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In New Zealand in the 1930s, farmers reportedly had trouble with exploding trousers as a result of attempts to control ragwort, an agricultural weed. [1] Farmers had been spraying sodium chlorate, a government recommended weedkiller, onto the ragwort, and some of the spray had ended up on their clothes. Sodium chlorate is a strong oxidizing ...
Pentachlorophenol (PCP) is an organochlorine compound used as a pesticide and a disinfectant. First produced in the 1930s, it is marketed under many trade names. [5] It can be found as pure PCP, or as the sodium salt of PCP, the latter of which dissolves easily in water. It can be biodegraded by some bacteria, including Sphingobium ...
Pesticides can enter the body through inhalation of aerosols, dust and vapor that contain pesticides; through oral exposure by consuming food/water; and through skin exposure by direct contact. [96] Pesticides secrete into soils and groundwater which can end up in drinking water, and pesticide spray can drift and pollute the air.
The development of organophosphate insecticides dates back to the 1930s and is generally credited to Gerhard Schrader. [28] At the time pesticides were largely limited to arsenic salts ( calcium arsenate , lead arsenate and Paris green ) [ 29 ] or pyrethrin plant extracts, all of which had major problems. [ 30 ]
In the 1930s, a concern grew about the use of these pesticides; particularly against the use of arsenic insecticides that had resulted in deaths during the 1920s and 1930s. This growing concern and the discovery of newer more effective and inexpensive products such as DDT , BHC , aldrin , chlordane , parathion , captan and 2,4-D led to an ...
Nine killed by apple cider contaminated by a pesticide. [2] 1930, United States. Jake Leg poisoning. 1936, Japan. A massive food poisoning incident occurred when many prepackaged rice cakes, manufactured by Miyoshino confectionery shop, were supplied to Hamamatsu First Junior High School. On May 11, 2,072 people were afflicted, resulting in 47 ...
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FLIT manual spray pump for insecticides from 1928. A Flit gun is a hand-pumped insecticide sprayer used to dispense FLIT, a brand-name insecticide widely used against flies and mosquitoes between 1928 and the mid-1950s.