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TABLE 2 <br /> HISTORICAL GROUNDWATER ELEVATION AND ANALYTICAL DATA <br /> Crop Production Services,Inc. <br /> 1905 N.Broadway Avenue <br /> Stockton,California <br /> Nitrogen Compounds VOCs Fumigants <br /> Groundwater <br /> Well ID Depth to Water Total <br /> (TOC ft small Sample Date (ft below TOC) Elevation TON 1,2,-DCP 1,2,3-TCP DBCP EDB <br /> (feet amsl) (mg/L) Ammonia-N (N9/L) (pg/L) (pg/L) (pg/L) <br /> (mg/L) <br /> CDPH Maximum Contaminant Level 10 5.0 0.2 0.05 <br /> CDPH Response Level I Notification Level 0.5/0.005 <br /> MW-21 7/8/2004 60.76 -36.26 <0.10 <0.10 2.1 0.031 <0.020 <0.020 <br /> (cont.) 1/5/2005 61.42 -36.92 8.9 <0.10 2.2 0.023 <0.020 <0.020 <br /> 7/14/2005 55.87 -31.37 6.5 <0.1 2.6 0.022 <0.02 <0.02 <br /> 1/31/2006 50.42 -25.92 7.5 0.14 <1.0 0.047 <0.020 <0.020 <br /> 8/2/2006 50.01 -25.51 6.4 <0.10 <1.0 0.044 <0.020 <0.020 <br /> 1/24/2007 48.62 -24.12 21 <0.10 1.4 0.048 <0.020 <0.020 <br /> 7/16/2007 50.55 -26.05 5.0 0.28 <1.0 0.10 <0.020 <0.020 <br /> 2/26/2008 51.11 -26.61 4.4 <0.10 - 0.12 <0.020 <0.020 <br /> 7/30/2008 56.66 -32.16 - - - 0.051 - --- <br /> 9/24/2009 62.23 37.73 - - <1.0 <0.5 - <br /> 10/25/2010 52.61 -28.31 - - - 0.018 - <br /> 3/20/2011 48.17 -23.67 - - - - - <br /> 8/22/2011 47.18 -22.68 - - - 0.20 - <br /> 4/23/2012 44.73 -20.23 - - - - - <br /> 9/7/2012 46.60 -22.10 - - - 0.21 - <br /> 3/4/2013 48.62 -24.12 - - - - - <br /> 9/5/2013 50.70 -26.20 - - - 0.17 - <br /> 2/10/2014 49.33 -24.83 - - - - - <br /> 9/15/2014 55.54 -31.04 - - 0.23 --- --- <br /> 3/16/2015 54.98 -30.49 - - - --- --- <br /> 8/17/2015 58.92 -34.42 - - 0.28 --- --- <br /> 3/7/2016 57.03 -32.53 -- - - --- --- <br /> 8/9/2016 59.05 -34.55 - --- -- 0.31 --- --- <br /> 9/14/2017 50,69 -26.19 --- -- --- - -- -- <br /> General Notes: Analytical methods: <br /> ft amsl= Feet above mean sea level TON- Total ondzed nitrogen(nitrate-N+nitrite-N) <br /> TOC= Top of casing Total ammonia-N- Ammonia as nitrogen(ammonia-N+ammonium-N) <br /> mg/L= Milligrams par Ther DBCP- 12-dibromo-3-chloropropane <br /> pg/L- Micrograms per liter IDB= 12-dbromoethane <br /> -= Not measured or not analyzed 12-DCP= 12-dichloropropene <br /> <0.10= Analyte not detected above specific laboratory method reporting limit 12,3-TCP= 12,3-trichloropropene <br /> ND= Analyte not detected Nitrogen Compounds by SM 4500 or EPA method 3532 <br /> CDPH= California Department of Public Health DBCP 8 EDB=by FPA method 504.1 or EPA method 82608 <br /> DRY=Less than 1 foot of water in well. 12-DCP by EPA method 8260C <br /> =Well purged dry,sample not collected. 12,3-TCP by SRL 524.2M <br /> D=Duplicate sample <br />