Industry Backs Hazcom Change Using 'Weight Of Evidence' In Carcinogen Labeling

Chemical industry representatives strongly back a relatively obscure change made recently to OSHA's right-to-know regulations that switches to a “weight of evidence” approach for determining whether an agent must be labeled as a known or possible carcinogen, responding to newly voiced worries among worker advocates that the policy shift gives too much latitude to industry's own assessments of chemical risk factors.