Rec. A.1.b: The DoD OIG recommended that the Under Secretary of Defense for Acquisition and Sustainment revise DoD Instruction 4715.18 to include requirements for Emerging Chemical Program officials to develop risk management options and initiate proactive risk management actions which may be warranted to identify and mitigate the contaminant effects of emerging chemicals as early as possible in the Emerging Chemical Process, regardless of whether an emerging chemical is on the Emerging Chemical Watch List or the Emerging Chemical Action List.