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October 25, 1993 ' <br /> 55-gal Department of Transportation 17-E rated drums and left onsite for temporary storage <br /> Appropriate disposal methods will be selected based on results of sample analyses <br /> Following groundwater stabilization, each well was purged on October 1, 1993, using a <br /> 2-in submersible automatic pump Three to five casing volumes were removed and <br /> groundwater field parameters of pH, temperature and electric conductivity were measured �! <br /> Table 1 presents the stabilized field parameter data and subjective evidence of contarnmation for <br /> each well <br /> t� <br /> TABLE 1 _ <br /> GROUNDWATER MONITORING WELL DATA <br /> PUNLA PROPERTY <br /> 1587 FRENCH CAMP TURNPIKE <br /> STOCKTON CALIFORNIA <br /> Well Number Depth to Subjective , <br /> and Date Water ft Evidence po T of K <br /> 14/01/93 - (� <br /> MW1 3965 - NONE 753 714 3430 <br /> MW2 3831 NONE 715 732 2000 <br /> MW3 3917 NONE 773 742 2870 <br /> T = Temperature (Degrees Fahrenheit) <br /> �K= Eonductivity-in nucromhos <br /> pH= Hydrogen ton concentration <br /> { -Depth to water measured-in feet below-top-of utilily box <br /> Following purging and groundwater recovery to 90 percent of briginal levels, - <br /> groundwater was sampled using disposable plastic bailers The water samples were transferred <br /> into laboratory-cleaned 1-liter amber glass, 500 ml plastic, and 40-m1 glass receptacles and <br /> sealed with Teflon-lined lids The samples were labeled and immediately placed in iced storage <br /> Chain of Custody records were initiated by the field geologist and accompanied the samples <br /> during transport to the analytical laboratory Copies of these records are included in Appendix <br /> B <br /> ROGER <br /> R <br /> , � -6 - FQDTT <br />