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f <br /> y <br /> Adrienne Ellsaesser [EH]. <br /> From: John Yoakum [EH] <br /> Sent: Monday,January 06, 2014 3:44 PM <br /> To: Adrienne Ellsaesser [EH] <br /> Subject: RE: Spingolo Trucking, 1011 Broadway, Stockton <br /> Adrienne, <br /> To the best of my knowledge, we have not destroyed any wells at this location. <br /> I have not issued any permits for this site, nor have I ever been on this site. <br /> Johnny Yoakum <br /> Senior REHS <br /> San Joaquin County <br /> Environmental Health Department <br /> From: Adrienne Ellsaesser [EH] <br /> Sent: Monday, January 06, 2014 11:18 AM <br /> To: John Yoakum [EH]; Barton, Jim@Waterboards (jim.barton(dwaterboards.ca.gov) <br /> Cc: Nuel Henderson [EH] <br /> Subject: FW: Spingolo Trucking, 1011 Broadway, Stockton <br /> The letter I wrote to them to destroy the wells required the destruction to happen by now. Do you know if they.were? <br /> Thanks <br /> Adrienne <br /> From: Nuel Henderson [EH] <br /> Sent: Friday, October 25, 2013 1:23 PM <br /> To: Adrienne Ellsaesser [EH], <br /> Subject: RE: Spingolo Trucking, 1011 Broadway, Stockton <br /> Odd results yes, but 69 mg/kg TPHg at 60 feet bsg seems real enough; the 65-ft data may be due to cross contamination <br /> from shallower depth—but then the well bore will still have passed through an impacted zone. Assuming the well <br /> casing/screen extends to or through 60,Feet bsg, we'd require removal of the well contents. Many wells penetrate or are <br /> screened in impacted soil but yield ND analytical results for water samples.I think there are several-possible contribution <br /> factors that may account for this: <br /> 1) The sorbed contaminants in soil have been reduced by natural attenuation and,dissolving into water such that the <br /> flux rate is equaled or exceeded by the natural attenuation rate; <br /> 2) The water sampled in the well was derived primarily from un-impacted zone(s)which diluted what contaminants <br /> did flux into water below the detection limit; or <br /> 3) A combination of 1) and 2); or <br /> 4) The well screen is submerged, the well is pumped at the bottom, but fails to evacuate the casing, and the sample <br /> was collected by bailer, which essentially samples unpurged casing water long.subjected to biological <br /> degredation. <br /> Nuel <br />