*Pre-release of Final Rule — Environmental Protection Agency
...reviewed as a potential alternative to EPA Method 320 (77 FR 63575). In the preamble to the proposed amendments, the EPA stated, "All data and information EPA has received in support of the stack testing method used EPA Method 320. Since this industry contains specialized gases in low concentrations, EPA would prefer to have supporting data prior to approving another test method. Because of this, we are not proposing this standard as an acceptable alternative for EPA Method 320 in this proposed...Please see full at: https://s3.amazonaws.com/public-inspection.federalregister.gov/2013-23804.pdf
*NOTE: This is a pre-release version of this Final Rule. It will be formally published on Nov 13, 2013 in the Federal Register.