[Code of Federal Regulations]

[Title 40, Volume 24]

[Revised as of July 1, 2006]

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

[CITE: 40CFR191.22]



[Page 12]

 

                   TITLE 40--PROTECTION OF ENVIRONMENT

 

         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

 

PART 191_ENVIRONMENTAL RADIATION PROTECTION STANDARDS FOR MANAGEMENT AND 

DISPOSAL OF SPENT NUCLEAR FUEL, HIGH-LEVEL AND TRANSURANIC RADIOACTIVE 

WASTES--Table of Contents

 

      Subpart C_Environmental Standards for Ground-Water Protection

 

Sec.  191.22  Definitions.



    Unless otherwise indicated in this subpart, all terms have the same 

meaning as in subparts A and B of this part.

    Public water system means a system for the provision to the public 

of piped water for human consumption, if such system has at least 

fifteen service connections or regularly serves at least twenty-five 

individuals. Such term includes:

    (1) Any collection, treatment, storage, and distribution facilities 

under control of the operator of such system and used primarily in 

connection with such system; and

    (2) Any collection or pretreatment storage facilities not under such 

control which are used primarily in connection with such system.

    Total dissolved solids means the total dissolved (filterable) solids 

in water as determined by use of the method specified in 40 CFR part 

136.

    Underground source of drinking water means an aquifer or its portion 

which:

    (1) Supplies any public water system; or

    (2) Contains a sufficient quantity of ground water to supply a 

public water system; and

    (i) Currently supplies drinking water for human consumption; or

    (ii) Contains fewer than 10,000 milligrams of total dissolved solids 

per liter.