organic disinfection by-products / calibration solutions / chemical fume hood / dilution standard solution / internal standard fortification solution / helium carrier gas / dilution standard solutions / chemical / prepared solution / needed analyte solutions / helium carrier / chemicals / /
Organization
J.W. Hodgeson A.L. Cohen ENVIRONMENTAL MONITORING SYSTEMS LABORATORY OFFICE OF RESEARCH AND DEVELOPMENT U.S. ENVIRONMENTAL PROTECTION AGENCY CINCINNATI / Occupational Safety and Health Administration / /
METHOD 551 DETERMINATION OF CHLORINATION DISINFECTION BYPRODUCTS AND CHLORINATED SOLVENTS IN DRINKING WATER BY LIQUID-LIQUID EXTRACTION AND GAS CHROMATOGRAPHY WITH ELECTRON-CAPTURE DETECTION