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Corrective Action: Revise the text to describe more accurately the scope of the report. 18. Section 2.3 Section 2.3.1 (the section entitled "History of CERCLA Enforcement Activities"), is appropriately relevant to the subject of the heading. However, the subsequent seven paragraphs contain information which is less relevant to CERCLA enforcement history at DDRW-Tracy. Further, the last sentence of section 2.3.7 discussion the "state-wide prohibition of land disposal" is not pertinent to this ROD and should be deleted. Also, the text mentions "primary documents" but includes no explanation. Corrective Action: The non-relevant text should be either moved to a more appropriate section of the ROD, after necessary modification, or deleted. Define primary documents for the reader. 19. Section 2.3.4 The text erroneously states that ARARs are "applicable apd relevant and appropriate requirements." Corrective Action: Change "and" to "or." 20. Section 2.3.5 The text implies that local laws are ARARs. However, local laws are not ARARs unless they implement a state requirement. In such cases the state requirement is the ARAR and the local implementing mechanism is cited in the text. Corrective Action: Delete the reference to "local" ARARs here and in all subsequent references (e.g., Section 2.3.7). 21. Section 2.3.7 In section 2.3.7 the discussion of ARARs should include the requirement that a proposed State ARAR must be consistently applied (in addition to promulgated, more stringent, timely identified, etc.). Corrective Action: Modify the text to include the requested discussion. 22. Section 2.3.8 The last sentence states "a summary of ARARs evaluated for OU #1 is provided in Tables 10.1-1 and 10.1-2." However, an "evaluation" will not suffice. The purpose of a ROD, in part, is to make a definite determination of the ARARs for the selected remedial action. Further, the text misstates chemical-specific as "contaminant- specific." EPA/R9 Jme 7, 1993 5/40