J. Stephen Duerr, Ph.D.

CONSULTING METALLURGIST/CHEMIST: Specializing in forensic analyses; qualitative and quantitative characterization of unknowns; metallurgy and materials failure analysis; USP, NF, CTFA, AOAC, EP, JP, and ASTM chemistry, microbiology, and materials science analyses in food, cosmetics, pharmaceuticals, plastics, packaging, coatings, and specialty products.
Certificate # 592
chemlabconsulting, LLC
514 Corrigan Way
Cary, NC 27519
Phone #: 908-500-9333

Scope of Activities

Identification of organic/inorganic compounds and formulations; analysis of contamination, corrosion deposits, and arson residues; quality control analyses of raw materials and manufactured products; materials failure and suitability analysis; development of specialized analysis procedures; problem solving; expert consultation; expert witness.

Laboratory Experience

Extensive multi-technique analytical laboratory studies in chemical analysis, microbiology, metallurgy, and materials science (including infrared and microFTIR spectroscopy; gas chromatography, GC/MS, and HPLC; DSC thermal analysis; metallography, macrophotography, light microscopy, and SEM/EDS electron microscopy.

Professional Designations

Amateur Radio License: KK4QED (FCC Technician Class)

Certified Professional Chemist (until 2024): National Certification Commission (AIC)

Registered Professional Engineer (until 2024): No. 27047 (New Jersey)


M.I.T. Metallurgy 1971 Ph.D.
M.I.T. Metallurgy 1967 M.S.
M.I.T. Metallurgy 1965 B.S.

Technical Societies

AOPA (Aircraft Owners and Pilots Association), ASM International (Past Chair, NJ Chapter), Society of Plastics Engineers (Past President, Palisades-MidAtlantic Section).

Trade Associations

ACC&CE – Scientific, Engineering, Business, and Management Consultants (Treasurer)

AIC – The American Institute of Chemists, Inc. (Treasurer and Fellow)

Laboratory Positions

Battelle Memorial Institute, Columbus, OH, Metallurgist, 1965-66; Bettis Atomic Power Laboratory, Westinghouse Electric Corp., West Mifflin, PA, Sr. Metallurgist, 1971-74; PhotoMetrics Inc., Woburn, MA, Director, Analytical Services, 1974-77; Structure Probe, Inc., Metuchen, NJ, Technical Director, 1977-1986; Metuchen Analytical, Inc. (Kendall Infrared Laboratories), Metuchen, NJ, President, 1978-2006; Libra Technical Center, LLC, Metuchen, NJ, Senior Partner – Operations, 2006-2008; chemlabconsulting, LLC, Cary, NC, Consulting Metallurgist/Chemist, 2009-present

Teaching Positions

Materials Failure Analysis and Chemistry Teaching Assignments: graduate program at Stevens Institute of Technology (1984-1994) and several-day short courses given by The Center for Professional Advancement (1980-1993): Stevens Institute of Technology, Hoboken, NJ     Adjunct Professor of Materials and Metallurgical Engineering – “Materials Failures – Analysis and Nondestructive Evaluation for their Prevention” – 1984 and biennially through 1994 Center for Professional Advancement, East Brunswick, NJ

Course Director – “Metallurgical Failure Analysis and Prevention” – 1981 and annually through 1992     Course Director – “Failure Analysis in Non-Metallic Materials” – 1988 and annually through 1993     Course Director – “Instrumental Surface Analysis” – 1989 plus Course Lecturer 1979 through 1983     Course Director  –  “Electron Microscopy/Microanalysis” – 1980 and 1981     Course Lecturer  –  “Adhesion Science and Technology” – 1984 and 1985

Presentations at National and Local Technical Society Meetings