Glossary O
An on-frame data is Data acquired by a sampling approach that provides a Probability sample. (See preferred term: attribute
Onroad mobile sources are vehicles found on roads and highways (e.g., cars, trucks, buses).
The term opisthosoma refers to the posterior part of the body in some arthropods, particularly in members of the class Arachnida, which includes spiders, scorpions, and similar creatures. This segment of the body is distinct from the prosoma, or the front part of the body, which typically houses the head and legs.
An Oral Exposure: is Eating and drinking food and water (and pollutants), and their entry into the digestive tract.
An ordination analysis is a set of techniques in which sampling units are arranged in relation to one or more coordinate axes such that their relative positions to the axes and to each other provide maximum information about their ecological similarities.
An Ore is Mineral deposit containing a high enough Concentration of at least one metallic Element to permit the metal to be extracted and sold at a profit.
Organic Contaminants are Carbon -based chemicals, such as solvents and pesticides, which can get into water through runoff from cropland or Discharge from factories.