Castle Hill Associates meets the environmental consulting needs of industry and government, specializing in asbestos, industrial hygiene, indoor air quality, lead-based paint, environmental contamination, cultural resource studies, Section 106 process. Castle Hill delivers expertise in the remediation, testing, and field operations required to ensure safety and compliance of business operations, renovation, construction and demolition. Licensed in Asbestos in 10 states, plus teaming relationships, CHA presents a nationwide Asbestos Surveying footprint. Our specialists managed projects in over 30 states for a variety of clients, including federal, local, and state governments, school districts, Fortune 500 companies & major industry.