Plenipotentiaries on the Global Convention on the Control of Trans-. boundary Movements of Hazardous Wastes: Final Act and Text of Basel. Convention, Mar. 22, 1989, UNEP/WG.190/4, 28 I.L.M. 649, 652-53. (1989) (listing participants).
Sponsored Topics. Placentia is a city in northern Orange County, California. The population was 50,533 at the 2010 census, up from 46,488 at the 2000 census. This includes the community of Atwood, which is included in the city of Placentia, and is located in its southernmost quadrant.
Placentia, Orange County Sales Tax Rate. Details. The sales tax in Placentia is 7.75%, which is about average for cities in Orange County and about average for California. Placentia is one of 63 cities in Orange County with a distinct sales tax as listed by the California Board of Equalization. Comparison to California. Other Cities in Orange County.