Dose_Response
Dose_Response : (a) The relationship between the dose of a pollutant and the response (or effect) it produces on a biological system. [CARB, 2000: Glossary of Air Pollution Terms]; (b) The relationship between the dose of a pollutant and its effect on a biological system [ODEQ, 1999: Air Quality Glossary]; (c) A dose response is a mathematical model that describes how a response variable__a biological measurement or epidemiologic population statistic__depends on the level of radiation dose. The dose_reponse model tells whether the level of response increases or decreases with dose and how rapidly it changes as a function of dose. [RERF, 1999: Radiation Effects Research Foundation Glossary]; (d) A correlation between a quantified exposure (dose) and the proportion of a population that demonstrates a specific effect (response). [SRA, 1999: Glossary of Risk Analysis Terms] [USDOE, 2000: RAIS Glossary]; (e) Shifts in toxicological responses of an individual (such as alterations in severity) or populations (such as alterations in incidence) that are related to changes in the dose of any given substance. [USEPA, 1997a: EPA Terms of Environment]
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