[Code of Federal Regulations]
[Title 40, Volume 29]
[Revised as of July 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR444.16]

[Page 454]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 444_WASTE COMBUSTORS POINT SOURCE CATEGORY--Table of Contents
 
       Subpart A_Commercial Hazardous Waste Combustor Subcategory
 
Sec. 444.16  Pretreatment standards for existing sources (PSES).

    Except as provided in 40 CFR 403.7 and 403.13, any source that 
introduces wastewater pollutants into a POTW must comply with part 403 
and achieve the following pretreatment standards:

                       Pretreatment Standards \1\
------------------------------------------------------------------------
                                                                Maximum
              Regulated  parameter                  Maximum     monthly
                                                     daily       avg.
------------------------------------------------------------------------
Arsenic.........................................          84          72
Cadmium.........................................          71          26
Chromium........................................          25          14
Copper..........................................          23          14
Lead............................................          57          32
Mercury.........................................         2.3         1.3
Silver..........................................          13           8
Titanium........................................          60          22
Zinc............................................          82         54
------------------------------------------------------------------------
\1\ Micrograms per liter (ppb)