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[...]... federal air quality standards that are even more stringent than the California standards Except for the standard on nitrogen dioxide, the federal standards are not to be exceeded more than once a year These standards must be attained within three years of the date of final approval of the state plan, except that an extension of up to two years may be granted by the Administrator Thus, the South Coast Air... Air Basin is required to meet the new federal ambient air quality standards by 197 5, except in the case of photochemical oxidants, for which the EPA granted a two-year extension If the state agencies do not prepare a satisfactory implementation plan, the Act empowers the Administrator of EPA to develop such a plan, and if ~~~~~~~~~~~~~~~~~ broad authority to the Administrator Even if the Administrator... is an exacting federal statute which requires every state to develop an adequate air pollution abatement plan by 30 January, 197 2 The plan must provide for the implementation, enforcement and maintenance of national ambient air quality standards promulgated by the Administrator of the EPA (Table 2) These air quality standards must be attained within three years of the date of approval of such plan... "management standards," based on technical, economic and social feasibility, that would serve as milestones enroute to the clean air required by both the California and federal ambient air quality standards These management standards would set a first "target date," by which time significant percentage reductions are to be achieved in the number of days per year that ambient air quality standards are... Act of 197 0 (as amended) appears to give the Administrator of the EPA discretionary authority to approve such an approach by a state during the period in which a time extension is in effect Such extensions can be granted when (among other reasons) the necessary technology is unavailable; when the state has implemented reasonable alternatives (as would be the case if a strategy similar to EQL Strategy... February, 197 2 'California State ambient air quality standard '''Health Warning" level recommended by Los Angeles County Medical Association for persons with coronary artery diseases or chronic respiratory diseases 6 Recommended Ambient Air Quality Standards Applicable to All Air Basins, a report to the California Air Resources Board by the Technical Advisory Committee, September, 197 0 'State of California,... social and economic incentives, modes of transportation and patterns of land use and development in an attempt to formulate a long-range strategy LESTER LEES Director, Environmental Quality Laboratory Pasadena, California June 15, 197 2 12 SMOG A REPORT TO THE PEOPLE PART I EQL STRATEGY NO I -A SUMMARY 16 PART 1: SUMMARY In 197 0, 25 years after California enacted its first air pollution control law,... discouragingly high by the year 197 5, as shown in Table 1 Even as late as the year 198 0, thirteen years after the passage of the Mulford-Carrell Act, the maximum daily one-hour average oxidant level (including ozone) of 0.10 ppm, chosen so that it lies "below that associated with aggravation of respiratory diseases,"2 will be exceeded an average of 85 days per year at some location in the South Coast Air... plan or any revision thereof 13 The Administrator of the EPA may, in his discretion, grant an extension of up to two years in time allowed for the attainment of the primary standards 14 Under Final EPA Requirements for preparation, adoption, and submittal of implementation plans,15 states must develop a far-reaching control strategy for attaining the national primary ambient air quality standards "Control... LOg Angeles County stal had a~ r that d~d not meet state air quality standards for pnotocnemical oxidants (such as ozone) on 65% of the days, for carbon monoxide on 55% of the days, and for nitrogen dioxide on 31 % of the days Clean air was three decades behind us, and state and local enforcement agencies estimated that it was two decades ahead-in 199 0 The federal government said otherwise With the enactment . and social costs of these measures. The Clean Air Act of 197 0 (as amended) appears to give the Administrator of the EPA discretionary authority to approve such an approach by a state during the. decades ahead-in 199 0. The federal gov- ernment said otherwise. With the enactment of the Clean Air Amendments of 197 0 the timetable for clean air was moved ahead to 197 5-or 197 7, at the latest. The. Oxidant Air Quality for the South Coast Air Basin . 160 31 196 9 Seasonal Variation in Natural Gas Demand for the South Coast Air Basin. 161 32 Supply and Demand of Natural Gas in February 197 5

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