[Code of Federal Regulations]
[Title 40, Volume 26]
[Revised as of July 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR503.6]

[Page 826-827]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 503--STANDARDS FOR THE USE OR DISPOSAL OF SEWAGE SLUDGE--Table of Contents
 
                      Subpart A--General Provisions
 
Sec. 503.6  Exclusions.

    (a) Treatment processes. This part does not establish requirements 
for processes used to treat domestic sewage or for processes used to 
treat sewage sludge prior to final use or disposal, except as provided 
in Sec. 503.32 and Sec. 503.33.
    (b) Selection of a use or disposal practice. This part does not 
require the selection of a sewage sludge use or disposal practice. The 
determination of the manner in which sewage sludge is used or disposed 
is a local determination.
    (c) Co-firing of sewage sludge. This part does not establish 
requirements for sewage sludge co-fired in an incinerator with other 
wastes or for the incinerator in which sewage sludge and other wastes 
are co-fired. Other wastes do not include auxiliary fuel, as defined in 
40 CFR 503.41(b), fired in a sewage sludge incinerator.
    (d) Sludge generated at an industrial facility. This part does not 
establish requirements for the use or disposal of sludge generated at an 
industrial facility during the treatment of industrial wastewater, 
including sewage sludge generated during the treatment of industrial 
wastewater combined with domestic sewage.
    (e) Hazardous sewage sludge. This part does not establish 
requirements for the use or disposal of sewage sludge determined to be 
hazardous in accordance with 40 CFR part 261.
    (f) Sewage sludge with high PCB concentration. This part does not 
establish requirements for the use or disposal of sewage sludge with a 
concentration of polychlorinated biphenyls (PCBs) equal to or greater 
than 50 milligrams per kilogram of total solids (dry weight basis).
    (g) Incinerator ash. This part does not establish requirements for 
the use or disposal of ash generated during the firing of sewage sludge 
in a sewage sludge incinerator.
    (h) Grit and screenings. This part does not establish requirements 
for the use or disposal of grit (e.g., sand, gravel,

[[Page 827]]

cinders, or other materials with a high specific gravity) or screenings 
(e.g., relatively large materials such as rags) generated during 
preliminary treatment of domestic sewage in a treatment works.
    (i) Drinking water treatment sludge. This part does not establish 
requirements for the use or disposal of sludge generated during the 
treatment of either surface water or ground water used for drinking 
water.
    (j) Commercial and industrial septage. This part does not establish 
requirements for the use or disposal of commercial septage, industrial 
septage, a mixture of domestic septage and commercial septage, or a 
mixture of domestic septage and industrial septage.