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0 <br /> I <br /> 9 = Gasoline does not+nclude MTBE <br /> h = Casing elevation altered due to welthead maintenance <br /> = A copy of the documentation for this data can be found in Blame Tech Services report 010501 S 2 MTBE data for the March 2 1993 sampling event has been destroyed No chromatograms could be <br /> located for MTBE data from wells MW 1 MW 2 MW 3 MW-4 MW 7 MW 8 MW 9 MW 10 sampled on June 23 1993 well MW 5 sampled on April 8 19943 and well MW4 sampled on October 10 1994 <br /> j = Unable to locate well <br /> k = For the first quarter 2003 TPH-g BTEX and MTBE were analyzed using EPA Method B260B <br /> I = This sample was analyzed beyond the EPA recommended holding time The results may still be useful for their intended purposes <br /> m = The concentration indicated for this analyte is an estimated value above the calibration range of the instrument <br /> n = The result was reported with a possible low bias due to the continuing calibration verification falling outside the acceptance criteria <br /> o = Primary and confirmation results varied by greater than 40%RPD The results may still be useful for their intended purpose <br /> p = Qualifier not used <br /> q = Qualifier not used <br /> r = The sample was diluted due to the presence of high levels of non target analytes resulting in elevated reporting limits <br /> s = Sheen in well <br /> t - TPH-g BTEX and MTBE were mistakenly analyzed by EPA Method 8260B The lab has been informed of their error and future samples will be analyzed by Methods 8015M and 8021B <br /> u = Primary and confirmation results varied by greater than 40%RPD The results may still be useful for their intended purposes <br /> v = Wells were gauged after well development of new monitoring well MW 14 <br /> w = In the Fourth Quarter 2003 the laboratory modified the report analyte Inst TPH-g was changed to GRO The resulting data may be impacted by the potential inclusion of non TPH g analytes wsthm <br /> the requested fuel range resulting in a higher concentration being reported <br /> x = Begmning second quarter 2004 the carbon range fro GRO was changed from C6-CIO to C4 C12 <br /> y = Wells were resurveyed on 315104 and 3126!04 indudmg nearby ARCO 2121 <br /> z = MW 5 was not surveyed in March 2004 The well is in the process of being resurveyed <br /> as = Reporting limits were raised due to a high level of non target analytes present in sample <br /> bb = Sheen in well <br /> cc = Possible low bias due to CCV falling outside acceptance criteria <br /> NOTES <br /> Source The data within this table collected prior to 2006 was provided to SECOR by BP and their previous consutlanls SECOR has not verified the accuracy of this information <br /> Beginning in the fourth quarter 2003 the laboratory modified the analyte list TPH-g was changed to GRO The resulting data may be impacted by the potential of non TPH-g analytes within the requested fuel range <br /> resulting in a higher concentration being reported <br /> Beginning in the second quarter 2004 the carbon chain range for GRO was changed from C6 CIO to C4 C12 <br /> Values for pH and DO were obtained through field measurements <br /> Casing elevations surveyed to the nearest 0 01 It MSL <br /> Groundwater elevations adjusted assuming a specific gravity of 0 75 for free product <br /> I <br /> 1 <br /> I IBP-ARC0105 BP-COP Sites1111941Tab1es106-Q1111194_Table 1 2 SECOR International Inc <br />