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The U.S. Environmental Protection Agency (EPA or the Agency) requested comment on May 06, 2009 (74 FR 21135), on a proposed amendments to the current National Emission Standards for Hazardous Air Pollutants (NESHAP) from the Portland Cement Manufacturing Industry. These proposed amendments would add or revise, as applicable, emission limits for mercury, total hydrocarbons (THC), and particulate matter (PM) from kilns and in-line kiln/raw mills located at a major or an area source, and hydrochloric acid (HCl) from kilns and in-line kiln/raw mills located at major sources. These proposed amendments also would remove the following four provisions in the current regulation: the operating limit for the average hourly recycle rate for cement kiln dust; the requirement that cement kilns only use certain type of utility boiler fly ash; the opacity limits for kilns and clinker coolers; and the 50 parts per million by volume dry (ppmvd) THC emission limit for new greenfield sources. EPA is also proposing standards which would apply during startup, shutdown, and operating modes for all of the current §112 standards applicable to cement kilns.
Finally, EPA is proposing performance specifications for use of mercury CEMS, which specifications would be generally applicable and so could apply to sources from categories other than, and in addition to, portland cement, and updating recordkeeping and testing requirements. A 60-day comment period (ending July 06, 2009) was initially provided for the public to submit comments to EPA regarding the proposed amendments. Following a request for an extension to the comment period, the comment period was extended to September 4, 2009.
A total of 16,055 sets of comments were received by EPA regarding the proposed information collection request. Some of the comment sets were signed or submitted on behalf of multiple commenters. Also, in some cases duplicate comment sets from the same commenter were submitted to EPA’s Air and Radiation Docket. Table 1-1 lists the names of the commenters, the commenters’ affiliations, and the Air and Radiation Docket entry number for each of the comment sets submitted to EPA. Some commenters also submitted supplemental information and data to support their comments.
This document presents EPA’s response to each substantive comment received by EPA on the proposed amendments. The comment summaries are grouped by topic in sections.
Table 1-1. List of Commenters on Proposed Amendments to the Current NESHAP from the Portland Cement Manufacturing Industry, Proposed May 06, 2009 (74 FR 21135)
|I organic air pollutants I 1 Volatile Organic Compounds (vocs)||R315 Standards for Owners and Operators of Hazardous Waste Treatment, Storage, and Disposal Facilities|
|Politics of Hazardous Chemicals and Etiologic Agents on Water, Land and Air The Ticking Time Bomb Explodes||As satisfying the skills standards set forth by the National Skills Standards Board|
|Office of Air Quality Planning and Standards||National Institute of Standards and Technology|
|Ansi (American National Standards Institute)||American National Standards Institute ansi|
|National Institute of Standards and Industrial Technology Act 1993||Application for the Reassessment of a Hazardous Substance under Section 63 of the Hazardous Substances and New Organisms Act 1996|