Environmental Services


Environmental Assessments

  • Transaction Screening, Phase I and Phase II -- Environmental Site Assessments
  • Surface & subsurface investigation, characterization, and assessment
  • Risk-based corrective action (RBCA) assessment, site remediation and management design
  • Third party technical review and oversight
Design & Process Engineering
  • Design and installation of remedial treatment systems
  • Operation and maintenance of remedial treatment systems
  • Cost-benefit analysis and feasibility studies
Geotechnical Services
  • Site Assessment and Investigation
  • Soil Sampling and Geotechnical Testing
  • Grading, Foundation, and Pavement Design
  • Grading and Construction Inspections
Health & Safety Programs
  • Identification and evaluation of exposure potential to hazards and employee training
  • Preparation of health and safety plans for hazardous waste site operations
  • Development of Policies and Procedures for OSHA/MSHA compliance
Asbestos, Lead & Mold
  • Asbestos Surveys
  • Lead-based Paint Surveys
  • Mold Surveys
  • Asbestos Clearances
  • Lead-based Paint Clearances
  • Mold Services
Regulatory Compliance
  • Regulatory liaison, regulation interpretation and negotiation
  • Characterization, profiling and manifesting of waste for transport off-site
  • NPDES permit application sampling, analysis, preparation and submittal
Program Management
  • Technical specifications, development and bidding oversight and management
  • Client representation and project management
  • Construction management, contractor oversight and supervision
  • QA/QC of engineering and construction

TCG has offices in northern California and serves clients all over the world. We welcome the opportunity to assist you in any of our offered specializations. Count on TCG to continually provide premium and comprehensive services regarding any of your technical, compliance, development and design, or implementation issues.

Call us at 415-381-2560 or email us at Thank you for visiting and be sure to check often for updated information.