variance 1) A State with primacy may relieve a public water system from a requirement in respect to an MCL by granting a variance if certain conditions exist. These are: a) the system cannot meet the MCL in spite of the application of best ...
Variance: Government permission for a delay or exception in the application of a given law, ordinance, or regulation.
Variance - permission granted for a limited time under stated conditions for a person or company to operate outside the limits prescribed in a regulation ...
VARIANCE
A special allowance granted to a developer which permits the use of designs different from the requirements of the current code.
VEGETATED OPEN CHANNELS ...
A variance from Clean Water Act requirements for discharges into marine waters.
Odor Threshold
The minimum odor of a water or air sample that can just be detected after successive dilutions with odorless water. Also called threshold odor.
Ocean Discharge Waiver- A variance from Clean Water Act requirements for discharges into marine waters.
Note: Measurement precision is usually expressed numerically by measures of imprecision, such as standard deviation, variance, or coefficient of variation under the specified conditions of measurement.
[7] ...
technique, or both, if the system cannot comply due to compelling economic or other factors, or because the system was in operation before the requirement or MCL was instituted; and the exemption will not create a public health risk. (See: variance.) ...
in humans which would lead to Deterministic Effects and therefore radiation sickness (leading to death without medical intervention). The quantity varies depending on the literature but is likely to be between 3 and 5 Gray (Gy) (with some variance ...
referred to as reproducibility, precision is a measure of the mutual agreement among individual measurements of the same property, usually under prescribed similar conditions expressed generally in terms of the standard deviation or variance, ...
Different countries have minor variances in defining what constitutes a product as being organic or naturally-grown. Organic products generally have less environmental impact and are considered healthier for consumption.
 See also: Water, Organic, Waste, Pollutant, Particulate
  
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