Chemical Microbiological, Research Analytical testing Laboratories. Certified Analytical Chemist on Site. Since 1966 Jennings Laboratories has been serving clients in Virginia Beach, Norfolk, Chesapeake, Portsmouth, Suffolk, Hampton, Newport News and the Eastern Shore with professional Testing of Water, Waste Water, Storm Water, Ground Water, Soils and Hazardous Waste characterization. Jennings Labs is a Drinking Water Certified Laboratory, a food products testing facility and performs petroleum product testing. They provide field sampling and offer pick-up services.