[Code of Federal Regulations]

[Title 40, Volume 28]

[Revised as of July 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 40CFR411.31]



[Page 195]

 

                   TITLE 40--PROTECTION OF ENVIRONMENT

 

         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

 

PART 411_CEMENT MANUFACTURING POINT SOURCE CATEGORY--Table of Contents

 

          Subpart C_Materials Storage Piles Runoff Subcategory

 

Sec.  411.31  Specialized definitions.



    For the purpose of this subpart:

    (a) Except as provided below, the general definitions, abbreviations 

and methods of analysis set forth in 40 CFR part 401 shall apply to this 

subpart.

    (b) The term 10 year, 24 hour rainfall event shall mean a rainfall 

event with a probable recurrence interval of once in ten years as 

defined by the National Weather Service in Technical Paper No. 40, 

``Rainfall Frequency Atlas of the United States,'' May 1961, and 

subsequent amendments, or equivalent regional or state rainfall 

probability information developed therefrom.