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31. Before they were defined, there were no ecological targets for pollution control, only political ones.

32. In both agencies pollution control is administered from headquarters by an independent department.

33. Difficulties sometimes arise when the agency redefines pollution control policy for a stretch of water and, wishes to tighten existing standards.

34. Central to the green bill is the introduction of integrated pollution control.

35. The district is the basic geographical unit of pollution control and usually contains one or two river or stream systems.

36. Pollution control work, then, is typical of the many areas of social control characterized by goals of regulation rather than repression.

37. Eastern European pollution control has been notoriously ineffective.

38. River area today, the Fort White water pollution control.

39. What’s more, the hybrids remained the dominant Daphnia species decades after pollution control measures brought nutrient levels back to normal.

40. Wells Manufacturing Co. v. Pollution Control Board, 73 Il 1.2 d 226,22 I 11 . Dec . 672,383 N . E .2 d 148 ( 1978 ).

41. Non - point pollution control is difficult because its sources are dispersive.

42. The market-based transaction system for pollution control needs several premises to make it go on wheels.

43. Air Pollution Control:power plant scrubbers, electrostatic precipitators, waste-heat recovery systems, smelting scrubbers, and scrubbers for industrial boilers and inert-gas generators.

44. The adsorption method is one of the main techniques in oil-bearing wastewater treatment for the purpose of environmental pollution control.

45. This article provides an overview of biogeochemistry of mollusca from Huaihe river and its application for water pollution control.

46. There is only, at best ,[www.Sentencedict.com] random monitoring of wastewater effluent by the pollution control agency.

47. In coal burning process, the formation, moving, emission and control regulations of pollutant and the NOx pollution control technology are the key study content in coal burning field.

48. By using the green input-output table of Kunming, the water price, pollution control effect and concatenation coefficient were analyzed.

49. The Air Pollution Control Ordinance bans the import and sale of the more potentially dangerous types of asbestos, namely amosite and crocidolite , from May 1996.

50. Anaerobic digesting technology is widely applied in bio-energy development and pollution control of piggery wastewater, and has restrained the pollution of pig farm discharge efficiently.

51. As amended in 1990, the law is one of the most far-reaching pieces of air pollution control legislation in the world.

52. Constructing the relation of production pollution control and environmental quality is the important way to realize total emission reduction.

53. This policy can overcome the defects of environmental pollution control under command of administrative organ. It has a significant reference for the environmental protection in China.

54. He said: "This finding also shows that psychrophilic microbial degradation of oil abound, their Gulf of Mexico after the final status of oil pollution control plays an important role."

55. Based upon the improved Input Output model of environment economy resources pollution control, the regional multiple objective optimization model of water environment economy is established.

56. This article introduces the pollution effect factors of WJD-0.75 power shovel vehicle, and describes the pollution control and precaution measures.

57. Indoor Pollution Control Criterion for Civil Buildings. Beijing: China Plan Publishing Company , 2002.

58. The Thiobacillus ferrooxidans get more and more extensive usage in environment pollution control, because its low production cost, simple operation and not having second pollution etc. advantages.

59. According to the conditions of optimizing the allocation of resources , it will achieve the social optimal level of pollution control when the marginal income equals to the marginal cost.

60. We develop the new process and apply to produce. This has achieved the goal of recovery and utilization of acid tar and pollution control.