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Exhibit 1-6. Distribution of Respondents' Processes


                                                                        Number of
                                  Type of        Respondents           Total Volume of
Process Name                      Process        Using Process        Process Tanks (gal)
Anodize  Boric/Sulfuric        Alum. Finish          5                     8,501
Anodize  Chromic Acid          Alum. Finish          44                    35,846
Anodize  Hardcoat              Alum. Finish          47                    78,109
Anodize  Oxalic Acid           Alum. Finish          3                     2,430
Anodize  Phosphoric Acid       Alum. Finish          4                     446
Anodize  Sulfuric Acid         Alum. Finish          83                    131,988
Bright Dip                     Alum. Finish          28                    12,668
Deoxidize                      Alum. Finish          68                    57,470
Desmut                         Alum. Finish          64                    51,482
Dye                            Alum. Finish          69                    92,006
Etch                           Alum. Finish          82                    81,165
Seal                           Alum. Finish          54                    43,924
Seal  Dichromate               Alum. Finish          37                    31,340
Seal  Nickel                   Alum. Finish          52                    42,065
Seal  Sodium Bicarbonate       Alum. Finish          1                     350
Abrasive Blasting              Cleaning              91                    0
Acid Clean/Pickle  H2S04       Cleaning              131                   117,025
Acid Clean/Pickle  H3P04       Cleaning              36                    17,577
Acid Clean/Pickle  HCl         Cleaning              239                   393,460
Acid Clean/Pickle  HF          Cleaning              38                    14,222
Acid Clean/Pickle  HN03        Cleaning              51                    41,784
Acid Clean/Pickle  Mixed       Cleaning              29                    29,468
Acid Clean/Pickle,HFB03        Cleaning              1                     48
Acid Salts                     Cleaning              14                    35,696
Alk.  Elect.Clean              Cleaning              7                     12,733
Alk.  Elect.Clean (Non-CN)     Cleaning              232                   530,060
Alkaline  Cyanide              Cleaning              26                    19,608
Alkaline  Descaling            Cleaning              55                    33,367
Alkaline  Soak(Non-Cyan)       Cleaning              265                   634,158
Alkaline  Ultrasonic           Cleaning              2                     777
Emulsion Cleaning              Cleaning              10                    3,363
Salt Bath Descaling            Cleaning              3                     200
Spray Washers                  Cleaning              28                    24,080
Tumbling                       Cleaning              49                    0
Alkaline Resist Develop        Other                 1                     120
Ammonium Bifluoride            Other                 2                     4,600
Black Oxide                    Other                 55                    17,547
Bright Dip of Cadmium          Other                 29                    3,439
Bright Dip of Cu/Cu Alloy      Other                 61                    4,907
Bright Dip of Nickel           Other                 2                     350
Cadmium  Vacuum                Other                 1                     0
Chem Film                      Other                 1                     1,051
Chem Milling of Al             Other                 1                     250
Chem Milling of Ti             Other                 1                     500
Chromate on Aluminum           Other                 121                   73,532
Chromate on Black Oxide        Other                 1                     150
Chromate on Cadmium Plate      Other                 75                    29,132
Chromate on Copper             Other                 1                     160
Chromate on Magnesium          Other                 21                    4,211
Chromate on Phosphate          Other                 1                     100
Chromate on Silver             Other                 4                     2,545
Chromate on Zinc               Other                 19                    11,715
Chromate on Zinc Plate         Other                 114                   200,395
Chromium Etch                  Other                 4                     9,100
Electropolish                  Other                 24                    20,829
Etch,Chromic Acid              Other                 1                     4,000
Flame Spray                    Other                 0
Galvanizing                    Other                 2                     6,000
Magnesium HAE                  Other                 2                     2,246
Mass Finishing                 Other                 8                     5,555
Mechanical Plating             Other                 6                     2,160
Nital Etch                     Other                 9                     2,086
Passivation                    Other                 67                    17,941
Passivation  Nitric            Other                 58                    12,420
Passivation  SIS               Other                 2                     650
Phosphate  Calcium             Other                 1                     0
Phosphate  Iron                Other                 18                    8,222
Phosphate  Manganese           Other                 40                    13,539
Phosphate  Titanium            Other                 1                     400
Phosphate  Zinc                Other                 74                    78,800
Tin Hot Dip                    Other                 1                     30
Tin-Lead Solder Dip            Other                 1                     2,000
Titanium Anodize               Other                 1                     365
Brass                          Plating               55                    39,262
Bronze                         Plating               16                    8,646
Cadmium  Cyanide               Plating               94                    127,092
Cadmium  Non-Cyanide           Plating               8                     4,905
Chrome  Black                  Plating               2                     1,160
Chromium  Hard                 Plating               81                    322,227
Chromium,Decorative(Cr+3)      Plating               26                    22,685
Chromium,Decorative(Cr+6)      Plating               91                    148,982
Copper                         Plating               4                     860
Copper  Cyanide                Plating               120                   102,341
Copper  Electroless            Plating               10                    7,626
Copper  Fluoborate             Plating               3                     510
Copper  Pyrophosphate          Plating               4                     600
Copper  Strike(CN)             Plating               65                    37,504
Copper  Strike(Non-CN)         Plating               13                    9,116
Copper  Sulfate                Plating               61                    107,460
Gold  Cyanide                  Plating               64                    10,629
Gold  Non-Cyanide              Plating               19                    3,927
Indium                         Plating               5                     151
Iron                           Plating               3                     3,003
Lead                           Plating               6                     9,721
Lead-Tin                       Plating               36                    14,136
Nickel                         Plating               18                    18,995
Nickel  Black                  Plating               2                     230
Nickel  Brite                  Plating               21                    54,380
Nickel  Electroforming         Plating               3                     2,191
Nickel  Electroless,Boron      Plating               4                     401
Nickel  Electroless,Other      Plating               5                     3,290
Nickel  Fluoborate             Plating               1                     710
Nickel  Semi-Brite             Plating               3                     32,420
Nickel  Sulfamate              Plating               82                    55,879
Nickel  Sulfate                Plating               18                    40,875
Nickel  Teflon                 Plating               3                     175
Nickel  Tin                    Plating               1                     1,000
Nickel  Watts                  Plating               132                   541,552
Nickel  Woods                  Plating               32                    20,732
Nickel,Electroless,Phosph      Plating               94                    76,047
Palladium                      Plating               2                     565
Platinum                       Plating               2                     24
Rhodium                        Plating               16                    208
Silver  Cyanide                Plating               78                    36,258
Silver  Non-Cyanide            Plating               3                     205
Silver  Strike(CN)             Plating               2                     630
Tin  Acid                      Plating               86                    49,644
Tin  Alkaline                  Plating               30                    17,130
Tin-Lead (PC Boards)           Plating               8                     1,840
Zinc  Acid                     Plating               33                    212,188
Zinc  chloride                 Plating               1                     100
Zinc  Cyanide                  Plating               48                    202,632
Zinc  Non-Cyanide              Plating               90                    441,934
Zinc/Cobalt                    Plating               5                     4,225
Zinc/Iron                      Plating               4                     3,515
Zinc/Nickel                    Plating               3                     1,264
Zincate                        Plating               9                     3,302
l,l,l-Trichloroethane          Solvent Clean         92                    785
Acetone                        Solvent Clean         4                     0
Chlorofluorocarbons            Solvent Clean         11                    150
Freon                          Solvent Clean         1                     0
Methyl Ethyl Keytone           Solvent Clean         15                    0
Methylene Chloride             Solvent Clean         13                    0 
Perchloroethylene              Solvent Clean         36                    50
Stoddard                       Solvent Clean         1                     0
Trichloroethylene              Solvent Clean         53                    1,100
Xylene                         Solvent Clean         1                     0
Aluminum                       Stripping             1                     2
Anodize                        Stripping             49                    22,888
Anodize  Caustic               Stripping             2                     1,700
Anodize  Chrome-Phosphate      Stripping             1                     50
Brass                          Stripping             6                     3,220
Bronze                         Stripping             3                     1,290
Cadmium                        Stripping             53                    6,642
Chromium                       Stripping             77                    51,915
Copper                         Stripping             45                    10,913
Gold                           Stripping             9                     766
Magnesium HAE,Strip            Stripping             1                     450
Nickel                         Stripping             138                   50,487
Nickel,Electroless,Strip       Stripping             1                     4,300
Plasma,Strip                   Stripping             1                     50
Silver                         Stripping             31                    2,056
Tin                            Stripping             6                     970
Tin-Lead                       Stripping             32                    3,338
Tungsten Carbide,Strip         Stripping             1                     412
Zinc                           Stripping             60                    47,650
Zinc/Iron                      Stripping             1                     220

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