The Characterization of Tentatively Identified Compounds (TICs) in Water Samples Collected from Public Water Systems in New Jersey: Research Project Summary



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Trenton, N.J. : New Jersey Department of Environmental Protection, Division of Science, Research and Technology


This is a summary report of a detailed investigation in which the analysis of synthetic organic chemicals by Gas Chromatography (GC) and Liquid Chromatography (LC) was conducted on raw and finished water samples collected from public water supplies using ground water as a source of drinking water. All water systems sampled are known to be contaminated by volatile organic chemicals except for one (the “control” system). This work investigated the potential presence of non-volatile and semi-volatile organic chemicals in those water supplies. Five bottled waters were also sampled. Several generalizations can be made: 1) water serving systems impacted by identified hazardous waste sites have distinct and sometimes unique TICs associated with them; 2) TICs are generally low in concentration, most being estimated at a concentration below a part per billion (microgram per liter, mg/L); and 3) many organic chemicals reported as TICs were not actually in the water sampled but were found in the analysis due to sampling and/or laboratory contamination.


Prepared by NJDEP, Division of Science, Research & Technology, Trenton, New Jersey, Environmental and Occupational Health Sciences Institute of NJ, Piscataway, New Jersey and Center for Advanced Food Technology at Rutgers University, New Brunswick, New Jersey.


New Jersey