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guidance. <br /> 3 . Page 4-1, Section 4.0.0 <br /> It should be clarified that a remedial action goal can be <br /> protective of either human health or the environment, and is <br /> not necessarily restricted to human health only. <br /> 4 . Page 4-1, Section 4. 0. 0 <br /> It should be clarified that the human health risk assessment <br /> does not determine whether there are or are not health <br /> risks, but instead determines the level or probability of <br /> potential risks. Risk managers then decide the level of <br /> risk that is acceptable and make remedial decisions based on <br /> that determination. The determination that there are no <br /> risks is a risk management function and not a risk <br /> assessment function. <br /> 5 . Page 4-1, Section 4. 0.0 <br /> The second to last sentence should read " . . . impacts of <br /> contaminants from the depot. . . . " <br /> 6. Page 4-2, Section 4 . 0.3 <br /> First bullet should read " . . . actual or •potential effects. <br /> n <br /> 7 . Page 4-4, Section 4 . 1. 1 <br /> The current work plan is supposed to be the "detailed risk <br /> assessment plan" . These are not provided in the current <br /> work plan. DDRW-Tracy has not met the requirements of the <br /> FFA in this Work Plan. <br /> 8 . Page 4-4, section 4.2 <br /> Since source migration pathways are identified in the <br /> current plan, could have been a preliminary model of <br /> exposure pathways developed. <br /> 9. Page 4-5, Section 4.2.3 <br /> The concept of evaluating site-related health risks by <br /> breaking the site into smaller units appears to be an <br /> acceptable approach to this site. However, the units <br /> identified in this plan do not appear to have been developed <br /> with a clear sense of the possible exposures at the site. <br /> For example, the SWMUs are to be evaluated as a single unit <br /> according to the plan. However, the SWMUs are both <br /> chemically and geographically diverse and would be better <br /> II-2 l <br /> I <br />