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CO Categorical Hot-Spot Finding

February 26, 2014

Cover of Federal Register

Regulatory Background

A CO categorical hot-spot finding was included in the January 24, 2008 transportation conformity amendments final rule at 40 CFR
93.123(a)(3) and explained in the preamble at
73 FR 4432-4434

Conformity Rule Summary

DOT, in consultation with EPA:

Signed February 12, 2014

Screenshot of CO categorical hot-spot finding memorandum

Application

CANNOT USE: If one or more parameters are outside the acceptable range for any of the intersection approaches

Project Parameters

Image of file cabinet drawer with hands checking a folder

Project Level Conformity Determination Documentation

Website

Under FHWA's Conformity Website
http://www.fhwa.dot.gov/environment/air_quality/conformity/policy_and_guidance/cmcf/index.cfm

Contact

Emily Biondi
emily.biondi@dot.gov
202-366-9482

Updated: 02/27/2014
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