The Environmental Management Bureau has issued a Memorandum Circular with regard to Laboratory Use of Priority Chemical List (PCL) chemicals.

It is stated in the Memorandum Circular that, “facilities which use chemicals listed under Priority Chemical List (PCL) solely as standard solutions or as reagents for laboratory analysis are not required to secure the corresponding PCL Compliance Certificate under DAO 2007-23 (Prescribing Additional Information for the Issuance of PCL Compliance Certificate).”

The MC can be downloaded here.