Archives

Federal Clean Air Act (FCAA)

A federal law passed in 1970 and amended in 1974, 1977 and 1990 which forms the basis for the national air pollution control effort. Basic elements of the act include…

Read more

FIDOL

FIDOL represents frequency, intensity, duration, offensiveness and location.  FIDOL is used as a means to characterize the effects of an odour annoyance. Characterize an odour by its: Frequency – how…

Read more

Flow through hood

A wind tunnel is a device which is used to sample passive sources.  It is essentially a covering or ‘hood’ in which is placed on the surface and neutral gas…

Read more

Flux Chamber

In the case of passive sources, a device is required to perform a direct measurement of the source, from either a solid or liquid surface.  Coverings or ‘hoods’ are usually…

Read more

Fugitive Releases

Unintentional emissions from, for example; flanges, valves, doors, windows; that is, points which are not designated or intended as release point.Its an emissions of gases or vapors from pressurized equipment due…

Read more

Fugitive sources

Unintended release of odours that are not based on a fixed time or have a fixed odour concentration.  These sources may be difficult to measure.  Examples include door opening at…

Read more