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Scientists cannot say how much inhalation of amphibole is harmful. But they know that even brief exposures -- single bursts from, say leaf blowers -- may be followed decades later by malignancy and death. The risk increases with time from onset of exposure, so children are especially vulnerable. KNOW does NOT go with MAYBE!!!
Last week, the EPA disclosed results of laboratory tests it had received to date, stressing that the data had not yet been verified for accuracy. On Tuesday, the agency released the complete data set.
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Though still unverified, EPA toxics official Dan Meers said, "We assume (duh!) the data will hold."
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Bob Ferguson, district superintendent, said the EPA test results surprise him because soil tests by the district's consultant assured him (duh!) the campus was safe.
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Ferguson said conflicting advice (duh!) from various agencies involved has confused officials and the public on the asbestos risk.