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y <br /> Quarterly Monitoring Report <br />. Heinz Facility,757 E 11th St,Tracy <br /> Page 2 <br /> specifically determined from the on-site wells, the direction can be safely assumed to be <br /> consistent with the nearby sites Monitoring well MW2 is appropriately located to monitor <br /> groundwater downgradient from the excavation and MW3 is adequate for upgradient <br /> observations <br /> The water samples collected from wells MW2 and MW3 on July 27 were analyzed for benzene, <br /> toluene, ethylbenzene and xylenes (BTEX) by EPA method 8020, total petroleum hydrocarbons <br /> as gasoline (TPHG) and total petroleum hydrocarbons as diesel (TPHD) by modified EPA <br /> method 8015 Dissolved petroleum hydrocarbons were not detected at or above method <br /> detection limits in monitoring wells MW2 or MW3. Analytical data is presented on Table 2 <br /> The laboratory data sheets, chain-of-custody, and monitoring data are included as Attachment <br /> 2 <br /> If you have any questions or comments please contact our Escalon office at 2091838-3507 <br /> i <br /> Respectfully, <br /> RESNA Industries Inc <br /> c�' I <br /> Lois Frantz <br /> Project Geologist <br /> Greg P Stahl <br /> CA Registered Geologist No 5032 <br /> LF/gk <br /> Attachments <br /> PC Nick Kosta, BJJ Trucking <br /> RWQCB - Central Valley Region, Elizabeth Thayer <br /> 3QR-1993 FNL <br /> IP <br />