EPA Avoids Definitive Choice On TCE Exposure Limit, Extending Debate

EPA’s proposed TSCA rule for trichloroethylene (TCE) avoids taking a definitive stance on the long-simmering debate over contested research linking it to fetal heart defects, proposing a worker exposure limit based on that effect but also a less-stringent alternative that uses other effects, though even that option is much tougher than OSHA’s limits.