New chemicals must be tested by the manufacturers before marketing,and the manufacturers must keep records of the test results,but they need to report results to the EPA only for chemicals found to pose an environmental or health risk.

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The Answer of New chemicals must be tested by the manufacturers before marketing,and the manufacturers must keep records of the test results,but they need to report results to the EPA only for chemicals found to pose an environmental or health risk.

New Chemicals Must Be Tested by the Manufacturers Before Marketing,and