9/11 remembered: Boisean helped keep workers safe at Ground Zero

Boisean Willie Piispanen, then with Washington Group International, volunteered as a health and safety professional at Ground Zero. From Sept. 19 through Nov. 5, he worked 12 hours a day, six days a week, to keep workers safe. WGI had an office at
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Boisean Willie Piispanen, then with Washington Group International, volunteered as a health and safety professional at Ground Zero. From Sept. 19 through Nov. 5, he worked 12 hours a day, six days a week, to keep workers safe. WGI had an office at