Information provided for informational purposes only

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 Although the information provided here was accurate and current when first created, it is now outdated.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 11A. Quantity of 33/50 Program Chemicals Released On- and Off-site,
by Chemical, 1991, 1995-1998

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CAS
Number      Chemical                                1991           1995
                                                   Pounds         Pounds

 71-43-2    Benzene                              19,159,539     10,082,333
 56-23-5    Carbon tetrachloride                  1,651,819        436,696
 67-66-3    Chloroform                           19,936,188     10,608,511
 75-09-2    Dichloromethane                      79,908,700     59,293,156
 78-93-3    Methyl ethyl ketone                 106,528,325     70,044,998
108-10-1    Methyl isobutyl ketone               28,871,798     22,514,059
127-18-4    Tetrachloroethylene                  16,780,980      9,532,831
108-88-3    Toluene                             208,062,592    143,601,866
 71-55-6    1,1,1-Trichloroethane               139,346,666     22,881,795
 79-01-6    Trichloroethylene                    35,269,942     25,748,239
   -        Xylenes                             130,062,885    104,478,046
   -        Cadmium and cadmium compounds         1,553,222      2,074,375
   -        Chromium and chromium compounds      42,033,493     43,949,895
   -        Cyanide compounds                     7,146,331      8,824,676
   -        Lead and compounds                   36,432,035     30,652,707
   -        Mercury and mercury compounds           103,049         43,618
   -        Nickel and nickel compounds          11,501,758     10,785,911

            Total for 33/50 Chemicals           884,349,322    575,553,712
            Total for All Other               1,589,377,054  1,292,032,699
            TRI Chemicals
            Total for All                     2,473,726,376  1,867,586,411
            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.

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