Analytical method used by PDP to measure the amount of pesticide residues in food

PDP stands for Pesticide Data Program, which is a national pesticide residue database program, is responsible in management of collection, analysis, data entry, and reporting of pesticide residues on agricultural commodities. For more details, visit http://www.ams.usda.gov/science/pdp/what.htm

PDP uses the following analytical method to analyze fresh and processed fruit and vegetables, meat (beef and pork), poultry, and dairy products (milk, cream and butter).
http://www.ams.usda.gov/science/pdp/MethodAbstracts.pdf