SENSOR-Pesticides

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SENSOR-Pesticides Logo SENSOR logo.jpg
SENSOR-Pesticides Logo

Sentinel Event Notification System for Occupational Risks (SENSOR)-Pesticides is a U.S. state-based surveillance program that monitors pesticide-related illness and injury. It is administered by the National Institute for Occupational Safety and Health (NIOSH), twelve state health agencies participate. NIOSH provides technical support to all participating states. It also provides funding to some states, in conjunction with the US Environmental Protection Agency (US EPA).

Contents

Pesticide-related illness is a significant occupational health issue, but it is believed to be underreported. Because of this, NIOSH proposed the SENSOR program to track pesticide poisonings. Because workers in many industries are at risk for pesticide exposure, and public concern exists regarding the use of and exposure to pesticides, government and regulatory authorities experience pressure to monitor health effects associated with them. SENSOR-Pesticides state partners collect case data from several different sources using a standard case definition and set of variables. This information is then forwarded to the program headquarters at NIOSH where it is compiled and put into a national database.

Researchers and government officials from the SENSOR-Pesticides program have published research articles that highlight findings from the data and their implications for environmental and occupational pesticide issues. These issues include eradication of invasive species, pesticide poisoning in schools, birth defects, and residential use of total release foggers, or "bug bombs," which are devices that release an insecticide mist.

Background

Although it is a significant occupational health issue, work-related pesticide poisoning is believed to be underreported. [1] Before the SENSOR program began, state programs that collected reports of occupational diseases did not usually conduct interventions. [2] While over 25 states required reporting of pesticide-related illness, most of them could not compile useful information on incidence or prevalence. [1] In response to these challenges, NIOSH proposed the SENSOR program as a model to track certain occupational conditions, including pesticides. [1] [2] [3]

Pesticide usage in the U.S., 2007. Epagraph-pesticideuse.PNG
Pesticide usage in the U.S., 2007.

Pesticide poisoning is an important occupational health issue because pesticides are used in a large number of industries, which puts many different categories of workers at risk. From 1995 to 2001, use in agriculture accounted for at least 70% of conventional pesticide use in the U.S., [4] [5] [6] [7] and the US EPA estimates that the agricultural sector has had a similar market share of pesticides since 1979. [7] Pesticides are particularly useful in agriculture because they increase crop yields and reduce the need for manual labor. [8] However, this extensive use puts agricultural workers at increased risk for pesticide illnesses. [9] [10] [11] Workers in other industries are at risk for exposure as well. [10] [11] For example, commercial availability of pesticides in stores puts retail workers at risk for exposure and illness when they handle pesticide products. [12] The ubiquity of pesticides puts emergency responders such as fire-fighters and police officers at risk, because they are often the first responders to emergency events and may be unaware of the presence of a poisoning hazard. [13] The process of aircraft disinsection, in which pesticides are used on inbound international flights for insect and disease control, can also make flight attendants sick. [14] [15]

The widespread use of pesticides, their release into the environment, and the potential for adverse public health effects due to exposure may raise public concern. [11] [16] Some feel that regulatory authorities have an ethical obligation to track the health effects of such chemicals. In the Handbook of Pesticide Toxicology, Calvert et al. write "[b]ecause society allows pesticides to be disseminated into the environment, society also incurs the obligation to track the health effects of pesticides." [16] Jay Vroom, president of CropLife America, said in a press release that "...our industry has a moral and ethical obligation...to know how these products impact humans." [17] Surveillance of pesticide-related injuries and illnesses is recommended by the American Medical Association, [18] the Council of State and Territorial Epidemiologists (CSTE), [19] the Pew Environmental Health Commission, [20] and the Government Accountability Office. [21] [22] [23]

History

Map of SENSOR-Pesticides program participation by State - as of 2013
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States receiving federal funding for participation
Unfunded program partners SENSOR-Pesticides state participation 2013 map thumbnail.png
Map of SENSOR-Pesticides program participation by State - as of 2013
   States receiving federal funding for participation
  Unfunded program partners

Beginning in 1987, NIOSH supported the implementation of the Sentinel Event Notification System for Occupational Risks (SENSOR) program in ten state health departments. The objectives of the program were to help state health departments develop and refine reporting systems for certain occupational disorders so that they could conduct and evaluate interventions and prevention efforts. The disorders covered by SENSOR included silicosis, occupational asthma, carpal tunnel syndrome, lead poisoning, and pesticide poisoning. While each participating state health department had previously done surveillance or interventions for some of these occupational illnesses, SENSOR helped the states to develop and refine their reporting systems and programs. [24]

The original SENSOR-Pesticides model was based on physician reporting. Each state contacted a select group of sentinel health care professionals on a regular basis to collect information. [16] However, this system was labor-intensive and did not yield many cases. [1] Because different states used different methods for collecting information, their data could not be compiled or compared to analyze for trends. [16] In response, NIOSH, along with other federal agencies (US EPA, National Center for Environmental Health), non-federal agencies (CSTE, Association of Occupational and Environmental Clinics), and state health departments, developed a standard case definition and a set of standardized variables. [16] As of 2013, SENSOR-Pesticides had 12 participating states contributing occupational pesticide-related injury and illness data: California, Florida, Iowa, Louisiana, Michigan, New York, North Carolina, and Washington received federal funding to support surveillance activities, while Nebraska, New Mexico, Oregon, and Texas were unfunded SENSOR-Pesticides program partners. [25]

Case definition

A case of pesticide-related illness or injury is characterized by an acute onset of symptoms that are temporally related to a pesticide exposure. [16] Cases are classified as occupational if exposure occurs at work, unless the case was a suicide or an attempted suicide.

Cases are reportable when:

State public health officials rate each case as definite, probable, possible or suspicious. Illness severity is assigned as low, moderate, severe, or fatal. [16]

Data collection

All states in the program require physicians to report pesticide-related injuries and illnesses; however, most states collect the majority of their data from workers’ compensation claims, poison control centers, and state agencies with jurisdiction over pesticide use, such as state departments of agriculture. [16] [25] When they receive a report, health department officials review the information to determine whether it was pesticide related. If it was, they request medical records and try to interview the patient (or a proxy) and anyone else involved in the incident (e.g. supervisors, applicators, and witnesses). The data is compiled each year and put into a national database.

In addition to identifying, classifying, and tabulating pesticide poisoning cases, the states periodically investigate pesticide-related events and develop interventions aimed at particular industries or pesticide hazards. [25]

Impact

Federal and state-level scientists and researchers with SENSOR-Pesticides have published articles on pesticide exposure events and trends using program data. These articles include MMWR publications [26] and articles in peer-reviewed journals on exposures such as acute pesticide-related illness in youth, [27] [28] agricultural workers, [10] retail workers, [12] migrant farm workers, [29] and flight attendants. [15] Several articles have attracted media attention and motivated legislative or other governmental action.

Florida Medfly Eradication Program

Ceratitis capitata, the Mediterranean fruit fly (Medfly) Male medfly close up insect.jpg
Ceratitis capitata, the Mediterranean fruit fly (Medfly)

In response to a Mediterranean fruit fly (also known as “Medfly”) outbreak, officials from the Florida Department of Agriculture sprayed pesticides (primarily malathion) and bait over five counties during the spring and summer of 1998. [30] Scientists from the University of Florida’s Institute of Food and Agricultural Sciences stated that malathion was being sprayed in a manner that did not pose a significant risk to public health. [31] During the eradication effort, the Florida Department of Health investigated 230 cases of illness that were attributed to the pesticide. [30] Officials from the Florida Department of Health and the SENSOR-Pesticides program published an article in Centers for Disease Control and Prevention (CDC) Morbidity and Mortality Weekly Report (MMWR) that described these case reports and recommended alternative methods for Medfly control, including exclusion activities at ports of entry to prevent importation, more rapid detection through increased sentinel trapping densities, and the release of sterile male flies to interrupt the reproductive cycle. [30] The United States Department of Agriculture (USDA) incorporated these suggestions into their 2001 Environmental Impact Statement on the Fruit Fly Cooperative Control Program. [32] These impact statements guide the USDA's development of insect control strategies and decisions.

Pesticides in schools

Researchers from the SENSOR-Pesticides program published an article in 2005 in the Journal of the American Medical Association (JAMA) on pesticide poisoning in schools. The article, which included data collected by SENSOR, described illnesses in students and school employees associated with pesticide exposures. [33] The study found that rates of pesticide-related illnesses in children rose significantly from 1998 to 2002 and called for a reduction in pesticide use to prevent pesticide-related illness on or near school grounds. The article generated media coverage and drew attention to pesticide safety in schools and to safer alternatives to pesticides through integrated pest management (IPM). [34] [35] [36] [37] [38] "[T]he study does provide evidence that using pesticides at schools is not innocuous and that there are better ways to use pesticides," said study co-author Dr. Geoffrey Calvert. [38] Officials in organizations supporting the pesticide industry, such as CropLife America and RISE (Responsible Industry for a Sound Environment, a trade association representing pesticide manufacturers and suppliers), reacted strongly to the report, calling it “alarmist” and “incomplete” in its health reporting. [36] [38] CropLife America president Jay Vroom claimed that the report was “written without context about the proper use of pesticides in schools and [did] not mention the positive public health protections they provide" [36] and stated that pesticide use in schools is "well regulated" and can be managed so that the risk is low. [38] RISE president Allen James faulted the article for relying on unverified reports and said that evidence suggested that such incidents were extremely rare. [38] The increased awareness of pesticide use in schools influenced parents and other stakeholders in numerous states to call for the adoption of integrated pest management programs. [39] According to the National Pest Management Association, three more states passed IPM rules or laws between October 2005 and October 2008. [40] [ unreliable source? ]

Birth defects in Florida and North Carolina

In February 2005, three infants were born with birth defects to migrant farmworkers within eight weeks of each other in Collier County, Florida. [25] [41] Because one of the mothers had worked in North Carolina and the other two worked in Florida, neither state's health department attributed the cluster to pesticide exposure at first. However, when they presented their findings at the annual SENSOR-Pesticides workshop in 2006, they realized that all three mothers worked for the same tomato grower during the period of organogenesis while pregnant, and that they may have been exposed to pesticides. The state health departments reported the cluster to their respective state agricultural departments. [25] The Florida Department of Agriculture and Consumer Services inspected the grower's farms in Florida and fined the company $111,200 for violations they discovered; the North Carolina Department of Agriculture and Consumer Services conducted a similar inspection of farms in North Carolina and fined the company $184,500. [25] [42] After the investigation, North Carolina Governor Mike Easley assembled the “Governor’s Task Force on Preventing Agricultural Pesticide Exposure.” It presented its findings in April 2008, [43] which caused the state legislature to pass anti-retaliation and recordkeeping laws, training mandates to protect the health of agricultural workers, and funding for improved surveillance. [25] In Florida, the state legislature added ten new pesticide inspectors to the Florida Department of Agriculture and Consumer Services. [25] [44]

Total release foggers

Total release foggers (TRFs), or "bug bombs," release a fog of insecticide to kill bugs in a room and coat surfaces with a chemical so the insects do not return. It is estimated that 50 million TRFs are used in the US annually. [45] SENSOR-Pesticides federal and state staff, along with officials from the California Department of Pesticide Regulation (CDPR), published an article in the CDC MMWR that called attention to injuries and illnesses resulting from use of total release foggers. [46] The New York State Department of Environmental Conservation (DEC) published a press release in response, stating that the state would restrict their use. [47] DEC Commissioner Pete Granis announced that the department would move to classify foggers as a restricted-use product in New York State, meaning that only certified pesticide applicators would be able to obtain them. In March 2010, US EPA announced required label changes on indoor TRF products that reflect the label change recommendations made in the MMWR article. [48]

Related Research Articles

<span class="mw-page-title-main">Pesticide</span> Substance used to destroy pests

Pesticides are substances that are meant to control pests. This includes herbicide, insecticide, nematicide, molluscicide, piscicide, avicide, rodenticide, bactericide, insect repellent, animal repellent, microbicide, fungicide, and lampricide. The most common of these are herbicides, which account for approximately 50% of all pesticide use globally. Most pesticides are intended to serve as plant protection products, which in general, protect plants from weeds, fungi, or insects. As an example, the fungus Alternaria solani is used to combat the aquatic weed Salvinia.

<span class="mw-page-title-main">Isocyanate</span> Chemical group (–N=C=O)

In organic chemistry, isocyanate is the functional group with the formula R−N=C=O. Organic compounds that contain an isocyanate group are referred to as isocyanates. An organic compound with two isocyanate groups is known as a diisocyanate. Diisocyanates are manufactured for the production of polyurethanes, a class of polymers.

Bromomethane, commonly known as methyl bromide, is an organobromine compound with formula CH3Br. This colorless, odorless, nonflammable gas is produced both industrially and biologically. It has a tetrahedral shape and it is a recognized ozone-depleting chemical. It was used extensively as a pesticide until being phased out by most countries in the early 2000s.

<span class="mw-page-title-main">Pesticide poisoning</span> Poisoning of humans from pesticide exposure

A pesticide poisoning occurs when pesticides, chemicals intended to control a pest, affect non-target organisms such as humans, wildlife, plants, or bees. There are three types of pesticide poisoning. The first of the three is a single and short-term very high level of exposure which can be experienced by individuals who commit suicide, as well as pesticide formulators. The second type of poisoning is long-term high-level exposure, which can occur in pesticide formulators and manufacturers. The third type of poisoning is a long-term low-level exposure, which individuals are exposed to from sources such as pesticide residues in food as well as contact with pesticide residues in the air, water, soil, sediment, food materials, plants and animals.

<span class="mw-page-title-main">National Institute for Occupational Safety and Health</span> US federal government agency for work-related health and safety

The National Institute for Occupational Safety and Health is the United States federal agency responsible for conducting research and making recommendations for the prevention of work-related injury and illness. NIOSH is part of the Centers for Disease Control and Prevention (CDC) within the U.S. Department of Health and Human Services. Despite its name, it is not part of either the National Institutes of Health nor OSHA. Its current director is John Howard.

<span class="mw-page-title-main">Lindane</span> Organochlorine chemical and an isomer of hexachlorocyclohexane

Lindane, also known as gamma-hexachlorocyclohexane (γ-HCH), gammaxene, Gammallin and benzene hexachloride (BHC), is an organochlorine chemical and an isomer of hexachlorocyclohexane that has been used both as an agricultural insecticide and as a pharmaceutical treatment for lice and scabies.

<span class="mw-page-title-main">Carbofuran</span> Toxic carbamate pesticide

Carbofuran is a carbamate pesticide, widely used around the world to control insects on a wide variety of field crops, including potatoes, corn and soybeans. It is a systemic insecticide, which means that the plant absorbs it through the roots, and from there the plant distributes it throughout its organs where insecticidal concentrations are attained. Carbofuran also has contact activity against pests. It is one of the most toxic pesticides still in use.

<span class="mw-page-title-main">Chlorpyrifos</span> Chemical compound

Chlorpyrifos (CPS), also known as Chlorpyrifos ethyl, is an organophosphate pesticide that has been used on crops, animals, and buildings, and in other settings, to kill several pests, including insects and worms. It acts on the nervous systems of insects by inhibiting the acetylcholinesterase enzyme. Chlorpyrifos was patented in 1966 by Dow Chemical Company.

<span class="mw-page-title-main">Benomyl</span> Chemical compound

Benomyl is a fungicide introduced in 1968 by DuPont. It is a systemic benzimidazole fungicide that is selectively toxic to microorganisms and invertebrates, especially earthworms, but nontoxic toward mammals.

Iodomethane, also called methyl iodide, and commonly abbreviated "MeI", is the chemical compound with the formula CH3I. It is a dense, colorless, volatile liquid. In terms of chemical structure, it is related to methane by replacement of one hydrogen atom by an atom of iodine. It is naturally emitted by rice plantations in small amounts. It is also produced in vast quantities estimated to be greater than 214,000 tons annually by algae and kelp in the world's temperate oceans, and in lesser amounts on land by terrestrial fungi and bacteria. It is used in organic synthesis as a source of methyl groups.

<span class="mw-page-title-main">Endrin</span> Chemical compound

Endrin is an organochlorine compound with the chemical formula C12H8Cl6O that was first produced in 1950 by Shell and Velsicol Chemical Corporation. It was primarily used as an insecticide, as well as a rodenticide and piscicide. It is a colourless, odorless solid, although commercial samples are often off-white. Endrin was manufactured as an emulsifiable solution known commercially as Endrex. The compound became infamous as a persistent organic pollutant and for this reason it is banned in many countries.

<span class="mw-page-title-main">Organophosphate poisoning</span> Medical condition

Organophosphate poisoning is poisoning due to organophosphates (OPs). Organophosphates are used as insecticides, medications, and nerve agents. Symptoms include increased saliva and tear production, diarrhea, vomiting, small pupils, sweating, muscle tremors, and confusion. While onset of symptoms is often within minutes to hours, some symptoms can take weeks to appear. Symptoms can last for days to weeks.

<span class="mw-page-title-main">Methomyl</span> Chemical compound

Methomyl is a carbamate insecticide introduced in 1966. It is highly toxic to humans, livestock, pets, and wildlife. The EU and UK imposed a pesticide residue limit of 20 µg/kg for apples and oranges.

<span class="mw-page-title-main">Pesticide drift</span> Diffusion of pesticides into the environment

Pesticide drift refers to the unintentional diffusion of pesticides and the potential negative effects of pesticide application, including off-target contamination due to spray drift as well as runoff from plants or soil. This can lead to damage in human health, environmental contamination, and property damage. Some pesticides are more likely to drift than others which can mean it is more harmful in some cases. For example, fumigants which are gaseous pesticides move easily through air and will drift if not contained. Some pesticides look like a cloud when they drift while others can be invisible and odorless.

Workplace health surveillance or occupational health surveillance (U.S.) is the ongoing systematic collection, analysis, and dissemination of exposure and health data on groups of workers. The Joint ILO/WHO Committee on Occupational Health at its 12th Session in 1995 defined an occupational health surveillance system as "a system which includes a functional capacity for data collection, analysis and dissemination linked to occupational health programmes".

<span class="mw-page-title-main">Naled</span> Organophosphate insecticide

Naled (Dibrom) is an organophosphate insecticide. Its chemical name is dimethyl 1,2-dibromo-2,2-dichloroethylphosphate.

<span class="mw-page-title-main">Health effects of pesticides</span> Medical condition

Health effects of pesticides may be acute or delayed in those who are exposed. Acute effects can include pesticide poisoning, which may be a medical emergency. Strong evidence exists for other, long-term negative health outcomes from pesticide exposure including birth defects, fetal death, neurodevelopmental disorder, cancer, and neurologic illness including Parkinson's disease. Toxicity of pesticides depend on the type of chemical, route of exposure, dosage, and timing of exposure.

<span class="mw-page-title-main">Pesticide regulation in the United States</span>

Pesticide regulation in the United States is primarily a responsibility of the Environmental Protection Agency (EPA). In America, it was not till the 1950s that pesticides were regulated in terms of their safety. The Pesticides Control Amendment (PCA) of 1954 was the first time Congress passed guidance regarding the establishment of safe limits for pesticide residues on food. It authorized the Food and Drug Administration (FDA) to ban pesticides they determined to be unsafe if they were sprayed directly on food. The Food Additives Amendment, which included the Delaney Clause, prohibited the pesticide residues from any carcinogenic pesticides in processed food. In 1959, pesticides were required to be registered.

<span class="mw-page-title-main">Agricultural safety and health</span>

Agricultural safety and health is an aspect of occupational safety and health in the agricultural workplace. It specifically addresses the health and safety of farmers, farm workers, and their families.

<span class="mw-page-title-main">Farmworkers in the United States</span>

Farmworkers in the United States have unique demographics, wages, working conditions, organizing, and environmental aspects. According to The National Institute for Occupational Safety & Health in Agricultural Safety, approximately 2,112,626 full-time workers were employed in production agriculture in the US in 2019 and approximately 1.4 to 2.1 million hired crop workers are employed annually on crop farms in the US. A study by the USDA found the average age of a farmworker to be 33. In 2017, the Department of Labor and Statistics found the median wage to be $23,730 a year, or $11.42 per hour.

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