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Updated SCAQMD Map Shows Estimated Cancer Risks From Multiple Air Toxics Applying Latest Health Standards; Pollutants Down From 2005 But Agency Says Previous Health Effects Were Underestimated

Study estimates air pollution cancer risks but not pulmonary or cardiac diseases


(Oct. 3, 2014) -- The South Coast Air Quality Management District (SCAQMD) has released a draft of the fourth in its series of Multiple Air Toxics Exposure Studies (MATES-IV) showing updated estimated cancer risks from multiple airborne toxics. The SCAQMD MATES-IV map below shows cancer risk estimates using the agency's most recent airborne toxics measurements and applying updated environmental health standards.

[Further, scroll down]








The MATES-IV draft study indicates that efforts to reduce pollutants have produced results: pollution levels today are now significantly lower than in 2005. The map below shows reductions, with darker green showing greatest reductions.


However SCAQMD notes that older standards significantly underestimated cancer risks. The map below shows the old standards applied to current pollution readings.


SCAQMD says the new standards are expected to be accepted in the coming months.

The MATES-IV study indicates the primary air pollutant locally (68.2% basinwide) is diesel.

To view the full MATES-IV draft study, see LBREPORT.com embed below.

MATES-IV Draft Report 10-1-14

Further to follow on LBREPORT.com


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