Welcome to

D.A. Birkholz Analytical Consultant Inc.

About Us

Dr. Birkholz has over forty years of practical experience in analytical chemistry, research, environmental and human toxicology, and business. Major industrial clients include: transportation, oil and gas, petrochemical, mining, waste management, and pulp and paper.


Providing forensics services to government agencies (US and Canada) and police services (Federal and provincial).

Oil & Gas

Spill response including: legal sampling,
chemical analyses, and toxicological


Provide expertise on sampling large sites using visual sampling plan. Used Google Earth on a uranium mining site.

Pulp & Paper

Provided training to employees regarding regulations (i.e. license requirements) and chemical testing.

Tire & Commercial

Commercial products include tire crumb which is used in building materials, playgrounds, and sports fields.

Industrial Forensics

Sometimes things go wrong and the product quality is not as expected. Assistance from a forensic expert may prove useful.

Contact us for your chemical and toxicological forensic needs.