Registration Dossier

Environmental fate & pathways

Monitoring data

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Administrative data

Endpoint:
monitoring data
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
1998-2000
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Well documented study with special emphasis on methodological (analytical) aspects

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
2003

Materials and methods

Principles of method if other than guideline:
no specific relevenant guideline followed
GLP compliance:
not specified
Type of measurement:
background concentration
Media:
other: estuary water (Scheldt)

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
-

Study design

Details on sampling:
water samples were taken 2 times per year for 3 years from 14 stations

Results and discussion

Concentration
Country:
Belgium
Location:
Scheldt estuary
Substance or metabolite:
substance
Remarks:
1,1-dichloroethene
Conc.:
1.9 other: ng/l
Details on results:
n: 84, n censored: 35, SD: 1.9, median: 1.3, IQR: 1.9
19-20/05/98: <1.7-11 ng/l
14-15/10/98: <1.7-2.5 ng/l
11-12/05/99:<1.7-7.8 ng/l
02-03/11/99:<1.7-3.8 ng/l
03-04/04/00:<1.7-3.4 ng/l
13-14/11/00:<1.7-3.2 ng/l

Any other information on results incl. tables

-

Applicant's summary and conclusion

Conclusions:
The mean concentration of 1,1-dichloroethene in the scheldt estuary was 1.9 ng/l, the median being 1.3 ng/l (IQR 1.9).
Executive summary:

The mean concentration of 1,1-dichloroethene in the scheldt estuary was 1.9 ng/l, the median being 1.3 ng/l (IQR 1.9).