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Environmental, Health, & Safety

Geology / Geophysics

Learn more about J.S. Held's recent acquisitions of VWM Analytics and Twenty First Century Engineering.

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J.S. Held's team of geologists and geophysicists specialize in the performance of environmental assessments and constituent source determinations.

Our expertise involves matters requiring soil and groundwater assessments, Phase I & II ESAs, Emergency Response, and constituent origin analysis.

We also have the ability to discover unknown underground storage tanks, oil drums, or other subsurface features which could be an environmental concern.

For current engineering licensure info, click here.

Our Services
  • Constituent Fate & Transportation
  • Emergency Response
  • Expert Testimony
  • Ground Penetrating Radar Surveys (UST Locations)
  • Magnetometer Surveys
  • Phase I & Phase II Environmental Site Assessments
  • Remediation Closure Documentation
  • Risk-Based Corrective Action & Closure
  • Risk-Based Reduction of Post-Closure Care Activities
  • Root Cause Analysis
  • Soil & Water Sampling & Damage Assessment
  • Spill & Chemical Response
  • Wetland Assessments & Delineations
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