Select Projects

Toxicological Hazard Evaluation, SDS, and Labeling:  Managed a large team of human health/ecological toxicologists and chemists to provide GHS hazard evaluations of thousands of chemicals.  Identified appropriate read-across in the absence of toxicological data.  The hazard evaluations were used for compliant SDSs in North America, Europe, Asia, Australia, etc.  Spearheaded the database automation of product-level hazard classifications.  Collaborated with an external IT firm to expand the client’s existing chemical compliance database by automating TSCA reporting requirements.

Alternative Assessment Under CA SCP:  Conducted an Alternative Assessment (AA) under California’s Safer Consumer Products (SCP) regulations for methylene diphenyl diisocyanate used in sprayed polyurethane foam.  Worked with dozens of responsible entities and a trade group, identified potential alternatives and their relevant toxicological and exposure information, compared alternatives with the regulated products, and successfully received an approved Abridged AA under the regulation.

Alternative Assessment:  Evaluated toxicological properties of safer alternatives for ultraviolet filters, preservatives, plasticizers, and flame retardants as part of the ChemFORWARD initiative using a framework similar to that of GreenScreen® and Cradle to Cradle™.

Medial Device Approval:  Provided toxicological expertise in responding to deficiencies for the purpose of obtaining CE Marking in the EU.  Demonstrated history of safe clinical safety and provided justifications for waiving biocompatibility studies.

Merger and Acquisition:  Identified and resolved EHS compliance issues under US and Canadian requirements.  Provided a solution for the seller to comply with a US EPA consent order that did not affect their Canadian products.

Selected Publications

Zhang, J; Marsh, C; Reid, K; Harmon, P. [Gradient; BASF]. 2022. “A Trade Name Market Differentiator: Case Studies Under the ChemFORWARD SAFER™ Program.” Presented at the Society of Environmental Toxicology and Chemistry (SETAC) North America 43rd Annual Meeting, Pittsburgh, PA, November 13-17. 12p.

Zhang, J; Cohen, J; Lewandowski, T. 2021. “Lessons Learned from Conducting Alternatives Analyses Under California’s Safer Consumer Products Program.” Presented at the SETAC North America 42nd Annual Meeting, held virtually, November 14-18.

Zhang, J. 2020. “Hidden worker health & safety hazards.” Gradient Trends – Risk Science & Application 79:5.

Kneeland, J; Zhang, J; Becker, G. 2019. “Polymers: Global Product Stewardship Approaches.” Presented at Product Stewardship Conference 2019, Columbus, OH, September 10-12, 57p.

Zhang, J. 2018. “Hidden Hazards: What’s in Your Chemical Portfolio?” Presented at the Society for Chemical Hazard Communication (SCHC) Spring 2018 Meeting, Buena Vista, FL, April 21-25.

Goodman, J; Lemay, J; Mattuck, R; Mayfield, D; Verslycke, T; Zhang, J; Zu, K. 2016. “Chapter 4. Health risk assessment.” In Environmental Science Deskbook (Release #14). (Ed.: Conrad, JW Jr.), Thomson Reuters, Eagan, MN, 61p.

Gradient (Cambridge, MA).  2015. “The Globally Harmonized System of Classification & Labeling of Chemicals (GHS): Requirements, Challenges, and Opportunities.”