DH ENVIRONMENTAL, INC

Engineering Services

Establishments in this category are primarly engaged in applying physical laws and principles of engineering in the design, development, and utilization of machines, materials, instruments, structures, processes, and systems. The assignments undertaken by these establishments may involve any of the following activities: provision of advice, preparation of feasibility studies, preparation of preliminary and final plans and designs, provision of technical services during the construction or installation phase, inspection and evaluation of engineering projects, and related services.

Illustrative Examples:

Civil engineering services
Environmental engineering services
Construction engineering services
Mechanical engineering services
Engineers' offices
Robotics automation engineering services

Environmental Consulting Services

Establishments in this category are primarly engaged in providing advice and assistance to businesses and other organizations on environmental issues, such as the control of environmental contamination from pollutants, toxic substances, and hazardous materials. These establishments identify problems (e.g., inspect buildings for hazardous materials), measure and evaluate risks, and recommend solutions. They employ a multidisciplined staff of scientists, engineers, and other technicians with expertise in areas, such as air and water quality, asbestos contamination, remediation, ecological restoration, and environmental law. Establishments providing sanitation or site remediation consulting services are included in this industry.

Other Scientific and Technical Consulting Services

Establishments in this category are primarly engaged in providing advice and assistance to businesses and other organizations on scientific and technical issues (except environmental).

Illustrative Examples:

Agricultural consulting services
Motion picture consulting services
Biological consulting services
Physics consulting services
Chemical consulting services
Radio consulting services
Economic consulting services
Safety consulting services
Energy consulting services
Security consulting services

Hazardous Waste Collection

This includes establishments primarily engaged in collecting and/or hauling hazardous waste within a local area and/or operating hazardous waste transfer stations. Hazardous waste collection establishments may be responsible for the identification, treatment, packaging, and labeling of waste for the purposes of transport.

Remediation Services

Establishments in this category are primarly engaged in one or more of the following: (1) remediation and cleanup of contaminated buildings, mine sites, soil, or ground water; (2) integrated mine reclamation activities, including demolition, soil remediation, waste water treatment, hazardous material removal, contouring land, and revegetation; and (3) asbestos, lead paint, and other toxic material abatement.

All Other Miscellaneous Waste Management Services

This includes establishments primarily engaged in providing waste management services (except waste collection, waste treatment and disposal, remediation, operation of materials recovery facilities, septic tank pumping and related services, and waste management consulting services).

Illustrative Examples:

Beach cleaning and maintenance services
Sewer or storm basin cleanout services
Catch basin cleaning services
Tank cleaning and disposal services, commercial or industrial
Sewer cleaning and rodding services