Page "learned" Paragraph 115

In considering BW defense, it must be recognized that a number of critical meterological parameters must be met for an aerosol to exhibit optimum effect.

For example, bright sunlight is rapidly destructive for living microorganisms suspended in air.

There are optimal humidity requirements for various agents when airborne.

Neutral or inversion meteorological conditions are necessary for a cloud to travel along the surface.

It will rise during lapse conditions.

There are, of course, certain times during the 24-hour daily cycle when most of these conditions will be met.