Ozark Underground Laboratory’s Groundwater Tracing Handbook
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Abstract
The Ozark Underground Laboratory, Inc. (OUL), is a private consulting and contract studies firm that provides groundwater tracing and other hydrogeological services worldwide. The OUL has been in continuous full-time operation since 1973 under the direction of Tom Aley, who serves as Principal Hydrogeologist for the firm. The OUL typically has a full-time staff of nine people. We are not affiliated with any academic institution, and we have no academic responsibilities which could interfere with full client service. The OUL has designed and either conducted, or assisted with, over 4,000 groundwater traces on every continent except Antarctica. Our clients include many environmental and engineering consulting firms; other corporate and private entities; and federal, state, and local agencies.
