83 D) can be eliminated by the use of industrial waste streams
E) could be reduced by enforcing emission limits and environmental controls
194- The author points out that the danger posed to man by many substances .................. . A) is unrelated to environmental pollution
B) is even greater than generally admitted
C) arises from their misuse and wrong disposal
D) continues to grow despite constant control of disposal systems
E) is solely due to the use of industrial waste streams
