Brian Brennan has more than 28 years of environmental consulting experience and qualifies as an Environmental Professional under 40 CFR Part 312 and ASTM International E1527-21 standards.  His experience includes preparing, reviewing and managing all aspects of Phase I and II Environmental Site Assessment (ESA).

Mr. Brennan has served as a Senior Project Manager and Director of Environmental Services for both government agencies and private clients. He is well-versed in a wide array of investigative techniques and sampling methods, including cone penetrometer testing, groundwater sampling and monitoring, geophysical data interpretation, sub-slab and soil vapor probe installation and sampling, indoor air sampling, and asbestos containing materials (ACMs), lead-based paint (LBP) and universal wastes.

He also has extensive experience drilling and installing monitoring, extraction, and injection wells while using various methods such as hollow-stem auger, dual tube air percussion, air rotary casing hammer, sonic, and mud-rotary methods.

Mr. Brennan has demonstrated success in planning, managing and executing all phases of environmental investigation and remediation projects – ranging from small scale to complex projects. His work has address contamination from petroleum hydrocarbons, heavy metals, pesticides, and chlorinated solvents. Mr. Brennan has managed numerous remediation projects utilizing technologies such as soil vapor extraction, total fluids extraction, vertical and horizontal bio-sparging, and light non-aqueous phase liquids removal.

His technical and leadership skills include developing, maintaining and meeting project scope and financial responsibilities; coordinating and managing professional staff and subcontractors; reviewing and evaluating environmental data and risk assessment; preparing and reviewing technical writing documents; and communicating to senior and junior staff, regulatory agencies and clients. Mr. Brennan is an experienced project manager with a strong track record of delivering results while supporting business development and client retention across multiple regions.

Areas of Expertise:

• Environmental Due Diligence (Phase I/II ESA)
• Site Assessment and Remediation/Mitigation
• Risk and Data Evaluation
• Property Development
• Project Management
• Third Party Review

MS Degree, Environmental Engineering, National University, San Diego, California, 2008
BA Degree, Geography and Environmental Analysis, San Diego State University, San Diego, California, 2000

OSHA 40-Hour Hazardous Waste Operations Certified OSHA
8-Hour HAWOPER Annual Refresher
Environmental Professional, per the CFR Title 40, Chapter I, Subchapter J, Part 312, Subpart C, Section 312.21
California Registered Environmental Assessor II (REA-II) No. 07920