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TABLE 1 HECKLIST OF REQUIRED DATA FOR NO FURTHER ACTION REQUESTS AT UNDERGROUND TANK SITES Bunker C Fuel Oil Vault Release, site Name and Location: Spreckels Sugar, Trac CA WOO' Distance to production wells for municipal, domestic, agriculture, industry and other uses within 2000 feet of the site; Figure 1, Schmidt & Associates, 11/25/98 i Site maps, to scale, of area impacted showing locations of former and existing tank systems, excavation contours and sample locations, boring and monitoring well elevation contours, gradients, and nearby surface waters, buildings, streets, and subsurface utilities; Factory Drawing 3.. Figures depicting iithology (cross section), treatmen## syste di rams Cross Section A-A`, B-� chmidt & Assoc., 11125/98 4. Stockpiled soil remaining on-site or off-site disposal (quantity; 51, �' Monitoring wells remaining on-site, fate; To be destroyed upon approval of closure 5'.. +00 Tabulated results of all groundwater elevations and depths to water, From Spreckels File ?: le Tabulated results of all sampling and analyses: From Spreckels File Detection limits for confirmation sampling Lead analyses S. �_ Concentration contours of contaminants found and those remaining in soil and groundwater, both on- site and off-site: To be included in closure report Lateral extent of soil contamination i Vertical extent of soil contamination Lateral extent of groundwater contamination Vertical extent of groundwater contamination p. OF' zone of influence calculated and assumptions used for subsurface remediation: system and the zone of capture attained for the soil and groundwater remediation system; To be included in final report 10. _WO' Reports 1 information _ Unauthorized Release Form (URF) From County Files QMRs (Dates) From Spreckels Files PAR Harding Lawson 11/20/94 FRP To be included in closure report Other (report name) None Well and boring logs From Spreckels Files 11. %49' Best Availabie Technology (BAT) used or an explanation for not using BAT; Passive Bioremediation i2. Reasons why "background"wasfs unattainable using $AT; Background will be achieved over time i 13. %1W Mass balance calculation of substance treated versus that rer13ai in'included in final closure report I 14. r6' Assumptions, parameters, calculations and model used in risk assessments, and fate and transport � modeling; ASTM Risk Based Corrective Action 15. 'Rationale why conditions remaining at site will not adverseiy impact water quality, health, or other beneficial uses; and Lack of migration coupled with distance to receptors 10, WW i or TCLP results and passive bioremediation Comments: No migration occurring. Constituents will naturally biograde before reaching receptors Impacted soil and groundwater sits under, the factory. BY: 4