42 computer consultation; computer software design and programming for others, namely, development and application of computerized data analysis software and computer systems; computer modeling services for interpreting, assessing and simulating environmental conditions and contamination; computer consultation services, namely, assessment of data quality needs, database systems development and management, electronic data collection and transfer, data validation, computerized data applications, data presentation and interpretation, computer system integration; computer services, namely, providing databases for creating modeling, simulation, trending, and statistical analysis for utilizing, designing and implementing data information networks; environmental due diligence, namely, reviewing standards and practices of others to assure compliance with environmental laws and regulations; environmental due diligence, namely, environmental site assessments, soil and groundwater investigation and testing, permit and compliance review, asbestos and lead investigation and testing, environmental hazard and risk quantification, assessment and management, indoor air quality assessment, industrial hygiene assessment, site and facility remediation and assessment; technical consultation and research, namely, assessment and evaluation of compliance with environmental, health, and safety requirements and regulations; environmental audit services; environmental permitting and compliance services, namely, brownfield redevelopment, environmental impact assessments and studies; engineering; environmental engineering; utility engineering; technical consultation and research in the field of engineering; municipal and industrial water and wastewater engineering services; custom design of water and wastewater treatment facilities; engineering and design consultation services, namely, conducting feasibility studies, conceptual design, process optimization, hydraulic engineering environmental process design, construction review and analysis, safety and hazardous operations review and analysis, design and preparation of operation manuals and training, operating cost reduction assessments; technical consulting and research in the field of watershed management, namely, conducting hydrological surveys, drafting reports and providing professional opinions concerning hydrology, water quality, environmental impact analysis, and water and related land resources management policy; consulting services regarding water processing, distribution and storage, the by-products of wastewater, and waste pretreatment systems; storm water management; water supply development and protection services; providing coastal and marine studies and assessments; spill planning, response and containment services; aquatic toxicity and risk assessment services; assessment of sediment quality; hydrologic studies and analysis; aquatic and benthic ecology assessment; water quality studies; groundwater studies; analysis services relating to infiltration and inflow of water and wastewater; providing treatability studies for wastewater; environmental toxicology laboratory services; sampling and data management; data interpretation and analysis of soil, water and air; compliance review services, expert witness services, technical support and litigation support in the field of toxic tort and environmental liability and litigation, analysis and development of historical information, analytical and critical reviews of technical literature, transport modeling, analysis of health and ecological impacts of particular chemicals, toxins and environmental conditions; technical writing for others; research and development in the field of the environment, hazardous waste management and remediation; utility issues research; power plant studies; and preparation of environmental impact statements for others; environmental risk assessment consultation; human health and toxicology studies, product evaluation and liability assessment; remediation and regulatory closure of contaminated or hazardous sites; design of remediation programs and plans, remediation, operation and maintenance of hazardous waste sites