Senior Principal Engineer | PE, BCEE | Environmental Engineering & Expert Witness

Ulf provides expert witness services on matters involving standard of care for environmental consultants and contractors, Phase I/II assessment deficiencies, underground storage tank construction defects, age dating of chemical releases, Superfund cost allocation, and remediation cleanup standards. He has testified in both state and federal courts across California.

Ulf has testified in state and federal courts on 13 cases and has been deposed over 30 times since beginning his litigation support practice in 1989. He has also made presentations in mediation and arbitration proceedings.

His contamination experience spans gasoline compounds (MTBE, TBA, benzene), chlorinated solvents (PCE, TCE), diesel, crude oil, heavy metals, PCBs, pesticides, and landfill gases. Sites include service stations, dry cleaners, schools, landfills, oilfields, Superfund sites, and commercial and residential properties.

Yes — assessing the standard of care of environmental consultants and contractors is a core component of his expert witness practice, including evaluation of Phase I/II environmental assessment methodology, UST system construction defects, and regulatory compliance.

Ulf has extensive experience with Superfund sites throughout Southern California, including securing closure for responsible parties in the Burbank/Glendale and Puente Valley Superfund areas, and regularly serves as an expert on allocation of cleanup cost responsibility. He is well-versed in federal and state regulatory frameworks governing such disputes.

Yes — Ulf is available as both a testifying expert and a non-testifying consulting expert, offering strategic technical support, document review, and expert report preparation depending on counsel's needs.