The program's curriculum was developed in 1986 through joint
efforts of MRCA; the Asphalt Roofing Manufacturers Association; and
United Union of Roofers, Waterproofers and Allied Workers. In 2003,
the insurance industry approached NRCA to address concerns about increasing
incidents and losses occurring during torching activities by
roofing workers. NRCA arranged
with MRCA to adopt and revise the CERTA
program to meet this industry need.
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