: Agilent uses "PL2022" as a part number prefix for Polymethyl methacrylate (PMMA) standards used in chromatography.
"PL" is a common prefix for industrial part numbers and standards:
: Texas Health and Human Services issued regulatory document PL 2022-17 regarding the expiration of emergency rules for long-term care facilities in July 2022.
: Local governments (such as Lee's Summit or Laconia, NH ) use this format for 2022 development plans, such as Case #PL2022-119 or PL2022-151 .