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TABLE 1 CHECKLIST OF REQUIRED DATA FOR NO FURTHER ACTION REQUESTS Site Name and Location: US Can—Welty Road, Vernalis, San Joaquin County, California ® 1. Distance to production wells for municipal, domestic, agriculture, industry, and other uses within 2,000 feet of the site. ®2. Site maps,to scale, of impacted area showing locations of any former and existing tank systems; excavation contours and sampling locations; boring and monitoring well elevation contours; gradients; and nearby surface waters, buildings, streets, and subsurface utilities. ❑ 3. Figures depicting lithology(cross section),treatment system diagrams. N/A ❑ 4. Stockpiled soil remaining on site or off-site disposal (quantity). N/A ❑ 5. Monitoring wells remaining on site;fate. N/A ® 6. Tabulated results of all groundwater elevations and depths to water. See Appendix B.20 ® 7. Tabulated results of all sampling and analyses: ❑ Detection limits for confirmation sampling N/A ® Lead analyses ® 8. Concentration contours of contaminants found and those remaining in soil and groundwater, both on site and off site: ® Lateral and ®Vertical extent of soil contamination ® Lateral and ®Vertical extent of groundwater contamination ❑ 9. Zone of influence calculated and assumptions used for subsurface remediation system and the zone of capture attained for the soil and groundwater remediation system: N/A ® 10. Reports/information ❑ Unauthorized Release Form ® QMRs(2005-2009) ®Well and boring logs ❑ PAR ❑ FRP ® Other(Appendix B) ® 11. Best Available Technology(BAT)used or an explanation for not using BAT. ® 12. Reasons why background was/is unattainable using BAT. ❑ 13. Mass balance calculation of substance treated versus that remaining: N/A ® 14. Assumptions, parameters, calculations, and model used in risk assessments, and fate and transport modeling. ® 15. Rationale why conditions remaining at the site will not adversely impact water quality, health, or other beneficial uses. ❑ 16. WET or TCLP results: N/A By: Sean Gehlke Comments: Date: 2/18/2013 Page 1 of I SAII: