Levels of polychlorodibenzo-p-dioxins and dibenzofurans in crab tissues from the Newark/Raritan Bay system

Z. Cai, V-M Ramanujam, M. L. Gross, A. Cristini, R. K. Tucker

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Abstract

Hepatopancreas and muscle tissues of crabs collected from the Newark/Raritan Bay system, New Jersey, were analyzed for polychlorodibenzo- p-dioxins and dibenzofurans (PCDD/Fs) by using capillary gas chromatography/high-resolution mass spectrometry (GC/HRMS) in the selected ion-monitoring, mass-profile mode. All hepatopancreas tissue samples were found to be contaminated with PCDD/Fs. Samples collected proximate to a former chemical manufacturing plant located on the Passaic River have the highest levels. The concentrations of PCDD/Fs decrease in animals taken at increasingly more remote sites from the alleged point source. The levels (up to 1 ppb) of 2,3,7,8-tetrachlorodibenzo-p-dioxin (2,3,7,8-TCDD) in hepatopancreas tissues of the crabs taken from Newark Bay are elevated by a factor of 5-10 times those of samples from Raritan Bay. Even the muscle samples from animals taken from Newark Bay have detectable levels of 2,3,7,8- TCDD, whereas those from Raritan Bay have 'no detectable' levels of 2,3,7,8- TCDD (detection limit 0.5-1.0 ppt). The levels of 2,3,7,8-substituted pentachloro- and hexachlorodibenzofurans are approximate 10 times lower. No other PCDD/Fs were detected at a detection limit range of 5-45 ppt.

Original languageEnglish (US)
Pages (from-to)1528-1534
Number of pages7
JournalEnvironmental Science and Technology
Volume28
Issue number8
StatePublished - 1994
Externally publishedYes

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dibenzofuran
dioxin
crab
TCDD
Tissue
Muscle
Animals
muscle
Gas chromatography
Mass spectrometry
Rivers
animal
PCDD
Monitoring
Ions
point source
gas chromatography
manufacturing
mass spectrometry
tissue

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Science(all)
  • Environmental Chemistry

Cite this

Levels of polychlorodibenzo-p-dioxins and dibenzofurans in crab tissues from the Newark/Raritan Bay system. / Cai, Z.; Ramanujam, V-M; Gross, M. L.; Cristini, A.; Tucker, R. K.

In: Environmental Science and Technology, Vol. 28, No. 8, 1994, p. 1528-1534.

Research output: Contribution to journalArticle

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