Nitrophenols in precipitation.
From 1995 to 1998 the concentrations of 4-nitrophenol, 2-methyl-4-nitrophenol, 3-methyl-4-nitrophenol, dinitro-ortho-cresol (DNOC) and 2,4-di-nitrophenol were measured monthly by HPLC in precipitation at eight different locations in Bavaria (Germany). Samples were collected by purpose-constructed computerised rainwater samplers which record electronically various sensor data each hour and adjust the sample temperature to 4 degrees C. The highest nitrophenol (NP) concentrations were measured for 4-NP. The median at all locations is higher than 1 microg/l. The median of the other NPs ranges between 0.2 and 0.8 microg/l. Considering the rain amounts the highest depositions were calculated for the regions Spessart, Bayerischer Wald and Chiemgauer Alpen. The median of 4-NP depositions extents to 200 microg/(month m2). The highest medians of the other NP depositions reach approximately 50 microg/(month m2).
Schüssler
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Bavarian State Office for Water Resources, Munich, Germany. Walter.Schuessler@LFW.bayern.de
Nitschke
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D002851:Chromatography, High Pressure Liquid; D003201:Computers; D004784:Environmental Monitoring / Q000295:instrumentation / Q000379:methods*; D005858:Germany; D009596:Nitrophenols / Q000032:analysis*; D011891:Rain; D014919:Wind
D009596:Nitrophenols