ARCHIVED REPORTS_SITE STATUS REPORT 2009 2ND QUARTER

Home Browse Search

Table 3.1: Volatile Organic Compounds,Analytical Results,Vapor Extraction Wells and Upper Aquifer Wells Second Quarter 2009 Site Status Report Former Nestle USA, Inc.Facility, Ripon,CA Samplel-ocation Sample Method Average PDB Sampling Frequency Sample Chloroform cis-1,2- trans-1,2- Trichloroethene Vinyl Chloride Comments/Others Depth(ft,bgs) Date Dichloroethene Dichloroethene USEPA Method 8021 and 524,micrograms per liter(pg/L) M-39A PDB 107.5 Q. 4/23/09 <1 <0.5 <0.5 <0.5 <0.5 M-41A PDB 109.5 Q. 2/9/09 <1 6.3 <0.5 2 1 M-41A PDB 109.5 Q. 4/10/09 <1 5.6 <0.5 1.6 0.94 M-42A PDB 106.5 Q. 1/30/09 <1 <0.5 <0.5 <0.5 <0.5 M-42A PDB 106.5 Q. 4/28/09 <1 <0.5 <0.5 <0.5 <0.5 M-42A - 4/28/09 <1 <0.5 <0.5 <0.5 <0.5 Duplicate M-44A PDB 102.5 Q. 1/30/09 <1 <0.5 <0.5 <0.5 <0.5 M-44A PDB 102.5 Q. 4/28/09 <1 <0.5 <0.5 <0.5 <0.5 M-45A PDB 100.5 Q. 1/26/09 <1 <0.5 <0.5 <0.5 <0.5 M-45A PDB 100.5 Q. 4/23/09 <1 <0.5 <0.5 <0.5 <0.5 M-46A PDB 52.5 Q. 2/9/09 <1 <0.5 <0.5 50 <0.5 M-46A PDB 52.5 Q. 4/30/09 <1 <0.5 <0.5 38 <0.5 M-47A PDB 52.5 Q. 2/9/09 7.9 <0.5 <0.5 14 <0.5 1,1-DCE:1.1;1,1-DCA:4.8 M-47A - 2/9/09 7.1 <0.5 <0.5 12 <0.5 1,1-DCE:0.75;1,1-DCA:3.8;Duplicate M-47A PDB 52.5 Q. 4/30/09 14 <0.5 <0.5 8.1 <0.5 1,1-DCE:2.1;1,1-DCA:11; LM_48A PDB 52.5 Q* 2/9/09 <1 <0.5 <0.5 2.5 <0.5 PDB 52.5 Q* 4/30/09 1 <0.5 <0.5 3.2 <0.5 PDB 52.5 Q* 4/30/09 <1 1 <0.5 96 <0.5 PDB 52.5 Q. 4/30/09 <1 0.85 <0.5 78 <0.5 Notes: 1,1-DCE=1,1-dichloroethene (d)Sample if it becomes operational. 1,1-DCA=1,1-dichloroethane (e)Sampling interval changed to quarterly per the IRAP workplan(ECM,2007). B: Biennial sampling(odd-numbered years) Inf/Eff: Influent and Effluent sampling(occurs monthly for operating extraction wells) A: Annual sampling SA: Semi-annual sampling in second and fourth quarters,typically. M:Monthly sampling Q: Quarterly sampling NS:Not Sampled NR:Sampling Not Required. -:Data Not available or Unknown. Well not listed in MRP Page 3 of 3