Contractor Magazine - Latest Comments in Conflicting standards create potential dangershttp://contractormag.disqus.com/enWed, 12 Nov 2008 12:09:28 -0000Re: Conflicting standards create potential dangershttp://contractormag.com/plumbing/cm_newsarticle_674/#comment-3705223<p>The confusion comes from differencesin certain standards of the American-Society for Testing and Materials compared with those from the Canadian Standards Association</p>plumbingWed, 12 Nov 2008 12:09:28 -0000