Fort Environmental Laboratories (FEL) is an environmental toxicology laboratory and consulting firm specializing in study of amphibians, reptiles and fish. Co-founded by Dr. Douglas (Doug) and Deanne Fort, FEL is the only commercial laboratory in the U.S. to use amphibians and reptilian species as indicators of environment health (Infographic). Under the direction of Dr. Fort, Fort Environmental Laboratories has developed or co-developed test methods, such as: Frog Embryo Teratogenesis Assay - Xenopus (FETAX) Amphibian Metamorphosis Assays (Thyroid Disruption) Amphibian Partial and Full Lifecycle Assays (Reproduction) Amphibian Multigeneration Assays Reptilian Reproduction and Developments Assays Fort Environmental Laboratories have played a critical role in the development and validation of FETAX, including the development of an ASTM Standard Guide and the publication of over 50 peer-reviewed manuscripts. Fort Environmental Laboratories now offers a variety of these environmental toxicology services commercially.