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Policy and Guidance

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Unlike the criteria pollutants, toxics do not have National Ambient Air Quality Standards (NAAQS) making evaluation of their impacts more subjective. Because there are no standards established for MSAT not a lot of policy and guidance documents are available. Note that the interim guidance nor the frequently asked questions document are not a substitute for any laws or regulations, thus do not impose legally binding requirements on EPA, DOT, states, or the regulated community.

Updated: 11/1/2016
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