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  1. Air & Water Pollution Abatement Expenditures in Constant (1982)   Dollars: 1975 - 1988[In millions of dollars.]
  2.  
  3.         ____________________________Air__________________________
  4.                                          ___Stationary sources___
  5.                        Mobile                      __Industrial__
  6.                    ___sources(1)___                        Opera-
  7.                     Total                 Total    Facil-   tions
  8. Year     Total        (2)      Cars         (2)    ities     (3)
  9.  
  10. 1975    20,768      9,324     7,419      11,444    6,669    4,348
  11. 1978    23,774     11,877     8,928      11,900    5,652    5,711
  12. 1979    24,462     11,757     8,469      12,706    5,969    6,108
  13.  
  14. 1980    24,744     11,764     8,818      12,980    5,946    6,304
  15. 1981    25,850     13,401    10,564      12,448    5,446    6,299
  16. 1982    24,961     13,464    10,530      11,496    5,086    5,675
  17. 1983    26,367     15,581    12,274      10,785    4,104    5,990
  18. 1984    28,591     17,561    13,481      11,030    4,115    6,260
  19.  
  20. 1985    29,665     18,697    14,209      10,968    3,935    6,452
  21. 1986    30,580     19,508    14,804      10,073    3,884    6,660
  22. 1987    28,065     16,770    12,392      11,295    3,955    6,874
  23. 1988    29,259       18,116    13,606      11,143    3,938    6,757
  24.  
  25.  
  26.           _________________________Water_________________________
  27.                                                       Public
  28.                        ___Industrial____        __Sewer Systems__
  29.                                   Opera-                   Opera-
  30.            Total       Facil-      tions        Facil-      tions
  31. Year        (4)         ities       (3)          ities       (3)
  32.  
  33. 1975      22,840        4,200      2,950         8,997      3,428
  34. 1978      26,631        4,277      3,934        10,090      4,392
  35. 1979      26,470        4,013      4,222         9,758      4,583
  36.  
  37. 1980      24,647        3,725      4,081         8,942      4,694
  38. 1981      21,984        3,259      4,180         6,882      4,880
  39. 1982      21,199        3,080      4,022         6,148      5,156
  40. 1983      21,543        2,811      4,509         5,551      5,475
  41. 1984      23,257        2,900      4,795         6,387      5,649
  42.  
  43. 1985      24,724        2,995      5,035         7,005      6,016
  44. 1986      26,386        2,853      5,319         7,774      6,691
  45. 1987      27,962        3,119      5,988         8,248      7,116
  46. 1988      27,540        3,207      6,000         7,533      7,553
  47.  
  48.  
  49. 1. Includes expenditures to reduce emissions from sources other
  50.    than cars and trucks.
  51. 2. Includes other expenditures, not shown separately.
  52. 3. Operation of facilities.
  53. 4. Includes nonpoint sources, not shown separately.
  54.  
  55. Source:U.S. Bureau of Economic Analysis.
  56. 
  57.