Office of Physical Plant.

Office of Policy and Programs

Office of Pesticide Programs, a division of the EPA.

Oriented PP (polypropylene) film. A stiff, high clarity film, but not heatsealable. Usually combined with other films, (such as LDPE) for heatsealability. Can be coated with PVDC (polyvinylidene chloride), or metallised for much improved barrier properties.

Ovine Progressive Pneumonia, is a slowly progressing viral disease, similar to the AIDS virus in humans. It is not transferable to humans. It slowly causes progressive lung damage, weakness, udder damage. There is no cure, but animals can be tested for the virus and culled. A negative OPP test, done by a reliable laboratory, means that on that date the animal was negative for OPP. OPP is a "purchased " disease. Be sure to request that an animal is tested and quarantined before it enters your flock.

Ontario Provincial Police

Optical Precipitate Profiler

A place where a specified action can be executed. The first opportunity encountered is assumed in the absence of a specific description of the opportunity.

Outline Planning Permission. This gives an outline of the permitted development, such as the size and height of the building. Full details of the building must be provided and approved before building work can start. Detailed planning permission must be applied for within three years

OPP is the acronym for an "OPPonent" in online poker.

Object Push Protocol

Off-Load Preparation Party

opposite