Registration Dossier

Environmental fate & pathways

Monitoring data

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Administrative data

Endpoint:
monitoring data
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Data from a national Norwegian environmental monitoring programme considered as reliable

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
2009
Report Date:
2009

Materials and methods

GLP compliance:
no
Type of measurement:
background concentration
Media:
other: seawater, sediment, sewage sludge, STP effluent, blue mussels

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
not applicable

Study design

Details on sampling:
- Geographic coordinates: site 1) Oslo Ullevål hospital, site 2) Oslo VEAS STP, site 3) inner Oslofjord from Ramton and Gåsøya, site 4) Tromsø University hospital of Northern Norway, site 5) Breivika STP, Tromsøsund
- Known emission sources near sampling site: yes
- Period of sampling: late summer; sampling was performed after period of no or limited precipitation
- Sampling: seawater was collected in depths ranging from 10 to about 40 m using a Hiskin water sampler (5 litres) and transferred to silanised amber glass bottles (normally 2.5 litres), effluent was collected in silanised amber glass bottles (normally 2.5 litres) using an automatic composite sampler (Isco 6712) or other automatic sampling equipment, sediment and sludge were collected in 100 mL plastic containers, mussels were collected in baked (500 °C) glass
- Sample storage before analysis: all samples were processed as quickly as possible after taking the samples

Results and discussion

Concentrationopen allclose all
Country:
Norway
Location:
Oslofjord, Tromsøsund, Bømlafjord, Romsdalsfjord
Substance or metabolite:
substance
Conc.:
< 0.002 µg/L
Remarks on result:
other: Seawater, n = 20 samples
Country:
Norway
Location:
Oslofjord, Tromsøsund
Substance or metabolite:
substance
Conc.:
< 5 other: ng/g dry weight
Remarks on result:
other: Sediment, n = 16
Country:
Norway
Location:
Oslo, Breivika
Substance or metabolite:
substance
Conc.:
< 0.002 µg/L
Remarks on result:
other: STP effluent, n = 8
Country:
Norway
Location:
Oslo, Breivika
Substance or metabolite:
substance
Conc.:
< 20 other: ng/g dry weight
Remarks on result:
other: Sewage sludge, n = 4
Country:
Norway
Location:
Oslofjord, Tromsøsund
Substance or metabolite:
substance
Conc.:
< 5 other: ng/g (w/w)
Remarks on result:
other: Mussels, n = 8

Any other information on results incl. tables

The substance was not detected above the limit of detection (LoD) in any of the samples.

Applicant's summary and conclusion

Conclusions:
The substance was not detected by gas chromatography in seawater samples, sediment samples, STP effluents, sewage sludge and blue mussels collected in Norway in the framework of a national Norwegian monitoring programme.
Executive summary:

The environmental occurrence of BMDBM was surveyed in the framework of a Norwegian national environmental monitoring programme. Samples from different environmental media (seawater n = 20, sediment n = 16, STP effluent n = 8, sewage sludge n = 4, mussels n =8) were collected during late summer. The substance was extracted by using a suitable solid phase (silica column). Analysis were performed by gas chromatography. The substance was not detected above the LoD in any of the samples.