ARCHIVED REPORTS_XR0002012 - Laserfiche WebLink

Home Browse Search

Table 1 Groundwater Elevation and Analytical Data SP Oil Site No 11191 1469 West Hammer Lane, Stockton, CA WELL DATE OF PMP CASING DEPTH TO PRODUCT GROUNDWATER GROUNDWATER TPHg B T E X MtBE DO ID SAMPLING/ ELEVATION WATER THICKNESS ELEVATION ELEVATION (mg/L) (mg/L) (mg/L) (mg/L) (mg1L) (mg/L) (mg/L) MONITORING (Feet) (Feet) (Feet) (Feet) CHANGE (Feet) MW-6 2003 a 22 0 45-9—r--- -2388 <50 <0 5 <0 5 <0 6 <0 5 <2 6 --- 7/11/2003 P 2207 4965 •-- -2758 -370 <50 <0 5 <0 5 <0 5 <05 <0 5 34 4/1012003 a 22 43 4630 -23 --- <50 <0 5 <0 5 <0 5 <0 5 <2 6 --- 7/1112003 P 2243 4960 --- -2717 -330 <50 <0 5 <0 5 <0 5 <0 5 <0 5 39 ABBREVIATIONS TPHg Total petroleum hydrocarbons as gasoline(reported as GRO) NP Well was not purged prior to sampling B Benzene by 8260 P Well was purged of three casing volumes prior to sampling T Toluene by 8260 --- Not analyzed/applicable/measurable E Ethylbenzene by 8260 (a) TPHg and BTEX analyzed by 801513/80218,MtBE reported as 82606 X Total xylenes by 8260 (b) The wells were surveyed on March 21,2003 by Morrow Surveying MTBE Methyl tart butyl ether DO Dissolved oxygen AgIL Micrograms per liter mg/L Milligrams per liter Data Qualifier Definitions U The analyte was analyzed for,but was not detected above the sample reporting limit J The analyte was positively identified,the associated numerical value is the approximate concentration of the analyte in the sample N The analysis indicates the presence of an analyte for which there is presumptive evidence to make a"tentative identification NJ The analysis indicates the presence of an analyte that has been"tentatively identified"and the associated numerical value represents its approximate concentration UJ The analyte was not detected above the reported sample reporting limit However,the reported reporting limit is approximate and may or may not represent the actual limit of quantitation necessary to accurately and precisely measure the analyte in the sample R The sample results are rejected due to serious deficiencies in the ability to analyze the sample (i e,the presence or absence of the analyte cannot be vefified)or the analyte identification has been rejected(i a,the presence of the analyte cannot be verified) ND Not detected above reported detection limit K IW procass\A BP ARGQ\111911Quarterlo QTR 03/11191 GW MR 3003 Page 2 of 2