Nutrient Profiling Systems are designed and applied to quantify the nutritional quality of one food compared to others.
Nutrition Quality Index, a system quantifying the relative nutritional quality of different foods.
The National Toxicology Program is a Federal agency that coordinates toxicology research and testing activities within the US Department of Health and Human Services; provides information about potentially toxic chemicals to regulatory and research agencies and the public; and strengthens the science base in toxicology.
Pesticide Data Program, administered by USDA’s Agricultural Marketing service. Approximately 20,000 samples of food and beverages tests annually.
U.S. Department of Agriculture
The Organic Center, a non-profit organization dedicated to conducting science on the environmental and health effects of organic food and farming and communicate the findings to the public.
Recommended Daily Allowance, the scientifically-established recommended consumption of essential nutrients.
Parts Per Million is a unit of concentration often used when measuring levels of pollutants in air, water, body fluids, etc. One ppm is 1 part in 1,000,000. The common unit, µg/liter, is equal to ppm.
Parts Per Billion is 1 part in 1,000,000,000. The difference between 1 ppm and 1 ppb is important-it is like the difference between $1 and $1000.