Call Number (LC) Title Results
EP 4.52:OZ 7/16/2021/DRAFT Guidance for ozone and fine particulate matter permit modeling 1
EP 4.52:OZ 7/16/DRAFT Draft guidance for ozone and fine particulate matter permit modeling 1
EP 4.52:OZ 7/17 Regulatory impact analysis for the proposed revised Cross-State Air Pollution Rule (CSAPR) update for the 2008 ozone NAAQS 1
EP 4.52:OZ 7/18 Estimation of ozone exposures experienced by outdoor children in nine urban areas using a probabilistic version of NEM 1
EP 4.52:P 25 The particle pollution report current understanding of air quality and emissions through 2003 1
EP 4.52:P 25/3 Policy assessment for the review of the particulate matter national ambient air quality standards preliminary draft 1
EP 4.52:P 25/3/EXTER.REV./DRAFT Policy assessment for the review of the particulate matter national ambient air quality standards : first external review draft 1
EP 4.52:P 25/3/EXTER.REV./SEC.DRAFT Policy assessment for the review of the particulate matter national ambient air quality standards : second external review draft 1
EP 4.52:P 25/3/FINAL Policy assessment for the review of the particulate matter national ambient air quality standards 1
EP 4.52:P 25/4 Particulate matter urban-focused visibility assessment final document 1
EP 4.52:P 25/4/DRAFT Particulate matter urban-focused visibility assessment : external review draft 1
EP 4.52:P 25/5 Peer review report for the technical basis for the EPA's development of significant impact thresholds for PM2.5 and ozone 1
EP 4.52:P 25/6 Technical basis for the EPA's development of the significant impact thresholds for PM2.5 and ozone 1
EP 4.52:P 25/7 Policy assessment for the review of the national ambient air quality standards for particulate matter 1
EP 4.52:P 25/7/REVIEW DRAFT Policy assessment for the review of the national ambient air quality standards for particulate matter, external review draft 1
EP 4.52:P 25/8 PM2.5 precursor demonstration guidance 1
EP 4.52:P 25/9 Policy assessment for the reconsideration of the National Ambient Air Quality Standards for particulate matter 1
EP 4.52:P 25/9/DRAFT Policy assessment for the reconsideration of the National Ambient Air Quality Standards for particulate matter, external review draft 1
EP 4.52:P 25/10 Regulatory impact analysis for the proposed reconsideration of the National Ambient Air Quality Standards for Particulate Matter 1
EP 4.52:P 41 Evaluation of stationary source performance tests : emission testing concepts and special topics 1