Table 1.--U.S. production of titanium materials
                                                                 (Metric tons)
                  -----------------------------------------------------------------------------------------------
                           Material              1970      1971      1972      1973      1974      1975      1976
                  -----------------------------------------------------------------------------------------------
                  Concentrates:
                    Ilmenite---------------   787,396   619,676   615,021   703,988   675,464   650,707   591,852
                    Rutile-----------------        --        --         W     8,464     5,848         W         W
                  Metal:
                    Sponge-----------------        NA        NA        NA        NA        NA        NA        NA
                    Ingot------------------    22,073    16,680    18,386    26,247    32,778    23,188    19,608
                  Titanium dioxide pigment:
                    Gross weight-----------        NA        NA        NA        NA        NA        NA   646,769
                    TiO2 content-----------   594,473   614,846   628,935   712,137   713,658   547,422        NA
                                           ----------------------------------------------------------------------
                                                 1977      1978      1979      1980      1981      1982      1983
                                           ----------------------------------------------------------------------
                  Concentrates:
                    Ilmenite---------------   579,241   535,014   579,957   504,981   492,019   238,945         W
                    Rutile-----------------         W         W         W         W         W         W         W
                  Metal:
                    Sponge-----------------        NA        NA  1/19,142  1/20,412  1/23,950  1/14,152    12,670
                    Ingot------------------    23,861    28,472    33,941    38,886    41,945    24,073    23,985
                  Titanium dioxide pigment:
                    Gross weight-----------   623,330   635,715   673,205   659,746   690,541   598,480   689,810
                    TiO2 content-----------        NA        NA        NA   603,468   635,618   556,586   641,524
                                           ----------------------------------------------------------------------
                                                 1984      1985      1986      1987      1988      1989      1990
                                           ----------------------------------------------------------------------
                  Concentrates:
                    Ilmenite---------------         W         W         W         W         W         W         W
                    Rutile-----------------         W         W         W         W         W         W         W
                  Metal:
                    Sponge-----------------    22,068    21,098    15,787    17,849    22,270    25,225    24,679
                    Ingot------------------    36,255    32,103    31,836    33,762    38,856    41,306    36,809
                  Titanium dioxide pigment:
                    Gross weight-----------   757,399   783,394   844,274   878,558   926,746 1,006,581   978,659
                    TiO2 content-----------   704,912   728,313   784,880   820,810   858,166   935,919   913,275
                  -----------------------------------------------------------------------------------------------
                    NA  Not available.  W  Withheld to avoid disclosing company proprietary data.
                    1/Calculated sponge production equals sponge consumption plus sponge exports minus sponge
                  imports and adjustments for Government and industry stock changes.