Results 91 to 100 of about 42,677 (219)

The assessment of content polychlorinated biphenyls in soils of Moscow

open access: yesRUDN Journal of Ecology and Life Safety, 2014
There are given the measurement results of polychlorinated biphenyls concentration in the soils at a different functional areas of Yasenevo district in Moscow. Found that the major source of PCB in the district’s soils today are motorways.
Y I Baeva, D S Ivanova
doaj  

Photochemical of Polychlorinated biphenyl by the photolysis and solvent

open access: yesJournal of Applied Sciences and Environmental Management, 2011
Polychlorinated biphenyls (PCBs) are one group of persistent organic pollutants (POPs) that are of international concern because of global distribution, persistence, and toxicity.
Hassan Asilian   +5 more
doaj   +1 more source

Safety and efficacy of a feed additive consisting of cocoa absolute from the dried seeds of Theobroma cacao L. in propylene glycol for use in all animal species except cats (FEFANA asbl)

open access: yesEFSA Journal, Volume 24, Issue 10, October 2026.
Abstract Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of a feed additive consisting of a preparation of cocoa absolute (obtained by ■■■■■ extraction from the dried seeds of Theobroma cacao L.) in propylene glycol when used as a sensory additive in feed and water for drinking
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP)   +23 more
wiley   +1 more source

Cleanup and quantification of polychlorinated dibenzo-p-dioxins/furans and polychlorinated biphenyls

open access: yes, 1998
By using modern techniques of isotope dilution, high-resolution gas chromatography/high-resolution mass spectrometry and multiple ions detection, an effective cleanup, qualitative and quantitative method was developed for polychlorinated dibenzo-p ...
Kettrup, A   +8 more
core  

Safety and efficacy of a feed additive consisting of methyl salicylate [09.749] obtained from the leaves of Gaultheria procumbens L. for use in all animal species except cats (FEFANA asbl)

open access: yesEFSA Journal, Volume 24, Issue 10, October 2026.
Abstract Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of methyl salicylate [09.749] obtained by steam distillation from the leaves of Gaultheria procumbens L. when used as a sensory additive in feed for all animal species except cats. The EFSA Panel on Additives and Products
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP)   +23 more
wiley   +1 more source

Levels and spatial distribution of gaseous polychlorinated biphenyls and polychlorinated naphthalenes in the air over the northern South China Sea

open access: yes, 2012
Monitoring marine persistent organic pollutants (POPs) is important because oceans play a significant role in the cycling of POPs. The South China Sea (SCS) is surrounded by developing countries in Southeast Asia which are centers of e-waste recycling ...
Li, Jun   +5 more
core  

Kinetics of polychlorinated biphenyls transformation during composting [PDF]

open access: yes, 2009
Systematycznie rosnąca ilość wytwarzanych osadów ściekowych w oczyszczalniach stanowi poważny problem ekologiczny. Według danych GUS z 2006r., w Polsce powstaje rocznie około 501,3 tys. ton s.m. osadów ściekowych [6].
Siebielska, I.
core  

Determination of polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans, and dioxin-like polychlorinated biphenyls in biota and sediment

open access: yes, 2012
Polychlorinated dibenzo‐p‐dioxins, polychlorinated dibenzofurans (PCDD/Fs) and polychlorinated biphenyls (PCBs) are environmental contaminants regulated by the Stockholm Convention of Persistent Organic Pollutants.
P. Lepom (11960957)   +8 more
core   +1 more source

Use and Replaceability of Polychlorinated Biphenyls

open access: yesEnvironmental Health Perspectives, 1972
tEd. Note: This paper was given at the PCBs Conference reported in Issue number 1, April 1972, but was not ready for publication in that issue. Since it was submitted the Monsanto Company released PCBs production figures for 1960-1971 (Monsanto press release of November 30, 1971).
openaire   +2 more sources

Polychlorinated biphenyls and reproductive hormones in female polar bears at Svalbard

open access: yes, 2003
High concentrations of polychlorinated biphenyls (PCBs) in polar bears from Svalbard have increased concern for that population’s reproductive health. We examined whether there were associations between the plasma concentrations of PCBs and reproductive ...
Haave, M.   +6 more
core   +1 more source

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