​​The term "pesticide" is defined as any substance that kills, repels, or otherwise controls any pest. Herbicides (weedkillers), fungicides, rodenticides, insecticides, etc. are all pesticides.

Welcome to the University of Maryland Extension Pesticide Education and Assessment Program (PEAP). Our mission is to enhance protection of human health and the environment through sound pesticide education and policy assistance. The site offers information, training, and resources for pesticide applicators, health care providers, regulators and policy-makers, and the general public. PEAP promotes responsible decision-making and actions to protect pesticide users, public health, plant and animal health, and the environment.