Are standards for all chemicals that identify allowable levels of exposure available?

The assertion that standards for all chemicals that identify allowable levels of exposure are available is considered false because, while there are numerous established standards for many hazardous substances, it is not possible to have comprehensive regulations in place for every chemical. The sheer volume of existing chemicals, along with variations in their use, environmental conditions, and individual susceptibilities, means that only a subset of chemicals has well-defined exposure limits established by regulatory agencies or organizations. These standards are designed to protect health and safety, but gaps exist due to the ongoing introduction of new chemicals, the complexity of chemical interactions, and the limitations in research on long-term health impacts.

Moreover, the development of exposure limits often relies on scientific research and risk assessments, which may not be available for all chemicals or may be under continual review as more data becomes available. Therefore, while significant efforts are made to monitor and establish guidelines for known hazardous chemicals, it is not feasible to claim that all chemicals have standards readily available.