However, some exterminators have used methyl parathion indoors, where there is no sunlight to break it down, causing major environmental problems.
42.
Schrader discovered several very effective insecticides, including bladan ( the first fully synthetic contact insecticide ), and parathion ( E 605 ).
43.
Some of these chemicals, such as chlorpyrifos, diazinon, and parathion, do not manifest their main toxicity in their original form.
44.
Last year, the agency banned the use of methyl parathion on all fruit and many vegetables and restricted the use of azinphos-methyl.
45.
Last year the agency banned the use of the pesticide methyl parathion on fruits and many vegetables and restricted the use of azinphos-methyl.
46.
Officials said they believed the insecticide involved was methyl-parathion and that a sample of the food had been sent to Lima for analysis.
47.
One common cause of SLUDGE is exposure to organophosphorus insecticides ( including parathion, malathion, and diazinon ) or nerve gas, such as sarin.
48.
The next morning, after the death of the last child, Dianne, a two-pound sack of parathion was discovered in the shed.
49.
That was until February, when he was told to spray the tomatoes with a diluted mixture of three pesticides, including the highly toxic chemical parathion.
50.
Fresh American-grown peaches from 1995 got the highest toxicity score, 5, 376, due largely to the presence of the chemical methyl parathion.
