PMID- 24279694
OWN - NLM
STAT- MEDLINE
DCOM- 20141007
LR  - 20190110
IS  - 1520-5851 (Electronic)
IS  - 0013-936X (Linking)
VI  - 47
IP  - 24
DP  - 2013 Dec 17
TI  - Consistency in trophic magnification factors of cyclic methyl siloxanes in 
      pelagic freshwater food webs leading to brown trout.
PG  - 14394-402
LID - 10.1021/es404374j [doi]
AB  - Cyclic volatile methyl siloxanes (cVMS) concentrations were analyzed in the 
      pelagic food web of two Norwegian lakes (Mjosa, Randsfjorden), and in brown trout 
      (Salmo trutta) and Arctic char (Salvelinus alpinus) collected in a reference lake 
      (Femunden), in 2012. Lakes receiving discharge from wastewater treatment plants 
      (Mjosa and Randsfjorden) had cVMS concentrations in trout that were up to 2 
      orders of magnitude higher than those in Femunden, where most samples were close 
      to the limit of quantification (LOQ). Food web biomagnification of cVMS in Mjosa 
      and Randsfjorden was quantified by estimation of trophic magnification factors 
      (TMFs). TMF for legacy persistent organic pollutants (POPs) were analyzed for 
      comparison. Both decamethylcyclopentasiloxane (D5) and 
      dodecamethylcyclohexasiloxane (D6) biomagnified with TMFs of 2.9 (2.1-4.0) and 
      2.3 (1.8-3.0), respectively. Octamethylcyclotetrasiloxane (D4) was below the LOQ 
      in the majority of samples and had substantially lower biomagnification than for 
      D5 and D6. The cVMS TMFs did not differ between the lakes, whereas the legacy POP 
      TMFs were higher in Mjosa than inRandsfjorden. Whitefish had lower cVMS 
      bioaccumulation compared to legacy POPs, and affected the TMF significance for 
      cVMS, but not for POPs. TMFs of D5 and legacy contaminants in Lake Mjosa were 
      consistent with those previously measured in Mjosa.
FAU - Borga, Katrine
AU  - Borga K
AD  - Norwegian Institute for Water Research (NIVA), Gaustadalleen 21, N-0349 Oslo, 
      Norway.
FAU - Fjeld, Eirik
AU  - Fjeld E
FAU - Kierkegaard, Amelie
AU  - Kierkegaard A
FAU - McLachlan, Michael S
AU  - McLachlan MS
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20131126
PL  - United States
TA  - Environ Sci Technol
JT  - Environmental science & technology
JID - 0213155
RN  - 0 (Carbon Isotopes)
RN  - 0 (Lipids)
RN  - 0 (Nitrogen Isotopes)
RN  - 0 (Siloxanes)
RN  - 0 (Water Pollutants, Chemical)
RN  - 0THT5PCI0R (decamethylcyclopentasiloxane)
RN  - CZ227117JE (octamethylcyclotetrasiloxane)
RN  - XHK3U310BA (dodecamethylcyclohexasiloxane)
SB  - IM
MH  - Animals
MH  - Carbon Isotopes
MH  - Diet
MH  - *Environmental Monitoring
MH  - *Food Chain
MH  - Fresh Water/*chemistry
MH  - Lakes/chemistry
MH  - Limit of Detection
MH  - Lipids/analysis
MH  - Nitrogen Isotopes
MH  - Norway
MH  - Reproducibility of Results
MH  - Siloxanes/*analysis
MH  - Trout/*physiology
MH  - Water Pollutants, Chemical/*analysis
EDAT- 2013/11/28 06:00
MHDA- 2014/10/08 06:00
CRDT- 2013/11/28 06:00
PHST- 2013/11/28 06:00 [entrez]
PHST- 2013/11/28 06:00 [pubmed]
PHST- 2014/10/08 06:00 [medline]
AID - 10.1021/es404374j [doi]
PST - ppublish
SO  - Environ Sci Technol. 2013 Dec 17;47(24):14394-402. doi: 10.1021/es404374j. Epub 
      2013 Nov 26.