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Pesticide Use

Last modified: 2/20/2013 11:38 AM

A variety of pesticides are used in USA in agricultural, non-production agriculture and urban environments. People use insecticides, herbicides and chemical fertilizers to stop insects and weeds from thriving in their gardens or buildings, but these have the potential to harm our health and the environment. Any rational approach to pesticide use should include a risk-benefit comparison. Pesticides, by nature, are risky, but their benefits are real and easily taken for granted. Just as the benefits of pesticides are real, so are the risks. Misuse of pesticides and accidents involving pesticides constantly occur. And even when used correctly, some pesticides can harm the environment and non-targeted living things. The purpose of this chapter is to explain the nature of pesticides, their history, their benefits, their risks, the regulations in place to ensure their responsible use, and current trends in their use.

What is a Pesticide?  
People often think pesticide means "insecticide". Actually pesticide refers to many different kinds of chemicals that are intended to control, destroy, repel, or attract a pest. Pests can be animals (insects, mice or deer), unwanted plants (weeds), or micro- organisms (plant and human diseases). Many pesticides are found around the home. These include bleach, ammonia, and may household cleaners as well as ant and roach sprays and baits, no-pest strips, and mosquito repellent. We even use pesticides on our pets in the form of flea and tick collars, powders, and shampoos. A pesticide is any substance or mixture of substances intended for preventing, destroying, repelling, or mitigating any pest.
Types of Pesticides 
Though often misunderstood to refer only to insecticides, the term pesticide also applies to herbicides, fungicides, and various other substances used to control pests.
Under United States law, a pesticide is also any substance or mixture of substances intended for use as a plant regulator, defoliant, or desiccant.
Is there any ideal pesticide? 
"Ideally, any pesticide that will act rapidly on pests yet be completely harmless to people, domestic animals, wildlife, and other aspects of the environment. Its residues would last only as long as was necessary to create the desired effect, usually for very short periods. It would also be inexpensive and readily available in necessary quantity, chemically stable (before application), non-flammable, and otherwise, safe to use around homes or industrial sites. It would be easily prepared and applied, no corrosive, and non-staining, and it would have no undesirable odor." (Truman's Scientific Guide to Pest Control Operations, ISBN 0-929870-45-X). Unfortunately, no such ideal pesticide exists!

What substances are not regulated as Pesticides?

The U.S. definition of pesticides is quite broad, but it does have some exclusion:

  • Drugs used to control diseases of humans or animals (such as livestock and pets) are not considered pesticides; the Food and Drug Administration regulate such drugs.
  • Fertilizers, nutrients, and other substances used to promote plant survival and health are not considered plant growth regulators and thus are not pesticides.
  • EPA exempts biological control agents, except for certain microorganisms, from regulation. (Biological control agents include beneficial predators such as birds or ladybugs that eat insect pests.)
  • Products, which contain certain low-risk ingredients, such as garlic and mint oil, have been exempted from Federal registration requirements, although State regulatory requirements may still apply. For a list of ingredients which may be exempt, and a discussion of allowable label claims for such products, see EPA's Pesticide Registration Notice 2000-6, "Minimum Risk Pesticides Exempted under FIFRA Section 25(b)" & inert of minimal concern (List 4)

Pesticide Information

Sources of Pesticide Profiles

Pesticide Label & Material Safety Data Sheets (MSDS)

Pesticide Emergencies

Information on Pesticide Waste Disposal

Pesticide Safety Education

  • Pesticide Safety Information Series - CA DPR Worker Health and Safety Branch developed Pesticide Safety Information Series (PSIS) leaflets primarily as a training aid for employees.
  • Purdue Pesticide Information - These publications are written for professionals who work in government, universities, associations, and also for the general public who want to understand pesticide issues beyond the headlines.
  • University of California Pesticide Safety Education Program - The Pesticide Safety Education Program staff collaborates with industry, regulatory agencies, and campus and county-based Cooperative Extension personnel to develop materials and conduct training programs.
  • University of California: Pesticide Safety Publications - A few of the publications of interest are:
    • WPS Training for Fieldworkers: Teaching Workers How to Protect Themselves from Pesticide Hazards in the Workplace
    • Reducing Pesticide Risks: An Interactive Program for Training Pesticide Handlers
    • Pesticide Applicator Instructor's Handbook, 4th edition
    • Pesticide Safety: A Reference Manual for Private Applicators
    • Pesticide Safety for Small Farms: A Grower's Guide to Pesticide Safety
  • Model Certification Training Manual for Rights-of-Way Pesticide Applicators- This manual was prepared by some of the nation's leaders in right-of-way vegetation management. They represent the major regions of the U.S. and major right-of-way sectors. The manual reflects their knowledge and experience in training right-of-way applicators.
  • Virtual Pesticide Safety Education Institute - This digital site was created and is maintained by Virginia Tech Pesticide Programs, a unit of the Department of Entomology and Virginia Cooperative Extension at the Virginia Polytechnic Institute & State University in Blacksburg, Virginia, USA.
  • Journal of Pesticide Safety Education - The official journal of American Association of Pesticide Safety Educators

 

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