EPA is proposing to add ortho-nitrotoluene (o-nitrotoluene) to the list of chemicals subject to reporting under section 313 of the Emergency Planning and Community Right-to-Know Act (EPCRA) and section 6607 of the Pollution Prevention Act (PPA). o-Nitrotoluene has been classified by the National Toxicology Program in their 12th Report on Carcinogens as “reasonably anticipated to be a human carcinogen.” EPA believes that o-nitrotoluene meets the EPCRA section 313(d)(2)(B) criteria because it can reasonably be anticipated to cause cancer in humans. Based on EPA’s review of the available production and use information, the agency believes that o-nitrotoluene is expected to be manufactured, processed, or otherwise used in quantities that would exceed the EPCRA section 313 reporting thresholds. Comments on the proposed addition of o-Nitrotoluene to the list of TRI chemicals must be received on or before May 13, 2013.

As background, Section 313 of EPCRA requires certain facilities that manufacture, process, or otherwise use listed toxic chemicals in amounts above reporting threshold levels to report their environmental releases and other waste management quantities of such chemicals annually. These facilities must also report pollution prevention and recycling data for such chemicals under the the PPA.  Congress established an initial list of toxic chemicals subject to reporting requiremen s that included more than 300 chemicals and 20 chemical categories.

EPCRA section 313(d) authorizes EPA to add or delete chemicals from the list and sets criteria for these actions. To add a chemical, EPA must demonstrate that at least one criterion is met, but need not determine whether any other criterion is met. The EPCRA section 313(d)(2) criteria are:

(A) The chemical is known to cause or can reasonably be anticipated to cause significant adverse acute human health effects at concentration levels that are reasonably likely to exist beyond facility site boundaries as a result of continuous, or frequently recurring, releases.

(B) The chemical is known to cause or can reasonably be anticipated to cause in humans cancer, teratogenic effects, or other serious or irreversible chronic health effects.

(C) The chemical is known to cause or can be reasonably anticipated to cause adverse environmental impacts, because of its toxicity and persistence in the environment, or tendency to bioaccumulate in the environment.

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