https://archive.epa.gov/lawsregs/rulemaking/retrospective/documents/web/pdf/eparetroreview-publicmtgsummary-03142011.pdf monthly 1.00 https://archive.epa.gov/lawsregs/rulemaking/retrospective/documents/web/pdf/eparetroreviewplan-aug2011.pdf monthly 0.80 https://archive.epa.gov/lawsregs/rulemaking/retrospective/documents/web/pdf/eparetroreviewprogressrpt-feb2015.pdf monthly 0.80 https://archive.epa.gov/lawsregs/rulemaking/retrospective/documents/web/pdf/eparetroreviewprogressrpt-jan2012.pdf monthly 0.80 https://archive.epa.gov/lawsregs/rulemaking/retrospective/documents/web/pdf/eparetroreviewprogressrpt-jan2013.pdf monthly 0.80 https://archive.epa.gov/lawsregs/rulemaking/retrospective/documents/web/pdf/eparetroreviewprogressrpt-jan2014.pdf monthly 0.80 https://archive.epa.gov/lawsregs/rulemaking/retrospective/documents/web/pdf/eparetroreviewprogressrpt-july2013.pdf monthly 0.80 https://archive.epa.gov/lawsregs/rulemaking/retrospective/documents/web/pdf/eparetroreviewprogressrpt-july2014.pdf monthly 0.80 https://archive.epa.gov/lawsregs/rulemaking/retrospective/documents/web/pdf/eparetroreviewprogressrpt-july2015.pdf monthly 0.80 https://archive.epa.gov/lawsregs/rulemaking/retrospective/documents/web/pdf/eparetroreviewprogressrpt-may2012.pdf monthly 0.80 https://archive.epa.gov/lawsregs/rulemaking/retrospective/documents/web/pdf/eparetroreviewprogressrpt-sept2012.pdf monthly 0.80 https://archive.epa.gov/lawsregs/rulemaking/retrospective/documents/web/pdf/improvingregs-ques-04-05-11.pdf monthly 0.80