HVN ENVIRONMENTAL SERVICE CO. INC. is a licensed California Civil Engineering Firm and Contractor with a hazardous certification. HVN staff has a combined 50 years experience in the environmental industry to provide to you and your firm.

HVN has blanket permits from CAL-Osha for trenching and/or excavation (No. 558451) and from the SCAQMD for volatile contaminated soil excavation and disposal (No. 256207) which are renewed annually. HVN holds a Contractor A license (No. 680768), a Hazardous Substances Removal and Remedial Action Certification License (No. A 6018) issued by the Contractors State License Board, a Registered Environmental Assessor Certification (REA) (No. 04398) and a Certified Environmental Inspector (CEI) (No. 5988). All operations are fully insured.

• AGENCY COMPLIANCE
• PERMITTING
• METHANE GAS MIGRATION/PROTECTION SYSTEM DESIGN
• PROFESSIONAL TANK LOCATING
• EXCAVATING (soil monitoring per SCAQMD rule 1166)
• DEGASSING (per SCAQMD rule 1149)
• TRIPLE RINSE-TANKS & PIPING (hazardous waste manifesting, transportation and disposal)
• SAMPLING AND ANALYSIS (mobile lab available)
• MONITORING SYSTEMS INSTALLATION AND SERVICE
• BACKFILL AND COMPACTION (certified compaction available)
• GEOLOGICAL REPORTS (complete agency compliance)
• PHASE I ENVIRONMENTAL SITE ASSESSMENTS (for financial institutions)
• ANNUAL TANK CERTIFICATION
• TRANSPORTATION & DISPOSAL (contaminated soils/hazardous waste)
• ON SITE REMEDIATION (vapor extraction/bioremediation)
• OFF SITE REMEDIATION (innovative enhanced /bioremediation)
• STATE CLEANUP FUND ASSISTANCE