Examples of 'beta-hch' in a sentence
Meaning of "beta-hch"
Beta-HCH (noun): Beta-Hexachlorocyclohexane, a chemical compound used in pesticides and insecticides. It is a type of hexachlorocyclohexane
How to use "beta-hch" in a sentence
Basic
Advanced
beta-hch
There are several pathways of beta-HCH for entering the environment.
Neurological effects have also been reported in rats exposed to beta-HCH.
Toxicological studies with beta-HCH have demonstrated neurotoxicity and hepatotoxicity.
Investigations of the hydrolysis and photolysis of beta-HCH are extremely limited.
It can be concluded that beta-HCH is bioavailable in the environment and in biota.
Birds and bats can accumulate higher concentrations of beta-HCH.
According to available data beta-HCH can be considered to be persistent in the environment.
There are limited studies to estimate cancer risk from exposure to beta-HCH.
Residues of beta-HCH remained for years in treated plots in several studies.
One study in mice is adequate for an evaluation of the carcinogenicity of beta-HCH.
It can be concluded that beta-HCH concentrations in breast milk are highly exposure-dependent.
Studies on the mode of action of carcinogenicity showed no clear initiating potential of beta-HCH.
Information on the toxicity of beta-HCH is mostly derived from experimental studies in animals.
No negative economic impact is apparent for the suggested control measures for alpha - and beta-HCH.
Both alpha - and beta-HCH have recently been shown to disrupt endocrine processes.
See also
A ban on production and use of alpha - and beta-HCH would also affect waste issues.
Again beta-HCH was the predominant isomer in birds no detailed values for beta-HCH were reported.
Thus the only production of alpha - and beta-HCH is linked to the production of lindane.
Beta-HCH is acutely toxic to aquatic organisms.
Several epidemiological studies indicate that beta-HCH might play a role in human breast cancer.
Human exposure to beta-HCH results mostly from ingestion of contaminated plants, animals and animal products.
Information confirms that the potential for bioaccumulation of beta-HCH is higher than that for lindane.
Beta-HCH appears to be persistent in investigated species.
Austria on behalf of Germany prepared the first working draft on beta-HCH.
Beta-HCH is the most persistent isomer of hexachlorcyclohexane.
Information on Bioavailability Beta-HCH is moderately associated with organic matter in the environment.
Beta-HCH is present in terrestrial and aquatic food chains.
Compared to the other HCH isomers, concentrations of beta-HCH in the air are low.
Beta-HCH is present in terrestrial and aquatic food chain.
Under favourable conditions, beta-HCH is susceptible to biodegradation.
Beta-HCH transfers from mothers to embryos and nursing infants.
For these reasons, global action on beta-HCH is warranted.
Beta-HCH is in principle biodegradable under oxic and anoxic conditions.
Carcinogenicity, Studies of the carcinogenicity of beta-HCH are limited.
Beta-HCH is moderately associated with organic matter in the environment.
Selected physico-chemical properties of beta-HCH are provided in Table 1.
Beta-HCH by itself is neither intentionally produced nor placed on the market.
Several studies concerning beta-HCH in breast milk are listed in Table 2.
Beta-HCH is lipophilic and accumulates in adipose tissue and breast milk.
In the terrestrial Arctic food chain, beta-HCH can also biomagnify in mammals.
Beta-HCH is acutely toxic to aquatic organisms and shows estrogenic effects in fish.
Chemical and toxicological properties The main characteristics of alpha - and beta-HCH are described in Table 2.
Beta-HCH is more soluble in water and octanol compared to other organochlorine pesticides.
Animal studies and a study with MCF-7 cells showed weak estrogenic effects of beta-HCH.
Beta-HCH is a constituent of technical HCH, which is regulated at least by two international agreements.
Risk characterisation USEPA performed a dietary risk assessment for Alaskan communities for alpha and beta-HCH in 2006.
Beta-HCH levels were higher in the blood of women with miscarriages compared to a control group.
The chemical characterisation of alpha - and beta-HCH is compiled in table 1.1.
Beta-HCH was also detected in placenta tissue thus exposing offspring at critical periods of development.
Also, in the terrestrial food chain, beta-HCH may biomagnify.
