Answer the following statement(s) true (T) or false (F)
1. The Underwriters Laboratories Inc. (UL) performs product safety tests and certifications for laboratory use only.
2. The EPA sets the standards for contaminant levels in our drinking water that are considered safe to drink.
3. The MCL is legally enforceable.
4. The MCLG is legally enforceable.
5. The source of outdoor air pollution (Figure 3.12) may be classified into three broad categories: the stationary sources, the mobile sources, and the natural sources.
1. False
2. True
3. True
4. False
5. True
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A. True B. False
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