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 Although the information provided here was accurate and current when first created, it is now outdated.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 10A. Quantity of 33/50 Program Chemicals Treated On- and Off-site,
by Chemical, 1991, 1995-1998

Return to text
Go to end of table
Go to Part B of Table 10

CAS
Number      Chemical                                 1991           1995
                                                    Pounds         Pounds
Treated On-site
 71-43-2    Benzene                               32,067,226     55,735,616
 56-23-5    Carbon tetrachloride                  15,122,884     52,783,870
 67-66-3    Chloroform                            24,839,106     17,351,138
 75-09-2    Dichloromethane                       33,978,595     25,514,607
 78-93-3    Methyl ethyl ketone                   58,058,042     69,359,019
108-10-1    Methyl isobutyl ketone                12,147,639     17,795,698
127-18-4    Tetrachloroethylene                   14,684,082     26,279,022
108-88-3    Toluene                              134,144,622    214,503,254
 71-55-6    1,1,1-Trichloroethane                  3,211,986      1,108,250
 79-01-6    Trichloroethylene                      4,886,629      5,218,927
   -        Xylenes                               51,584,079     87,865,970
   -        Cadmium and cadmium compounds            712,235        178,286
   -        Chromium and chromium compounds       35,046,595     94,612,244
   -        Cyanide compounds                     17,222,170     34,246,658
   -        Lead and compounds                    42,264,660     30,625,916
   -        Mercury and mercury compounds             35,755          6,307
   -        Nickel and nickel compounds            2,576,531      7,173,959

            Subtotal for 33/50 Chemicals         482,582,836    740,358,741
            Subtotal for All Other             3,874,586,668  4,125,157,946
            TRI Chemicals
            Subtotal for All                   4,357,169,504  4,865,516,687
            TRI Chemicals

Treated Off-site
 71-43-2    Benzene                                2,168,142      1,974,730
 56-23-5    Carbon tetrachloride                     840,947        730,882
 67-66-3    Chloroform                             2,086,756      2,061,635
 75-09-2    Dichloromethane                       11,123,271     11,801,587
 78-93-3    Methyl ethyl ketone                    8,547,414      6,341,958
108-10-1    Methyl isobutyl ketone                 2,620,175      1,902,631
127-18-4    Tetrachloroethylene                    3,352,387      2,285,968
108-88-3    Toluene                               15,560,453     19,526,266
 71-55-6    1,1,1-Trichloroethane                  5,521,652      1,340,192
 79-01-6    Trichloroethylene                      2,602,508      2,305,131
   -        Xylenes                               11,722,189     10,888,289
   -        Cadmium and cadmium compounds            337,522        194,096
   -        Chromium and chromium compounds        5,066,706      5,171,667
   -        Cyanide compounds                        486,712        723,846
   -        Lead and compounds                     5,435,977      9,294,201
   -        Mercury and mercury compounds             65,832         15,526
   -        Nickel and nickel compounds            2,460,236      2,340,992

            Subtotal for 33/50 Chemicals          79,998,879     78,899,597
            Subtotal for All Other               356,542,529    323,923,649
            TRI Chemicals
            Subtotal for All                     436,541,408    402,823,246
            TRI Chemicals

            Total for 33/50 Chemicals            562,581,715    819,258,338
            TRI Chemicals
            Total for All Other                4,231,129,197  4,449,081,595
            TRI Chemicals
            Total for All                      4,793,710,912  5,268,339,933
            TRI Chemicals

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.