Permissible Exposure Levels (PELs) and Threshold Limit Values (TLVs) play an important role in safeguarding the health of workers in America. These exposure limits provide a baseline for controlling occupational exposures to various substances, preventing excessive exposure that could lead to adverse health effects. Even with these limits in play the workforce still faces challenges which contribute to ongoing issues for some employees. The industy is constantly evolving, introducing new materials and processes. This can create a challenge to keep updated regulations on the limits and require constant updating of these regulations. While TLVs and PELs provide a good foundation for protecting workers, it is important to conduct ongoing research to update the regulations to stay within safe working limits. how to reply to this person