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EPA Denies TSCA Section 21 Petition on Fluoride Chemicals in Drinking Water; Provides Response to Petition
On February 27, 2017, the U.S. Environmental Protection Agency (EPA) announced in a Federal Register notice that it was denying a Toxic Substances Control Act (TSCA) Section 21 petition that requested regulatory action under Section 6 to “prohibit the purposeful addition of fluoridation chemicals to U.S. water supplies,” and that it was making available its response to the petition. 82 Fed. Reg. 11878. The petition was received by EPA on November 23, 2016, and EPA had 90 days in which to respond by either granting or denying the requested action.
While comment could be offered on many of the points discussed in the decision, we limit our reactions to a few key points. The first is that, given all of the work that is at play under new TSCA, we are frankly surprised that EPA saw the need for such a detailed and comprehensive response to the petitioners. From our perspective, a much shorter and more focused response would have provided an adequate basis for the denial decision.
The second is the way that EPA used its response as a platform to advocate for its interpretation that Section 6 requires that EPA consider all conditions of use in proceeding under that Section. While this point was made in its proposed procedural rule for conducting risk evaluations, that rule was, as indicated, only a proposal and, moreover, it was issued under the prior Administration. This decision, however, because it can be legally challenged by the petitioners, equates to a judicially reviewable act as the petitioners may commence a civil action in federal district court to compel EPA to initiate a rulemaking as requested in the petition. Interesting, too, is the fact that the decision was issued under the new Trump Administration. Given that the response was signed less than a month after the Inauguration, we do not want to over-interpret its significance (perhaps EPA was merely “reiterating” rather than “advocating” its position of record). We also note in passing that it was signed on the same day that the new Administrator was sworn in (February 17).
EPA’s response in this case is expansive and detailed, not only with respect to what EPA concluded the claimed risks of fluoride to be, but also regarding the considerable detail on what the agency apparently has concluded are required elements to qualify as sufficient to grant a Section 21 petition for TSCA Section 6(a) action in the future. The granularity of the discussion is extraordinary.
That EPA disagreed over the possible risks of fluoride is not the most interesting part of the notice. EPA’s response includes what in essence is the following argument about what is required to make a Section 21 argument that EPA can grant: the petition must include a complete risk evaluation, including an analysis of all conditions of use, showing how the TSCA risk standard is exceeded, before EPA would grant the petition.
EPA explicitly states, for example, that if a petition showed that a chemical use clearly exceeds the TSCA risk standard, and did not include all the conditions of use, EPA would still deny the petition to initiate action to control the risk. The notice states (at 11880):
So even if a chemical use is shown to cause great harm, it would not merit EPA granting the petition since it is not a complete risk evaluation as EPA wishes to define it. The notice explains EPA’s rationale for this position, essentially arguing that since EPA must assess “all conditions of use” in any control rule they might promulgate, then any outside petition must include all of the same homework before it can be granted.
This seems to obviate the very purpose of Section 21 petitions for Section 6 action, which in the past has been viewed as one way for the public to identify risks of concern to EPA which, for whatever reason, may not be on EPA’s radar. This asserted view, that only a comprehensive risk evaluation considering all conditions of use will suffice, presents a very high threshold for action -- and seemingly an impossibly high threshold to move EPA to act.
The petitioners in this case may decide to challenge the EPA decision. Activists concerned about the possible risks of fluoride have in the past been persistent and dogged about their cause. In this decision, however, there is potentially more than a disagreement over possible risks of fluoride; there might also be arguments over what is or is not sufficient for Section 21 petitions to be granted, or possibly about EPA’s general interpretation, as elaborated in the denial notice and in the risk evaluation procedural rule, that new TSCA does not provide discretion for EPA to evaluate less than all conditions of use in new actions under Section 6.