www .resourceventure.org
Greater Seattle Chamber of Commerce/Seattle Public Utilities Sustainable Building Response.

www.bfrl.nist.gov./oae/bees.html
National Institute of Standards & Technology's (NISI) Building for Environmental & Economic Sustainability (BEES)

www.lni.wa.gov/wisha
Washington State -safety & health

www.lni.wa.gov/wisha/videocat/vidindex.htm
Washington State -videos

www.smacnaww.org
SMACNA - Western WA's website 

www.osha.gov
Federal OSHA - safety & health