ARMA PM2.5 Testing & Emissions Rate Sampling August 27, 2014 Neil Gresham CertainTeed Corporation  

ARMA Emissions Factor/Rate Project Purpose: Update the 2003 ARMA roofing manufacturing emissions factor document to increase utility and add PM2.5 data to assist members with permitting. Project Steps: Collect member company testing data, And evaluate for acceptability for updating the 2003 ARMA emissions factors document, Develop permanent database with consultants that would be maintained by ARMA staff.

ARMA Emissions Factor-Rate Project Recent Activity: This summer, the PM2.5 Task Force compiled draft spreadsheet outlining the database needed for the data gathering. Members reviewed and provided comments. Submitted draft database to consultants on August 7, 2015. Consultant has provided comments and draft has been circulated again to members. Based on review and suggestions, consultants are building permanent database. No advancement to date on alternate test methods for wet stacks for PM2.5 - some work still pending