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Pesticides in the United States are used predominantly by the agricultural sector,^[1] but approximately a quarter of them are used in houses, yards, parks, golf courses, and swimming pools.^[2]

Use

Atrazine

Atrazine is the second-most commonly used herbicide in the United States after glyphosate, with application of approximately 76,000,000 pounds (34,000 t) of the active ingredient in 1997.^[3]

The U.S. EPA said in the 2003 Interim Reregistration Eligibility Decision, "The total or national economic impact resulting from the loss of atrazine to control grass and broadleaf weeds in corn, sorghum and sugarcane would be in excess of $2 billion per year if atrazine were unavailable to growers." In the same report, it added the "yield loss plus increased herbicide cost may result in an average estimated loss of $28 per acre" if atrazine were unavailable to corn farmers.^[4]

In 2006, the EPA concluded that the triazine herbicides posed "no harm that would result to the general U.S. population, infants, children or other... consumers."^[5]

EPA concluded, in 2007, that atrazine does not adversely affect amphibian gonadal development based on a review of laboratory and field studies, including studies submitted by the registrant and studies published in the scientific literature.^[6]

In 2009, Paul Winchester, a professor of pediatrics at the Indiana University School of Medicine, wrote a paper that was published in Acta Paediatrica^[7] reviewing national records for thirty million births, found that children conceived between April and July, when the concentration of atrazine, mixed with other pesticides, in water is highest, were more likely to have genital birth defects.

A 2010 study, conducted by the U.S. Geological Survey, observed substantial adverse reproductive effects on fish from atrazine exposure at concentrations below the USEPA water-quality guideline.^[8]

DDT

The use of DDT in the United States was banned in 1972, except for a limited exemption for public health uses. Public concern about the usage of DDT was largely influenced by the book, Silent Spring, written by Rachel Carson.^[9] The ban on DDT is cited by scientists as a major factor in the comeback of the bald eagle in the continental United States.^[10]

Regulation

The Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) was first passed in 1947, giving the United States Department of Agriculture responsibility for regulating pesticides.^[11] In 1972, FIFRA underwent a major revision and transferred responsibility of pesticide regulation to the Environmental Protection Agency and shifted emphasis to protection of the environment and public health.^[11]

Issues

Pesticides were found to pollute every stream and more than 90% of wells sampled in a 2007 study by the US Geological Survey.^[12] Pesticide residues have also been found in rain and groundwater.^[1]

United States agricultural workers experience 10,000 cases or more of physician-diagnosed pesticide poisoning annually.^[13]

The National Academy of Sciences estimates that between 4,000 and 20,000 cases of cancer are caused per year by the allowed amounts of pesticide residues in food.^[2]

In California, counties with a majority Latino population use 906% more pesticides (at 2,373 pounds per square mile and 22 pounds per person) than counties in which the Latino population is fewer than 24% (at 262 pounds per square mile and 2.4 pounds per person).^[14]

Effects on biota

Resistance

Pesticide resistance has evolved in insect and plant populations in the United States. ^[15]^[16] Some insects and plants have evolved resistance to multiple pesticides.

Birds

The USDA and USFWS estimate that more than 67 million birds are killed by pesticides each year in the U.S.^[2]

Fish

The United States Department of Agriculture and the United States Fish and Wildlife Service estimate that between 6 and 14 million fish are killed by pesticides each year in the U.S.^[2]

Amphibians

U.S. scientists have found that some pesticides used in farming disrupt the nervous systems of frogs, and that use of these pesticides is correlated with a decline in the population of frogs in the Sierra Nevada.^[17]

Some scientists believe that certain common pesticides already exist at levels capable of killing amphibians in California.^[18] They warn that the breakdown products of these pesticides may be 10 to 100 times more toxic to amphibians than the original pesticides.^[18] Direct contact of sprays of some pesticides (either by drift from nearby applications or accidental or deliberate sprays) may be highly lethal to amphibians.^[19]

Being downwind from agricultural land on which pesticides are used has been linked to the decline in population of threatened frog species in California.^[20]

In Minnesota, pesticide use has been linked causally to congenital deformities in frogs such as eye, mouth, and limb malformations.^[21] Researchers in California found that similar deformities in frogs in the U.S. and Canada may have been caused by breakdown products from pesticides whose use is categorized as not posing a threat.^[22]

Pesticide residue in food

The Pesticide Data Program,^[23] a program started by the United States Department of Agriculture is the largest tester of pesticide residues on food sold in the United States. It began in 1991 and tests food for the presence of various pesticides and if they exceed EPA tolerance levels for samples collected close to the point of consumption. Their most recent summary results are from the 2016 where more than 99% of samples were well below EPA tolerance levels.^[24] Tolerance violations were detected in 0.46 percent samples tested out of 10,365 samples. Of the 48 samples, 26 were domestic, 20 were of foreign origin, and 2 were of unknown origin.^[24]

References

^ ^a ^b Kellogg RL, Nehring R, Grube A, Goss DW, and Plotkin S (February 2000), Environmental indicators of pesticide leaching and runoff from farm fields Archived 2002-06-18 at the Wayback Machine. United States Department of Agriculture Natural Resources Conservation Service. Retrieved on 2007-10-03.
^ ^a ^b ^c ^d Miller GT (2004), Sustaining the Earth, 6th edition. Thompson Learning, Inc. Pacific Grove, California. Chapter 9, pp. 211–216.
^ "Atrazine: Chemical Summary – Toxicity and Exposure Assessment for Children’s Health", Environmental Protection Agency publication (Last revised 4/24/2007: includes research articles and other information through 2006)
^ Potential Association Between Atrazine Exposure and Prostate Cancer and Other Cancers in Humans. 2003 Interim Reregistration Eligibility Decision. U.S. EPA.
^ Triazine Cumulative Risk Assessment and Atrazine, Simazine, and Propazine Decisions, June 22, 2006, EPA.
^ Atrazine Updates, April 2010, EPA.
^ Winchester, Paul. "Agrichemicals in surface water and birth defects in the United States", Acta Paediatrica, Volume 98, #4, pp. 664–669, April 2009
^ "Commonly used atrazine herbicide adversely affects fish reproduction". ScienceDaily.
^ US EPA, OCSPP (2014-01-07). "DDT – A Brief History and Status". www.epa.gov. Retrieved 2022-04-01.
^ US EPA, ORD (2016-06-08). "The Case of DDT: Revisiting the Impairment". www.epa.gov. Retrieved 2022-04-01.
^ ^a ^b Willson, Harold R (February 23, 1996), Pesticide Regulations Archived 2011-06-17 at the Wayback Machine. University of Minnesota. Retrieved on 2007-10-15.
^ Gilliom, RJ, Barbash, JE, Crawford, GG, Hamilton, PA, Martin, JD, Nakagaki, N, Nowell, LH, Scott, JC, Stackelberg, PE, Thelin, GP, and Wolock, DM (February 15, 2007), The Quality of our nation’s waters: Pesticides in the nation’s streams and ground water, 1992–2001. Chapter 1, Page 4. US Geological Survey. Retrieved on September 13, 2007.
^ "NIOSH Pesticide Poisoning Monitoring Program Protects Farmworkers". NIOSH. December 2011. Retrieved 20 March 2021.
^ "Pesticide use in California remains at record high, new data show | Pesticide Action Network". www.panna.org. Retrieved 2022-12-30.
^ Daly H, Doyen JT, and Purcell AH III (1998), Introduction to insect biology and diversity, 2nd edition. Oxford University Press. New York. Chapter 14, pp. 279–300.
^ Service, Robert F. (20 September 2013). "What Happens When Weed Killers Stop Killing?". Science. 341 (6152): 1329. doi:10.1126/science.341.6152.1329. PMID 24052282.
^ Cone M (December 6, 2000), A wind-borne threat to Sierra frogs: A study finds that pesticides used on farms in the San Joaquin Valley damage the nervous systems of amphibians in Yosemite and elsewhere Archived 2015-11-02 at the Wayback Machine. L.A. Times Retrieved on September 17, 2007.
^ ^a ^b ScienceDaily (June 25, 2007), Breakdown products of widely used pesticides are acutely lethal to amphibians, study finds. Sciencedaily.com. Retrieved on September 17, 2007.
^ "University of Pittsburgh". Archived from the original on 2008-05-11. Retrieved 2009-07-28.
^ ScienceDaily (November 28, 2002), More evidence to link pesticide use with amphibian decline. Sciencedaily.com. Retrieved on September 17, 2007.
^ Meersman T (October 25, 1999), Studies link frog deformities to pesticides. Star Tribune Retrieved on September 18, 2007.
^ Science Daily (May 4, 1998), Pesticides linked to widespread cases of deformed frogs. Sciencedaily.com. Retrieved on 2007-10-12.
^ "Pesticide Data Program". www.ams.usda.gov. USDA. Retrieved 20 May 2018.
^ ^a ^b "Pesticide Data Program" (PDF). USDA. Retrieved 20 May 2018.

External links

United States Environmental Protection Agency – Pesticides page
Centers for Disease Control – Compiled information on health effects of pesticides.
United States Department of Agriculture – Pesticide Data Program
Pesticide Residues in Food – Data and Summary reports from the USDA on pesticide residues in food sold in the United States.
Pesticides: Use, Effects, and Alternatives to Pesticides in Schools (pdf) from the United States General Accounting Office
Croplifeamerica.org, – US trade association representing the crop protection and pest control industry
1997US Geological Survey's National Water-Quality Assessment Program pesticide use map – shows estimates of pesticide type and intensity of pesticide use by business of mass food production.
All Supporting Agro-Chemical Manufacturers a list of United States Environmental Protection Agency (EPA) pesticide labels for pesticides by trade name.
A Persistent Controversy, a Still Valid Warning – May Berenbaum, head of the entomology department at University of Illinois, Urbana-Champaign

[Kelloggrl-1] Kellogg RL, Nehring R, Grube A, Goss DW, and Plotkin S (February 2000), Environmental indicators of pesticide leaching and runoff from farm fields Archived 2002-06-18 at the Wayback Machine. United States Department of Agriculture Natural Resources Conservation Service. Retrieved on 2007-10-03.

[sustaining-2] Miller GT (2004), Sustaining the Earth, 6th edition. Thompson Learning, Inc. Pacific Grove, California. Chapter 9, pp. 211–216.

[3] "Atrazine: Chemical Summary – Toxicity and Exposure Assessment for Children’s Health", Environmental Protection Agency publication (Last revised 4/24/2007: includes research articles and other information through 2006)

[EPA_Re-reg-4] Potential Association Between Atrazine Exposure and Prostate Cancer and Other Cancers in Humans. 2003 Interim Reregistration Eligibility Decision. U.S. EPA.

[5] Triazine Cumulative Risk Assessment and Atrazine, Simazine, and Propazine Decisions, June 22, 2006, EPA.

[6] Atrazine Updates, April 2010, EPA.

[acta-7] Winchester, Paul. "Agrichemicals in surface water and birth defects in the United States", Acta Paediatrica, Volume 98, #4, pp. 664–669, April 2009

[8] "Commonly used atrazine herbicide adversely affects fish reproduction". ScienceDaily.

[9] US EPA, OCSPP (2014-01-07). "DDT – A Brief History and Status". www.epa.gov. Retrieved 2022-04-01.

[10] US EPA, ORD (2016-06-08). "The Case of DDT: Revisiting the Impairment". www.epa.gov. Retrieved 2022-04-01.

[regWillson-11] Willson, Harold R (February 23, 1996), Pesticide Regulations Archived 2011-06-17 at the Wayback Machine. University of Minnesota. Retrieved on 2007-10-15.

[12] Gilliom, RJ, Barbash, JE, Crawford, GG, Hamilton, PA, Martin, JD, Nakagaki, N, Nowell, LH, Scott, JC, Stackelberg, PE, Thelin, GP, and Wolock, DM (February 15, 2007), The Quality of our nation’s waters: Pesticides in the nation’s streams and ground water, 1992–2001. Chapter 1, Page 4. US Geological Survey. Retrieved on September 13, 2007.

[13] "NIOSH Pesticide Poisoning Monitoring Program Protects Farmworkers". NIOSH. December 2011. Retrieved 20 March 2021.

[14] "Pesticide use in California remains at record high, new data show | Pesticide Action Network". www.panna.org. Retrieved 2022-12-30.

[Daly-15] Daly H, Doyen JT, and Purcell AH III (1998), Introduction to insect biology and diversity, 2nd edition. Oxford University Press. New York. Chapter 14, pp. 279–300.

[Service-16] Service, Robert F. (20 September 2013). "What Happens When Weed Killers Stop Killing?". Science. 341 (6152): 1329. doi:10.1126/science.341.6152.1329. PMID 24052282.

[cone-17] Cone M (December 6, 2000), A wind-borne threat to Sierra frogs: A study finds that pesticides used on farms in the San Joaquin Valley damage the nervous systems of amphibians in Yosemite and elsewhere Archived 2015-11-02 at the Wayback Machine. L.A. Times Retrieved on September 17, 2007.

[scidai-18] ScienceDaily (June 25, 2007), Breakdown products of widely used pesticides are acutely lethal to amphibians, study finds. Sciencedaily.com. Retrieved on September 17, 2007.

[19] "University of Pittsburgh". Archived from the original on 2008-05-11. Retrieved 2009-07-28.

[20] ScienceDaily (November 28, 2002), More evidence to link pesticide use with amphibian decline. Sciencedaily.com. Retrieved on September 17, 2007.

[21] Meersman T (October 25, 1999), Studies link frog deformities to pesticides. Star Tribune Retrieved on September 18, 2007.

[22] Science Daily (May 4, 1998), Pesticides linked to widespread cases of deformed frogs. Sciencedaily.com. Retrieved on 2007-10-12.

[23] "Pesticide Data Program". www.ams.usda.gov. USDA. Retrieved 20 May 2018.

[PDP-24] "Pesticide Data Program" (PDF). USDA. Retrieved 20 May 2018.

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PROFILPELAJAR.COM

Pesticides in the United States

Use

Atrazine

DDT

Regulation

Issues

Effects on biota

Resistance

Birds

Fish

Amphibians

Pesticide residue in food

See also

References

External links

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