Herst & Associates, Inc., based in St. Charles (St. Louis), Missouri, specializes in hydrogeologic, hydrogeochemical, and environmental services. Herst & Associates, Inc. offers services that range from multimillion dollar CERCLA Remedial Investigation / Feasibility Studies and RCRA Facility Investigations to routine groundwater, surface water, and air sampling. This broad range of services is an indication of the technical capabilities of the company, as well the ability of the staff to effectively comply with varying federal, state, and local regulations. The company has developed good working relationships with federal and state regulatory personnel across the U.S.

At Herst & Associates, Inc., we work behind the scenes, collecting reliable, defensible environmental and hydrogeologic data that meet or exceed regulatory requirements. Herst & Associates, Inc. evaluates data using a variety of techniques designed to provide a solid foundation from which our clients can make informed business decisions. Herst & Associates, Inc. develops technically sound reports that require a minimum of review and allow effective decision-making, and provides technical expertise at regulatory meetings and in front of the general public. Our primary focus is on our clients. This approach is best illustrated by the recognition of Herst & Associates, Inc. as the #1 Service Provider in the US among small businesses in 2001, as determined by the National Business Incubator Association.