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Volume discounts!! This item is restricted in some States. Diazinon applied to soils can last for weeks or even months depending on the soil environment. Diazinon has the potential to dissolve in water, move through soils and contaminate groundwater. It was commonly found in drinking water sources before the phase-out of residential uses in Since the phase-out, diazinon has been detected in drinking water sources much less often.
Bacteria, sunlight and other chemical reactions break down diazinon in the environment over time into other chemicals. After diazinon has been applied, some of the diazinon can escape into the surrounding air, a process called volatilization.
Diazinon can be taken up by plants and moved throughout. The amount of diazinon in or on plants will decrease over time as the diazinon is broken down by the plant and by the environment.
Diazinon is very highly toxic to birds, bees and most other insects. Studies show that diazinon is moderately toxic to fish and amphibians, and is only slightly toxic to earthworms. NPIC provides objective, science-based answers to questions about pesticides. Please cite as: Harper, B. NPIC fact sheets are designed to answer questions that are commonly asked by the general public about pesticides that are regulated by the U.
This document is intended to be educational in nature and helpful to consumers for making decisions about pesticide use. NPIC provides objective, science-based information about pesticides and pesticide-related topics to enable people to make informed decisions.
Environmental Protection Agency cooperative agreement X The information in this publication does not in any way replace or supersede the restrictions, precautions, directions, or other information on the pesticide label or any other regulatory requirements, nor does it necessarily reflect the position of the U. This would occur through touching recently sprayed plants or from drinking contaminated waters.
Diazinon may enter the environment from agricultural applications, where it can be present in the soil, air, surface waters, and plant surfaces. It may be present in the air as either a vapour or a particulate. Diazinon breaks down relatively quickly in the environment with a half-life ranging from an hour to two weeks, depending on local conditions. Workers may be exposed to diazinon through inhalation, ingestion, or dermal absorption.
Agricultural workers such as farmers, farm managers, and labourers who apply this pesticide, along with those who manufacture it, are the most likely to be exposed at work. Only ear tag and soil drenching will be acceptable. This is because a lack of exposure data precluded it in the past. However, the team is investigating new sources of data and methods in order to potentially address this exposure in the future. Pesticide Label Search Search term: diazinon, accessed September 3.
Diazinon Search term: Diazinon, accessed September 8. Public Health Statement: Diazinon 9. Ministry of Justice. Government of Alberta. Occupational Health and Safety Code. Government of Manitoba. Justice and Office of the Attorney General. Government of Newfoundland and Labrador. Regulation 5,12 Occupational Health and Safety Regulations Government of the Northwest Territories. Government of Nova Scotia. Diazinon is still legal to use on about 40 crops, and California ranks among the top three states that use substantial amounts for agriculture.
EPA officials said the risks from agricultural use are considered low compared with residential use because the chemical is most dangerous from inhalation and skin contact, not from consumption of foods. Small amounts have been detected in some food and drinking water, but the levels are below that which might pose a risk to people, according to an EPA assessment.
Environmental groups, however, have criticized the EPA for not banning all uses of a pesticide with known dangers. Unlike the pesticide DDT, which was banned in the United States 30 years ago, diazinon does not persist in the environment or build up in the food chain. Instead, it is short-lived, breaking down within hours. However, it moves through soil and readily flows into groundwater or surface water. Residential use of diazinon in the s accounted for more bird kills than any other pesticide, the EPA said.
High doses can kill people or cause neurological problems such as dizziness, headache, weakness, muscle paralysis and nausea, according to the federal Agency for Toxic Substances and Disease Registry.
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