[Code of Federal Regulations]
[Title 40, Volume 27]
[Revised as of July 1, 2008]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR312.30]

[Page 404]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 312_INNOCENT LANDOWNERS, STANDARDS FOR CONDUCTING ALL APPROPRIATE 
INQUIRIES--Table of Contents
 
                    Subpart C_Standards and Practices
 
Sec.  312.30  Commonly known or reasonably ascertainable information 
about the property.

    (a) Throughout the inquiries, persons to whom this part is 
applicable per Sec.  312.1(b) and environmental professionals conducting 
the inquiry must take into account commonly known or reasonably 
ascertainable information within the local community about the subject 
property and consider such information when seeking to identify 
conditions indicative of releases or threatened releases, as set forth 
in Sec.  312.1(c), at the subject property.
    (b) Commonly known information may include information obtained by 
the person to whom this part applies in Sec.  312.1(b) or by the 
environmental professional about releases or threatened releases at the 
subject property that is incidental to the information obtained during 
the inquiry of the environmental professional.
    (c) To the extent necessary to achieve the objectives and 
performance factors of Sec.  312.20(e) and (f), persons to whom this 
part is applicable per Sec.  312.1(b) and the environmental professional 
must gather information from varied sources whose input either 
individually or taken together may provide commonly known or reasonably 
ascertainable information about the subject property; the environmental 
professional may refer to one or more of the following sources of 
information:
    (1) Current owners or occupants of neighboring properties or 
properties adjacent to the subject property;
    (2) Local and state government officials who may have knowledge of, 
or information related to, the subject property;
    (3) Others with knowledge of the subject property; and
    (4) Other sources of information (e.g., newspapers, Web sites, 
community organizations, local libraries and historical societies).