These Pesticide Information Leaflets (PIL), developed and published by the University of Maryland
Extension Pesticide Education & Assessment Program, cover a variety of
pesticide-related topics of interest to pesticide applicators, health
care professionals, &/or the general public.
This page presents the complete list of current PILs.
You can also view the lists of PILs targeted specifically for:
No. 4: Pesticide Information Telephone Numbers. Rev. April 2002. 2 pp. Audience:
Pesticide Information Telephone Numbers. Pesticide users, consumers, and others have questions about pesticides. This leaflet provides telephone numbers to access knowledgeable sources on these issues. |
No. 7: Cholinesterase Testing. Rev. May 2006. 3 pp. Audience:
Cholinesterase is an enzyme necessary for proper nerve impulse transmission. If the amount of this enzyme is reduced below a critical level, nerve impulses to the muscles can no longer be controlled, resulting in serious consequences and even death. Two classes of insecticides, the organophosphates and the carbamates, act as cholinesterase inhibitors; that is, they reduce the amount of cholinesterase available for the body's use. This leaflet explains how to have your cholinesterase level tested. |
No. 8: Factors Affecting Groundwater Contamination. Rev. June 2012. 3 pp. Audience:
Groundwater is the source of water for wells and springs. It fills spaces between particles of soil or cracks in bedrock. The factors that affect the likelihood of groundwater contamination are discussed in this leaflet. |
No. 9: Protecting Groundwater from Pesticides. Rev. April 2012. 3 pp. Audience:
Once thought to be safe from contamination, groundwater is now a threatened resource. Pesticide users, from commercial operators treating large acreages to homeowners treating their lawns, can take the protective measures discussed in this leaflet to prevent contamination of our water resources. |
No. 10: Using Insect Repellents Safely. Rev. June 2012. 6 pp. Audience:
Historically, insect repellents have been used against mosquitoes, blackflies, and other annoying pests. Increasing concern about Lyme disease, transmitted by the deer tick, and West Nile Virus, transmitted by mosquitoes, has resulted in a corresponding increase in the use of repellents. This leaflet explains how to use available products in the safest manner. |
No. 11: Pesticide Safe Use Checklist. Rev. October 2003. 2 pp. Audience:
Pesticides are designed to be toxic to the pests they control, but may also pose potential hazards to humans, especially if not used with proper care. This leaflet provides a checklist of safe practices to be used in conjunction with the label directions anytime you plan to use a pesticide. |
No. 13: Disposal of Pesticide Containers. Rev. January 1999. 1 p. Audience:
Pesticides (herbicides, insecticides, fungicides, etc.) are designed to be toxic. Improper disposal of pesticides or their containers can lead to environmental contamination and may incur both civil and criminal penalties. This leaflet explains how to properly prepare empty pesticide containers for disposal. |
No. 14: Pesticide Record Keeping Requirements in Maryland. Rev. April 2012. 4 pp. Audience:
Certified private and commercial applicators are required to maintain records of all pesticides they apply. Although there are some differences between the state and federal regulations, complying with the Maryland law satisfies requirements under both laws. This leaflet outlines the basic responsibilities that pertain to these laws and regulations. |
No. 16: Handling Pesticide Spills. August 1993. 4 pp. Audience:
Everyone who uses pesticides needs a plan for dealing with pesticides spills. Performing the evaluations in this guide and following the risk reduction recommendations will help you avoid spills when possible and manage spills appropriately if they occur. |
No. 18: Pesticide Applicator Checklist. Rev. June 2000. 5 pp. Audience:
Improper use of pesticides can lead to human health effects and contamination of our environment. This leaflet will help you develop a list of things to work on that will ensure your use of pesticide is legal, cost effective, and as safe as possible. |
No. 25: Developing a Pesticide Exposure History. October 2002. 10 pp. Audience:
When exposure to pesticides (insecticides, herbicides, fungicides, etc.) is suspected as a cause or contributing factor for a medical problem, the existence of a detailed and accurate exposure history is critical to a correct diagnosis. This pamphlet presents questions that should be helpful in providing the clinician with an accurate picture of pesticide exposure. |
No. 26: Comparing Symptoms of Heat Stress and Pesticide Poisoning. November 1998. 2 pp. Audience:
When a pesticide user becomes ill while working with organophosphate or carbamate pesticides in a hot environment, determining whether the handler is suffering from heat exhaustion or pesticide poisoning can be confusing. This leaflet compares and contrasts these two possible causes of serious illness. |
No. 27: Understanding Pesticides. February 1999. 2 pp. Audience:
This leaflet explains what pesticides are and offers a brief discussion of their regulation, risks and benefits, and responsible use. |
No. 28: How to Read a Pesticide Label. October 2002. 9 pp. Audience:
The pesticide label is a legal document, and it is a violation of the law to use a pesticide in any manner inconsistent with the label. This leaflet explains how the pesticide label is derived and arranged, and helps the reader interpret the information presented on the label. |
No. 29: How to Read a Material Safety Data Sheet (MSDS). June 1999. 5 pp. Audience:
The MSDS provides information about a product's composition, physical and chemical properties and hazards, toxicological information, and first aid procedures. This leaflet explains how the MSDS is derived and arranged, and helps the reader interpret the information contained in the MSDS. |
No. 30: Cholinesterase Monitoring -- A Guide for the Health Professional. June 2006. 8 pp. Audience:
Organophosphate and carbamate pesticides can inhibit cholinesterase. This leaflet describes for physicians or other health care providers how to set up a monitoring schedule for persons exposed regularly or seasonally to cholinesterase inhibitors. |
No. 31: Health Care Providers' Access to Pesticide Information. June 1999. 2 pp. Audience:
Certain laws and regulations ensure that health care providers must have access to pesticide information. This leaflet explains what types of information are available to health care providers under requirements of the Worker Protection Standard and the 1990 Farm Bill. |
No. 33: Pesticides and Cancer. Rev. Oct. 2002. 14 pp. Audience:
Many people have concerns about whether pesticides are oncogenic or carcinogenic. This publication defines the terms used in classifying carcinogens, explains regulatory options, and identifies pesticides currently classified as carcinogens. |
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This leaflet presents an abridged version of the Maryland regulations governing the use, sale, storage, and disposal of pesticides; certification of pesticide applicators; and other matters under the enforcement authority of the Maryland Department of Agriculture. The leaflet is not intended as a substitute for the actual regulations. |
No. 36: Pesticides: Usage and Exposure Patterns. August 2001. 7 pp. Audience:
This publication explains how and where pesticides are applied; how people, including children, may be exposed to pesticides through occupational and non-occupational practices; and basic concepts and terminology associated with pesticide use and regulation in the United States. The leaflet is intended as an overview for people such as health care practitioners and others who may need to know about pesticides but do not have practical experience with them. |
No. 37: Section 25(b) Pesticides: Minimum Risk? September 2001. 7 pp. Audience:
In 1996, EPA exempted certain pesticides, considered to pose minimum risk to humans and the environment, from the requirement to be reviewed and registered prior to sale and use, provided the products satisfy certain conditions. This publication explains the conditions associated with minimum risk pesticides, lists active and inert ingredients currently accepted for this classification, and discusses the concerns held by many pesticide educators and state regulators. |
No. 38: Disposal of Household Pesticide Products. Rev. June 2012. 3 pp. Audience:
Improper disposal of pesticides or their containers can lead to environmental contamination and may incur both civil and criminal penalties. Even in very small quantities, some pesticides can have a substantial adverse impact on sensitive organisms. This leaflet explains EPA's guidelines for disposal of empty non-microbial, residential/household use pesticide products. |
No. 39: Pesticide Storage and Security. Rev. June 2012. 5 pp. Audience:
Concerns about pesticide security include the potential for human injury, environmental harm, vandalism or theft with possible misuse of products, and, unfortunately, the potential for use by terrorists and saboteurs. This leaflet describes general good storage practices as well as considerations to prevent theft and/or accidental exposure from storage areas. |
No. 40: Pesticide Regulatory Information Resources on the Internet. March 2004. 2 pp. Audience:
This leaflet provides internet resources on the laws dealing with pesticide regulation and associated regulations and policies. Two basic laws, the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), and the Food Quality Protection Act (FQPA), define how pesticides may be registered, sold, used, transported, stored, and disposed of in the U.S. Additional laws address specific concerns such as safety of pesticide workers (the Worker Protection Standard), protections for endangered species (the Endangered Species Act), and other issues. |
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This leaflet reviews physiological processes important in the insect and human systems and presents common modes of action for insecticides and rodenticides used by structural pest control operators. |
No. 42: Mode of Action of Landscape Insecticides and Miticides. Revised January 2006. 9 pp. Audience:
This leaflet reviews physiological processes important in the insect and human systems and presents common modes of action for insecticides and miticides used by landscapers. To understand how pesticides work, it is necessary to understand how the pests’ targeted systems normally function. It is also helpful to understand how human systems function in order to see similarities and differences between humans and the pests we try to control. Another reason it is important to understand the modes of action of the pesticides we use is to prevent development of pesticide resistance in the target pest(s). |
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This leaflet reviews physiological processes important in the insect and human systems and presents common modes of action for insecticides and miticides used by growers of agricultural and ornamental commodities. To understand how pesticides work, it is necessary to understand how the pests’ targeted systems normally function. It is also helpful to understand how human systems function in order to see similarities and differences between humans and the pests we try to control. Another reason it is important to understand the modes of action of the pesticides we use is to prevent development of pesticide resistance in the target pest(s). |
No. 44: Research Results from the Agricultural Health Study. Revised December 2008. 7pp. Audience:
The Agricultural Health Study is a long-term project examining health outcomes for pesticide applicators and their spouses. This leaflet provides highlights of the study. |
No. 45: Protecting Pet Heath when Using Flea & Tick Contol Products. Rev. April 2012. 3 pp. Audience:
Flea and tick products can be appropriate treatments for protecting pets to avoid transmission of disease. However, misuse of these products can result in adverse effects ranging from irritation to serious effects including death of sensitive pets. This leaflet provides general guidelines for the safe use of flea and tick products on pets and outlines the steps being taken by regulators to increase the safety of spot-on pesticide products for flea and tick control for cats and dogs. |
