Most likely the fish deaths brominated vegetable oil caused by a substance that rapidly biodegradable and does not accumulate in fish body considers food safety, animal health and environmental research institute BIOR" specialists.
How to inform the Deputy Director of the Laboratory Olga Valciņa issues, in this case, it is particularly important to start all environmental and biological sample analysis as soon as possible, now "BIOR 1 job significantly more difficult by the fact that the institute was not immediately involved in the diagnosis.
Valciņa brominated vegetable oil informed that "BIOR" has already made a number of tests. Analysis carried out confirms that the river will not continue and no water pollution endangered fish populations. The first series of analyzes aimed at clarifying whether the fish are not killed due to illness or an electric shock. Expertise that version was not confirmed. The parallel pathological analysis indicated irritating or toxic effects on fish organism.
She explains that a chemical analysis objective was to determine whether fish and water are the active substances contained in pesticides used in agriculture and in environmental objects or remains are hazardous to humans and the environment objects. Analysis carried out confirms brominated vegetable oil that examining the possible presence of 201 pesticides, the analysis results show that substances are beigtajās fish.
In order to ensure a higher degree of data quality, in addition, was used particularly complex test method - gas chromatography-mass spectrometry-, brominated vegetable oil which has been the identification of hazardous substances in fish liver. As a result, the analysis did not show any harmful substances. By inductively coupled plasma-mass spectrometry, found that the toxic element content (cadmium, lead, mercury, arsenic, copper) does not exceed the limit indicated Valciņa. brominated vegetable oil
She explained that the scene taken water sample analysis showed the presence of some surfactants. Surfactants degrade very quickly and usually does not accumulate in living organisms. This suggests that the adverse effects of surfactants has been very short-lived and is now virtually brominated vegetable oil no pollution of water, and the fish are not endangered. "Unfortunately Institute" BIOR "investigation was already killed the fish, it was several days after the fish were actually killed, it also seriously complicates testing for contamination and clearance reasons," explains "BIOR spokeswoman.
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