Forest Trail


7 results found for


Water Base

Water used as the solvent for coatings such paint.

Water Solubility

The solubility of a substance in water provides information on the fate and transport in the environment. The higher the water solubility, the greater the tendency to remain dissolved and the less likely to volatilize from the water. Low water soluble substances will volatilize more readily in water and will partition to soil or bioconcentrate in aquatic organisms.

Weight of Evidence

The extent to which the available information supports the hypothesis that a substance causes an effect in humans. For example, factors which determine the weight-of-evidence that a chemical poses a hazard to humans include the number of tissue sites affected by the agent; the number of animal species, strains, sexes, relationship, statistical significance in the occurrence of the adverse effect in treated subjects compared to untreated controls; and, the timing of the occurrence of adverse effect.

Welfare-Based Standard (Secondary Standard)

An air quality standard that prevents, reduces, or minimizes injury to agricultural crops and livestock, damage to and the deterioration of property and hazards to air and ground transportation.

Well to Tank

Emissions associated with a fuel from extraction to the tank it sits in prior to entering a vehicle.

Well to Wheels

Emissions associated with a fuel from extraction to when it enters and is used by a vehicle.

Woodburning Pollution

Air pollution caused by woodburning stoves and fireplaces that emit particulate matter, carbon monoxide and odorous and toxic substances. For more information, visit our disposal of non-industrial wood waste website.