PCBs revisited

In case you missed it, the 8th Annual PCB Workshop was held this past October in the USA – Woods Hole, MA. to be exact.  This conference moves its’ location from year to year.  A primary objective of this conference was to provide guidelines for risk assessment and risk management for PCBs and related compounds as mixtures found in the human environment, especially in school buildings. A second major objective was to present the very latest findings relating to the chemistry, biology, and toxicology of PCBs. Sessions included: ·         Analytical Methods ·         Mechanisms of Toxicity ·         PCBs in Building Materials ·         Airborne PCBs movement ·         Human Exposure Assessment & Epidemiology ·         Regulatory Policy Some of you may be wondering what the big deal is with PCBs. You may be saying to yourself – “Wasn’t PCB production and use banned in the US in the late 1970’s?”  You are correct, but unintentional formation of PCBs is ongoing and the PCBs already in place still exist – much like asbestos in building materials that still exist. It is these sources of PCBs that still need to be remediated and controlled as they are found. Although the presence of PCBs is mostly associated with electrical equipment – primarily transformers – there are significant amount of PCBs that could be found in buildings constructed from the 1950s through the 1970s.  You may not realize it but some of the potential building materials that may contain PCBs include: ·         Caulk and other exterior sealants ·         Paints ·         Fluorescent Light ballasts ·         Flooring tiles ·         Ceiling tiles ·         Insulation ·         Waterproof coatings In addition to the above...

LEED 2009 Registration Extended to October 2016

I have just returned from the annual GREENBUILD International Conference and Expo held in New Orleans. Spending a week in The Big Easy was indeed easy. Good music and even better food made visiting there a real treat. I was at the conference to be part of an AIHA sponsored round table presentation on the IAQ aspect of LEEDv4. Our session was titled “Indoor Air Quality Management and Sampling” The focus of my portion of the presentation was to compare and contrast the IAQ sampling and analysis requirements between LEED 2009 and LEEDv4. I am happy to say that our session was sold out and very well received! It has been less than a week since the conference ended and today I found out the USGBC says the market needs additional time to prepare for LEEDv4. When LEEDv4 was put into effect in November 2013, you had until June 2015 to implement it. You could no longer use LEED 2009 after that date. The USGBC has decided requiring new LEED projects to register for LEEDv4 as of June 2015 was too soon and has shifted that date back to October 31, 2016. The USGBC said that it was giving the market more time to get ready for LEEDv4 based on feedback it received during the aforementioned Greenbuild Conference. According to USGBC, > 60% of respondents to a survey said they are “not ready” or “unsure” if they are ready for LEEDv4 and require additional time to prepare. USGBC launched LEEDv4 as a more rigorous and fresh take on the LEED green building rating system. Although there are many more components...

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