1871 - Ordinance defining polystyrene. 1946 & 2080 - Ordinance banning polystyrene containers.

Sunday, December 31, 1989

A2000-001

AF/36221

City Auditor - Archives & Records Management - City records - Commissioner (Archival) - Lindberg, Mike - Subject Files

Email

www.portland.gov/archives/find-records...