Additive Effect: Combined effect of two or more chemicals equal to the sum of their individual effects.
Additive effect-Consequence which follows exposure to two or more physio-chemical agents which act jointly, but do not interact-commonly, ...
Additive effect
A biologic response to exposure to multiple substances that equals the sum of responses of all the individual substances added together [compare with antagonistic effect and synergistic effect].
A fuel additive derived from the chemical reaction of methanol and isobutylene. It is one of a group of chemicals commonly known as "oxygenates" because they raise the oxygen content of gasoline.
Biological Additive
Microbiological cultures, enzymes, or nutrient additives that are deliberately introduced into a discharge for the specific purpose of encouraging biodegradation to mitigate the effects of the discharge.
Deposit Control Additives: Substances added to motor vehicle fuel to reduce and prevent deposits in the fuel delivery system and engine intake valves.
FFAR- Fuel and Fuel Additive Registration
FFDCA- Federal Food, Drug, and Cosmetic Act
FFF- Firm Financial Facility
FFFSG- Fossil-Fuel-Fired Steam Generator
FFIS- Federal Facilities Information System
FFP- Firm Fixed Price ...
In our modern age of food preservatives and additives, genetically altered crops and E. coli outbreaks, as with the recent spinach debacle [September 2006], people are increasingly concerned about the quality and cleanliness of the foods they eat.
Portable drinking water systems or chemical additives are available for hiking, camping, and travel in remote areas. Portable pump filters are commercially available with ceramic filters that filter 5000 to 50,000 liters per cartridge.
Methylcymantrene (MMT) - C9H7MnO3, an organometallic compound first sold as a gasoline additive. It was banned by the US Clean Air Act from 1977 to 1995.
Various additives, such as plasticisers, lead and cadmium are added to polyvinyl chloride (PVC) to make it usable.
An alcohol that can be used as an alternative fuel or as a gasoline additive. It is less volatile than gasoline; when blended with gasoline it lowers the carbon monoxide emissions but increases hydrocarbon emissions.
Mixing additives, such as fly ash or cement, with soil containing hazardous chemicals, especially metals, to make it more stable.
Joint Expert Committee of Food Additives
JEIOG
Joint Emissions Inventory Oversight Group ...
A process of biologically degrading organic materials in the presence of oxygen, yielding carbon dioxide, heat and stabilised organic residues that may be used as a soil additive
Construction and demolition waste (C&D) ...
A type of fuel made by combining animal fat or vegetable oil with alcohol; biodiesel can be directly substituted for diesel), or be used as an additive.
Bioenergy ...
Designation by the FDA that a chemical or substance (including certain pesticides) added to food is considered safe by experts, and so is exempted from the usual FFDCA food additive tolerance requirements.
Generator ...
Generally Recognized as Safe (GRAS): Designation by the FDA that a chemical or substance (including certain pesticides) added to food is considered safe by experts, and so is exempted from the usual FFDCA food additive tolerance requirements.
The risk of epxerienceing a large flood within time periods longer than one year increases in a nonadditive fashion.
Department of Health and Human Services, carries out and enforces laws that protect the quality and safety of foods, food additives, cosmetics and medical drugs and devices.
 See also: Environment, Water, Organic, Air, Toxic
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