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HDH Associates, P.C. is a full-service Architectural and Engineering firm specializing in roofingwaterproofing, and building envelope issues.

HDH Technical, Inc. provides environmental health and safety services. HDH Technical specializes in
asbestos/lead surveys, abatement designs, project monitoring, and indoor air quality assessments.

Large Scale Projects
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Small Scale Projects
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HDH Technical, Inc.
Taking Samples