EPA has released the Direct Final Rule including the "official" versions of Methods 30A and 30B as they will appear in the Federal Register. The Direct Final should be published in the Federal Register in about 3 weeks. When published, there will be a 30-day comment period. If no adverse comments are received by EPA, (please do not send in adverse comments) the rule will be effective in an additional 30-days. A copy of the rule has been posted to our FTP Library.
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