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This article examines how ignorance can be produced by regulatory systems. Using the case of contamination from per- and polyfluoroalkyl substances (PFAS), we identify patterns of institutionalized ignorance in U.S. chemical regulation. Drawing on in-depth interviews and archival research, we develop a chemical regulatory pathway approach to study knowledge and ignorance production through the regulatory framework, the Toxic Substances Control Act (TSCA). Investigating TSCA’s operation, we consider why PFAS were relatively recently recognized as a significant public health threat, despite evidence of their risks in the 1960s. The historical context of TSCA’s enactment, including the mobilization of the chemical industry, contributed to the institutionalization of organizational practices promoting distinct types of ignorance based on stakeholder position: chemical manufacturers who have discretion over knowledge production and dissemination, regulators who operate under selective ignorance, and communities and consumers who experience nescience, or total surprise. 

In the absence of comprehensive environmental regulation, under what conditions can social movement pressure on the private sector generate substantive change? We explore this question in relation to per- and poly-fluoroalkyl substances (PFAS), a class of persistent, bioaccumulative, and toxic chemicals that are widely used in consumer products and industrial processes yet remain largely understudied and weakly regulated. This paper focuses on the strengths and limitations of one high-profile shame campaign by Greenpeace that has called for clothing and outdoor brands to eliminate PFAS from their products. We find that while the campaign appears to have spurred widespread awareness of PFAS in the apparel industry, corporate action remains fragmented and leaves broader environmental and social justice concerns unaddressed. We highlight the urgent need for comprehensive federal regulation for toxic chemicals, increased funding for green chemistry, and collaborative governance of global production networks.

 

Understandings of environmental governance both assume and challenge the relationship between expert knowledge and corresponding action. We explore this interplay by examining the context of knowledge production pertaining to a contested class of chemicals. Per-and polyfluorinated alkyl substances (PFASs) are widely used industrial compounds containing chemical chains of carbon and fluorine that are persistent, bioaccumulative and toxic. Although industry and regulatory scientists have studied the exposure and toxicity concerns of these compounds for decades, and several contaminated communities have documented health concerns as a result of their high levels of exposure, PFAS use remains ubiquitous in a large range of consumer and industrial products. Despite this significant history of industry knowledge production documenting exposure and toxicity concerns, the regulatory approach to PFASs has been limited. This is largely due to a regulatory framework that privileges industry incentives for rapid market entry and trade secret protection over substantive public health protection, creating areas of unseen science, research that is conducted but never shared outside of institutional boundaries. In particular, the risks of PFASs have been both structurally hidden and unexamined by existing regulatory and industry practice. This reveals the uneven pathways that construct issues of social and scientific concern.