. . . . . . . "Analytical Reference Standards and Supplemental Data For Pesticides and Other Organic Compounds" . . . . . . . . "Analytical reference standards and supplemental data for pesticides and other selected organic compounds"@en . . "Analytical reference standards and supplemental data for pesticides and other organic compounds" . "Analytical reference standards and supplemental data for pesticides and other organic compounds"@en . . . . . . . . . . . "Specifications"@en . . . . . "U.S. Environmental Protection Agency. Office of Research and Development. Health Effects Research Laboratory." . . "Health Effects Research Laboratory (Cincinnati, Ohio). Analytical Chemistry Branch." . . "Health Effects Research Laboratory. Analytical Chemistry Branch." . .