[Code of Federal Regulations]
[Title 40, Volume 15]
[Revised as of July 1, 2006]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR68.39]

[Page 166-167]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 68_CHEMICAL ACCIDENT PREVENTION PROVISIONS--Table of Contents
 
                       Subpart B_Hazard Assessment
 
Sec.  68.39  Documentation.

    The owner or operator shall maintain the following records on the 
offsite consequence analyses:
    (a) For worst-case scenarios, a description of the vessel or 
pipeline and substance selected as worst case, assumptions and 
parameters used, and the rationale for selection; assumptions shall 
include use of any administrative controls and any passive mitigation 
that were assumed to limit the quantity that could be released. 
Documentation shall include the anticipated effect of the controls and 
mitigation on the release quantity and rate.
    (b) For alternative release scenarios, a description of the 
scenarios identified, assumptions and parameters used, and the rationale 
for the selection of specific scenarios; assumptions shall include use 
of any administrative controls and any mitigation that were assumed to 
limit the quantity that could be released. Documentation shall include 
the effect of the controls and mitigation on the release quantity and 
rate.
    (c) Documentation of estimated quantity released, release rate, and 
duration of release.
    (d) Methodology used to determine distance to endpoints.

[[Page 167]]

    (e) Data used to estimate population and environmental receptors 
potentially affected.