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In anticipation of the EPA's expected change to the Noise Reduction Rating (NRR), Howard Leight has issued a brochure that explains known details of the proposed changes for hearing protectors. Titled, "Inside the EPA's Proposed Change to the Noise Reduction Rating," the brochure is designed as a handy information resource for safety managers, providing background on the impending new rating system and the ANSI testing protocols on which it is expected to be based.
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