Malathion (mercaptosuccinic acid diethyl ester) is an OP that is used widely to control insects agriculturally and West Nile virus by eliminating mosquito vectors (US Environmental Protection Agency 2000, Agency for Toxic Substances and Disease Registry 2003).
The EPA provides a risk quotient for malathion of 1.9 for aquatic invertebrates, but derives this value on the basis of toxicity data obtained solely from research on the freshwater crustacean species Daphnea magna (US Environmental Protection Agency 2000).
It was also mentioned on the occasion that with the support of a donor agency 2000
more such cameras are being installed at 400 new locations in the city to improve vigilance.
Only a few hundred employees--well under one per cent (Canada Customs and Revenue Agency 2000
: 28)--refused the deemed job offer, many of them approaching retirement and eligible for an additional week's severance pay if they were laid off in the transition to Agency as opposed to retiring from the Agency.
The analysis is enriched by a first processing of the georeferred data on land use and cover, which is provided by the European Project "Corine Land Cover 2000" (European Environment Agency 2000
She had talks with AZK - Agency 2000
, of Los Angeles, and New York Management.
Environmental Protection Agency 2000
), although worldwide use, particularly in agriculture, will continue for the foreseeable future.