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The Norwitch Document Laboratory provides forensic examination of Questioned Documents to determine authorship and/or authenticity. Examinations include handwriting, typewriting, and alterations.

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Forensics Industrial Analysis Consulting | IR/Microspectroscopy | X-Ray Fluorescence | Fourier Transform Infrared Spectrophotometry | FTIR Gas Chromatography | FID Gas Chromatography | High Performance Liquid Chromatography R.E. Davis Chemical Corporation 721 Enterprise Drive Oak Brook, IL 60521 Phone: (630) 574-4880 Fax: (630) 573-4885 ...

Speckin Forensic Laboratories Staff. Speckin Forensic Laboratory employ's three document examiners, one fingerprint examiner, an ink dating chemist, two DNA ...