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2187949 
Journal Article 
Bioavailability of airborne organochlorine xenobiotics to conifers 
Wenzel, KD; Mothes, B; Weissflog, L; Schuurmann, G 
1994 
1 
Fresenius Environmental Bulletin
ISSN: 1018-4619
EISSN: 1610-2304 
3 
12 
734-739 
English 
WOS:A1994PZ36800006 
Conifer needles form a valuable biomonitoring tool to analyze immission patterns of airborne xenobiotics on a regional scale. Separation of the wax layer from the inner needle fraction leads to an operational definition of the bioavailable portion of compounds taken up from the air. The method is applied to the analysis of contents of five PCBs, HCB, DDT, DDE, alpha-HCH and gamma-HCH in two-year-old needles from the pine Pinus sylvestris L. in the region Leipzig-Halle. The discussion includes resin on needles as an influence factor for the uptake efficiency of airborne contaminants. 
SEMIVOLATILE ORGANICS; PCB; BIOAVAILABILITY; PINE NEEDLE; WAX LAYER 
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