Longleaf Environmental Consulting is proud to offer: Phase I & II Environmental Site Assessments Wetland Delineations Threatened & Endangered Species Surveys Underground Storage Tank Closures Soil & Groundwater Assessments Radon Testing & Mitigation Engineering & Geologic Consultation Remedial System Design Permitting Review & Consultation Mold & Indoor Air Quality Development Services Geotechnical Engineering Spill Countermeasures Plans Spill Cleanup & Remediation