[Code of Federal Regulations]
[Title 40, Volume 26]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR403.4]

[Page 13]
 
                TITLE 40-PROTECTION OF ENVIRONMENT
 
      CHAPTER I-ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 403-GENERAL PRETREAT- MENT REGULATIONS FOR EXISTING AND NEW SOURCES OF POLLUTION--Table of Contents
 
Sec. 403.4  State or local law.

    Nothing in this regulation is intended to affect any Pretreatment 
Requirements, including any standards or prohibitions, established by 
State or local law as long as the State or local requirements are not 
less stringent than any set forth in National Pretreatment Standards, or 
any other requirements or prohibitions established under the Act or this 
regulation. States with an NPDES permit program approved in accordance 
with section 402 (b) and (c) of the Act, or States requesting NPDES 
programs, are responsible for developing a State pretreatment program in 
accordance with Sec. 403.10 of this regulation.