Sustainability and regulatory concerns are driving companies to look for alternatives to traditional solvents like N-Propyl Bromide (NPB), 三氯乙烯 (吨标煤), and perchloroethylene (四氯乙烯/ PERC) for metal parts cleaning and degreasing. Hubbard-Hall has been helping manufacturers tackle these issues with lower-impact solvents or aqueous cleaning chemistries.
Current Regulatory Status: October 2023
- 三氯乙烯2023年10月, EPA proposed a risk management rule to address unreasonable risk posed by trichloroethylene (吨标煤) to human health, including the final revised risk determination for 吨标煤
- 全氯乙烯2023年6月, EPA proposed to ban most uses of 四氯乙烯 and establish a workplace chemical protection program (WCCP) for uses not prohibited to address the unreasonable risk to human health.
- nPB:又称1-溴丙烷(1-BP), 2022年12月, EPA released a final revised risk determination for 1-BP. The final revised risk determination finds that 1-BP, 作为一个整体, presents an unreasonable risk of injury to health under its conditions of use. 1-溴丙烷的风险评价
- 二氯甲烷: In November 2022, EPA released a final revised risk determination for methylene chloride. The final revised risk determination finds that methylene chloride 作为一个整体 substance presents an unreasonable risk of injury to health under its conditions of use.