Latest Formaldehyde Tests Faulty
By 250 News
Tuesday, March 08, 2011 03:59 AM
Prince George, B.C. – The latest results of air testing in Prince George for formaldehyde are in, and the actual numbers were not part of the initial release of information.
The most recent testing was done December 30th at Plaza 400 following a complaint of elevated ambient odour levels in the downtown area.
The results came back, and in this case, the information released to media reads “Results from the lab were well below the Province’s air quality objective.” The actual numbers were not included in the release. “I didn’t have confidence in the accuracy of the data” says Ministry of Environment’s Regional Manager Dean Cherkas in explaining why the numbers were not part of the information made public.
Cherkas says the field blank registered .4 μg/m3 and the test blank indicated a level of 1. μg/m3. Both levels are a fraction of the allowable limits for formaldehyde, but Cherkas said it was clear there was something wrong. “There was such a huge difference in the readings, there had to have been some sort of contamination.” He says contamination of the samples could have happened anywhere along the chain of handling, or it may be linked to the cold temperatures that day, he is not certain, but Cherkas is convinced the readings were not accurate, so the numbers were not made public. “My main concern is if we are below the Provincial objectives for formaldehyde, and both samples were well below that mark.”
The Province’s air quality objective for formaldehyde is as follows:
The action level (one-hour average of 60 μg/m3) is the target used when managing the level of formaldehyde in an airshed.
The episode level (one-hour average of 370 μg/m3) corresponds to the concentration that starts to be of concern to the health of the general population; at this level, it is recommended that immediate steps be taken to reduce the release of formaldehyde into the atmosphere.
The special testing was launched last spring by the Ministry of the Environment in response to unusually high levels of formaldehyde recorded in the summer of 2008.
It is generally thought those samples were also inaccurate as repeated testing since last Spring has failed to reproduce the kind of numbers recorded in the summer of 2008. In fact , most testing has failed to find any detectable levels of formaldehyde at all.
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However if the number shows it to be high, we will pounce all over industry.