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Note: This information is provided for reference purposes only. Although the information provided here was accurate and current when first created, it is now outdated.

Table 13. Number of Forms Reporting Source Reduction Activity,
by 33/50 Program Chemical, 1991-1996

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                                     Forms Reporting Source Reduction Activity

CAS                                  -----------------------------------------

Number   Chemical                     1991   1992   1993   1994   1995*  1996*

                                     Number Number Number Number Number Number



 71-43-2   Benzene                     155    154    143    138    118    111

 56-23-5   Carbon tetrachloride         29     27     18     14     11      8

 67-66-3   Chloroform                   68     62     54     41     36     31

 75-09-2   Dichloromethane             525    422    384    348    308    307

 78-93-3   Methyl ethyl ketone         976    923    926    924    843    779

108-10-1   Methyl isobutyl ketone      387    363    342    361    342    287

127-18-4   Tetrachloroethylene         216    193    179    173    136    122

108-88-3   Toluene                   1,506  1,459  1,395  1,358  1,241  1,143

 71-55-6   1,1,1-Trichloroethane     1,619  1,505  1,174    600    364    192

 79-01-6   Trichloroethylene           291    248    289    276    268    247

   -       Xylene (mixed isomers)    1,373  1,329  1,295  1,270  1,169  1,074

   -       Cadmium and                  62     65     65     58     46     34

           cadmium compounds

   -       Chromium and                608    577    581    559    458    451

           chromium compounds

   -       Cyanide compounds            95     86     81     76     69     55

   -       Lead and                    487    445    432    423    349    335

           lead compounds

   -       Mercury and                  12      8     10      9      6      8

           mercury compounds

   -       Nickel and                  387    364    401    404    370    365

           nickel compounds



           Total for All             8,796  8,230  7,769  7,032  6,134  5,549

           33/50 Chemicals

           Total for All Other       9,579  9,216  8,984  8,548  7,371  6,850

           TRI Chemicals

           Total for All            18,375 17,446 16,753 15,580 13,505 12,399

           TRI Chemicals



                                               Percent of Forms that 

                                         Reported Source Reduction Activity

CAS                                   ---------------------------------------

Number   Chemical                     1991   1992   1993   1994  1995*  1996*

                                      Per-   Per-   Per-   Per-   Per-   Per- 

                                      cent   cent   cent   cent   cent   cent 



 71-43-2   Benzene                    31.8   32.2   30.1   27.9   26.5   25.3

 56-23-5   Carbon tetrachloride       28.4   30.0   24.0   20.0   18.3   14.0

 67-66-3   Chloroform                 36.8   34.3   30.9   24.4   23.2   20.4

 75-09-2   Dichloromethane            40.2   36.7   35.1   33.0   31.9   35.2

 78-93-3   Methyl ethyl ketone        37.5   36.5   37.1   38.0   37.4   37.7

108-10-1   Methyl isobutyl ketone     36.9   34.7   33.2   34.5   34.7   32.4

127-18-4   Tetrachloroethylene        37.2   36.8   36.2   36.8   33.3   33.3

108-88-3   Toluene                    37.8   37.8   37.7   37.2   37.2   36.7

 71-55-6   1,1,1-Trichloroethane      43.2   46.6   55.0   48.4   48.1   52.5

 79-01-6   Trichloroethylene          39.9   36.2   36.2   34.6   37.2   38.4

   -       Xylene (mixed isomers)     35.7   35.6   35.3   35.3   35.0   34.4

   -       Cadmium and                28.4   34.4   35.9   36.0   33.8   27.9

           cadmium compounds

   -       Chromium and               19.3   18.0   17.6   16.9   15.5   16.1

           chromium compounds

   -       Cyanide compounds          29.9   28.9   27.1   25.7   25.3   21.3

   -       Lead and                   26.6   25.6   25.1   24.9   22.5   22.0

           lead compounds

   -       Mercury and                21.4   20.5   28.6   30.0   17.6   24.2

           mercury compounds

   -       Nickel and                 15.8   14.6   15.3   15.1   14.5   14.3

           nickel compounds

 

           Total for All              33.0   32.3   32.0   30.3   29.3   28.6

           33/50 Chemicals

           Total for All Other        22.6   22.0   21.6   20.9   20.3   19.6

           TRI Chemicals

           Total for All              26.6   25.9   25.4   24.3   23.6   22.8

           TRI Chemicals



* Excludes Form As for 1995 and 1996, because Form As do not have a section

for reporting source reduction activity.

Note: Data for 1991 and 1995 reported on Form R of year indicated; data for

1996-1998 from 1996 Form R. Does not include delisted chemicals, chemicals.

added in 1994 and 1995, ammonia, hydrochloric acid, and sulfuric acid.

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