Protective Action Criteria for Chemicals (PACs) dataset is a hierarchy-based system of the three common public exposure guideline systems: AEGLs, ERPGs, and TEELs. A particular hazardous substance may have values in any or all of these systems. The PACs dataset implements the following hierarchy when choosing which values to use for the PACs: Final, 60-minute AEGL values Interim, 60-minute AEGL values...