PEL means Permissible Exposure Limit in
Chemistry
Similar to PEL
AEPP - Advanced Engineering Plastic Products
AESR - Aqueous Extract of Sophorae Radix
AF - Augmented Formulation
AF - Anistropic Filtering
AFFF - Aqueous Film Forming Foam
AFL - Aluminium Fluoride Litate
AFS - Atomic Fluorescence Spectrometry
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