0.50 <0.50 3.0 <0.50 Notes: Highlighting = Current quarter Bold Result = Detection above laboratory reporting limit 1 = Quarterly sampling because well is pumping 2 = Additional samples collected as part of IRAP system (EU-3) shutdown test NS = Not Sampled 1,1-DCE = 1,1-dichloroethene Biennial = Sampled in odd-numbered years NR = Sampling Not Required. 1,1-DCA = 1,1-dichloroethane PDB = passive diffusion bag - = Data Not available or Unknown. Page 4 of 4