• University of Maryland Department of Entomology
• Synopsis of the Maryland Pesticide Applicators Law & Regulations
• American Association of Pesticide Safety Educators (AAPSE)
• Pesticide Regulation Section, Maryland Department of Agriculture
• Certification and Training of Pesticide Applicators (EPA)
• New York State's Pesticide Applicator Core Tutorial ** - An online tutorial that can be used as a study guide for the general knowledge portion of the Maryland Applicator's test (see note below).

** NOTE: The "State Laws and Regulations" section of this tutorial is specific to New York State and cannot be used as a study guide for the Maryland test.