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http://switchboard.nrdc.org/blogs/gsolomon/bp_releases_another_drop_of_ai.html

BP Coughs Up Another Drop of Air Quality Data: Not Reassuring
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Gina Solomon

Posted June 10, 2010 in Health and the Environment

Tags:
    air, airquality, gulfspill, health, oil, respiratory, workerprotection

New BP air testing results were posted yesterday from April 27 – May
26 for benzene, total hydrocarbons, and 2-Butoxyethanol. There's still
no information about other oil-related air toxic chemicals such as
naphthalene or hydrogen sulfide, offshore.

The BP sampling plan focuses only on workers on the large ships, and
appears to not include monitoring for the people on the approximately
1,500 small fishing boats helping to clean up the spill. These people
are dismissed as of "Reduced Priority" on page 4 of the BP sampling
plan.

Nearly 70% (275 out of 399) of offshore air samples had detectable
levels of hydrocarbons and nearly 1 in 5 (73 out of 399) had levels
greater than 10 parts per million (ppm), which is an EPA cutoff level
for further investigation.

6 samples exceed 100 ppm which in a previous monitoring summary was
labeled as the action limit.  This label appears to have been removed
in the most recent summary document. No information is given on where
these samples, or the 4 found to be between 50 and 100 ppm, were
taken.

20 (5%) samples had detectable levels of benzene with measurements up
to 0.5 ppm. The National Institute of Occupational Safety and Health
(NIOSH) Recommended Exposure Limit (REL) is 0.1 ppm.

20% (29 out of 146) samples had detectable levels of 2-Butoxyethanol
with measurements up to 10 ppm.  This range encompasses the NIOSH REL
for occupational exposure to 2-Butoxyethanol of 5 ppm. The BP document
cites the OSHA PEL for 2-Butoxyethanol of 50 ppm, which would not
protect workers.

In fact, the NIOSH level is also not health protective enough. As Mark
Catlin just commented on one of my blogs: "The Occupational exposure
limits, like OSHA and NIOSH use, assume worker exposures are limited
to an 8 hour day and 40 hour week, with unexposed time the rest of the
day and week. If longer hours are worked, the occupational exposure
limits need to be reduced. For example, one simple method would reduce
the NIOSH REL of 0.1 ppm to 0.05 ppm if 80 hour weeks are worked.
Exxon did not account for this when reporting worker air sampling data
in Alaska in 1989." Check out Mark's excellent Facebook page on
protecting the health of Gulf workers.

I'm headed to Capitol Hill today to testify at a Congressional Hearing
on the health effects of the BP oil disaster. I'll definitely talk
about the need for better worker protection from air hazards.

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