Air quality rules tightened after cancer risk found to be 3 times higher: http://www.latimes.com/local/california/la-me-0606-air-toxics-20150607-story.html … via @tonybarboza
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Air quality rules tightened after cancer risk found to be 3 times higher: http://www.latimes.com/local/california/la-me-0606-air-toxics-20150607-story.html … via @tonybarboza