Video of Coffee-Tea Test for Coal Tar Sealants
A North Carolina TV station demonstrates how to test for coal tar pavement sealants using a test developed here in Austin by Tom Bashara and I. For a detailed explanation, see Field Test for Coal Tar Sealants.
A Worry-Free Guide to Implementing a Coal Tar Sealant Ban
I’ve heard a lot of speculation over the last few years about how difficult it is to implement a ban of coal tar sealants. Most of the time it is from purported experts that are attempting to make it seem “just too hard” or those that are just guessing and haven’t done their homework. No more guessing, […]
Field Test for Coal Tar Sealant Determination
Funny that this simple test has been the source of a lot of consternation, much of which will have to wait for a more thorough re-telling. Suffice it to say, that my colleague, who will want to remain anonymous, and I knew the importance of finding a repeatable field test. We found out about the […]