Jul 20, 2004· Comment entitled "Comments on Proposed Regional Haze Regulations and Guidelines for
Best Available Retrofit Technology Determinations"
submitted by Thomas B. Carter, Director, Envirionment, Health and Safety, Portland Cement Association (PCA)· EPA-HQ-OAR-2002-0076-0288
Filed on regulations.gov — full text not in the inline record.
Jul 15, 2004· Comment attachment focusing on "two separate comments addressing concerns with the proposed visibility analyses and threshold comparisons" submitted by Portland Cement Association· EPA-HQ-OAR-2002-0076-0205
Please consider the attached file along with the general PCA comments submitted yesterday.
Attachment A to OAR-2002-0076-0184
Jul 14, 2004· Comment referring to "Cement is produced from various naturally abundant raw materials, including limestone, shale, clay, and silica sand" submitted by Thomas B. Carter, Portland Cement Association· EPA-HQ-OAR-2002-0076-0184
Filed on regulations.gov — full text not in the inline record.