calibration solutions / hot stainless steel / stock solution / chlorothalonil stock solution / chemical / chlorpyrifos stock solution / sample processing apparatus / needed analyte solutions / gas chromatograms / gas chromatograph/electron capture detector / hot metal surfaces / gas chromatography / chemicals / /
Organization
NATIONAL EXPOSURE RESEARCH LABORATORY OFFICE OF RESEARCH AND DEVELOPMENT U.S. ENVIRONMENTAL PROTECTION AGENCY CINCINNATI / Occupational Safety and Health Administration / /