1. TLVs and BEIs Based on the Documentation of the Threshold Limit Values for Chemical Substances and Physical Agents & Biological Exposure Indices;[ACGIH] American Conference of Governmental Industrial Hygienists,2019
2. Intentionally Added Microplastics in Products;[AMEC] AMEC Foster Wheeler Environment & Infrastructure UK Limited,2017
3. Exposure Dose Guidance for Inhalation Exposures;[ATSDR] Agency for Toxic Substances and Disease Registry,2018