Ms. Billig has more than 30 years of environmental consulting experience, and is a subject matter expert in the conduct and management of environmental investigations and modeling projects and subsequent ecological and human health risk assessments for corrective actions, both nationally and internationally. From 2011–2015, Ms. Billig was employed by the National Park Service’s Contaminated Sites Program to design, develop and implement NPS guidance and training on the management and cleanup of contaminated sites. Besides developing NPS-specific guidance and tools, Ms. Billig also developed an interactive website and training program to ensure that even NPS staff with limited contaminated site management experience could oversee and implement appropriately rigorous and scientifically defensible environmental investigations and cleanup procedures.
Ms. Billig’s field and research experience includes aquatic and terrestrial ecology, toxicology, and epidemiology. She has designed and implemented ecological field investigations and studies to meet the needs and requirements of NRDA, CERCLA, RCRA, NEPA, the Clean Water Act and analogous state legislation in freshwater, marine, and terrestrial environments. She has used the results to evaluate environmental impacts, develop human health and ecological risk assessments, and perform threatened and endangered species surveys. Ms. Billig has also utilized U.S. Fish and Wildlife Service Habitat Evaluation Procedures, Wetland Evaluation Techniques, and EPA’s Rapid Bioassessment Protocols.