Take the following as truth: The Clean Air Act Amendments (CAAA) Section 812 Prospective Study of Costs and Benefits (1999): Advisory by the Health and Ecological Effects Subcommittee on Initial Assessments of Health and Ecological  Part 1. July.
Then the following statement: "The Clean Air Act Amendments was very controversial when it was passed." is true, false, or inconclusive?
Answer: Inconclusive