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

Related Areas of Expertise

Asbestos & Lead Assessments, Protocols, & Monitoring Emergency Response Environmental & Safety Compliance Environmental Management Systems Environmental Risk Assessment & Corrective Action Expert Witness & Litigation Support Fire & Smoke Assessments Homeland Security

Indoor Air Quality Mold Assessment & Remediation Protocols Process Safety Management Property Analysis Safety Training Toxicology Vegetative & Ecosystem Restoration

Geology / Geophysics