RESSi Report to Congress UNITED STATES ENVIRONMENTAL PROTECTION AGENCY • 4TH & M STREET SOUTH WEST WASHINGTON, D.C. 20460 ------- PROGRESS IN THE PREVENTION AND CONTROL OF AIR POLLUTION IN 1973 ANNUAL REPORT OF THE ADMINISTRATOR OF THE ENVIRONMENTAL PROTECTION AGENCY TO THE CONGRESS OF THE UNITED STATES IN COMPLIANCE WITH THE CLEAN AIR ACT AS AMENDED JANUARY 1974 ------- TABLE OF CONTENTS CHAPTER PAGE PREFACE v I - Introduction and Summary 1 II - The Progress and Problems Associated with Control of Mobile Source Emissions and the Research Efforts Related Thereto 6 - Measures Taken to Implement Mandated Title II Emission Standards 6 - Transportation Control Plans 11 - Additional Activities in the Mobile Source Area ... 14 - Mobile Source Research and Development 21 III - The Development of Air Quality Criteria and Recom- mended Emission Control Requirements 24 - National Ambient Air Quality Standards 24 - National Emission Standards for Hazardous Air Pollutants 25 - Health Effects Research 29 IV - The Status of Enforcement Actions Taken Pursuant to This Act 30 - Stationary Source Enforcement Actions 30 - Mobile Source Enforcement Actions 33 - Enforcement of Section 306 - Federal Procurement. . . 38 V - The Status of State Standards Setting, Including Such Plans for Implementation as Have Been Developed 40 - Issues Affecting Development and Implementation of State Implementation Plans 42 - Status of State Implementation Plan Approvals, Disapprovals, and Promulgations 49 ------- Table of Contents (continued) CHAPTER VI - The Extent of Development and Expansion of Air Pollution Monitoring Systems .. ......... 51 - Progress in the Development of Monitoring Systems . .52 - Trends in National Ambient Air Quality Levels. ... 57 VII - The Development of New and Improved Air Pollution Control Techniques ................ 55 VIII - The Development of Instrumentation to Monitor Emissions and Air Quality ............ 72 - Emissions Monitoring Developments ....... ... 73 - Ambient Monitoring Developments. ... ....... 74 - Quality Control Efforts ............... 75 IX - Standards Set or Under Consideration Pursuant to Title II of This Act ............... 75 X - The Status of State, Interstate/ and Local Pollution Control Programs Established Pursuant to and Assisted by This Act .......... .. 79 - Federal Financial Assistance to Air Pollution Control Agencies ................. 80 - Progress of State and Local Air Pollution Control Programs ..................... 80 XI - Reports and Recommendations Made by the President's Air Quality Advisory Board ............. 85 APPENDIX - Summary of EPA's Stationary Source Air Enforcement Actions ii ------- Tables Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 Table 11 Table 12 Table 13 Table 14 Table 15 Major Air Pollution Control Regulations and Standards Issued During 1973 ••• 1975 Model Year Light-Duty Vehicle Emission Standards 7 - Status of the Transportation Control Plans. . 13 - Control Measures Used in Transportation Control Plans 15 - Emission Levels of In-Use Vehicles 17 Sources Regulated by National Emission Standards for Hazardous Air Pollutants 26 - New Source Performance Standards Proposed in 1973 28 - Summary of Mobile Source Enforcement Actions. 34 - Priority Classifications of Air Quality Control Regions 41 - Status of State Implementation Plans 50 - Status of Air Quality Control Regions with Respect to State Implementation Plan Monitoring Requirements (Sept. 1973). ... 53 - Comparison of Numbers of Existing and Proposed Monitors with Number Required by State Implementation Plans 53 Status of Air Quality, Total Suspended Particulates 62 Status of Air Quality, Sulfur Dioxide 1972. . 63 Status of Air Quality, Oxidants 1972 ..... 64 111 ------- Tables (continued) Table 16 Table 17 Table 18 Table 19 Table 20 Page - Status of Air Quality/ Carbon Monoxide . . 65 Mobile Source Emission Standards Acted Upon by EPA in 1973 Mobile Source Regulations Acted Upon by EPA in 1973 Summary of Grant Awards to State and Local Air Pollution Control Agencies Personnel Employed by State and Local Air Pollution Control Agencies . . 77 76 81 83 Table of figures Figure 1 Figure 2 Figure 3 Illustrative Label for 1974 Vehicles—- Specific Information 19 Composite Levels of Total Suspended Particulates at Urban and Non-urban NASN Stations , Composite Levels of Sulfur Dioxide at 32 NASN Stations 58 59 IV ------- PREFACE The Clean Air Act, as amended, authorizes a national program of air pollution research, regulation, and enforce- ment activities. This program is directed at the Federal level by the U. S. Environmental Protection Agency (EPA). However, primary responsibility for the prevention and control of air pollution at its source rests with State and local governments. EPA's role is to conduct research and development programs, set national goals (via standards and regulations), provide technical and financial assistance to the States, and, where necessary, supplement State imple- mentation and enforcement programs. Section 313 of the Clean Air Act requires the Adminis- trator to report yearly on measures taken toward implementing the purpose and intent of the Act. Section 313 reads as follows: "Not later than six months after the effec- tive date of this section and not later than January 10 of each calendar year beginning after such date, the Administrator shall report to the Congress on measures taken toward implementing the purpose and intent of this Act including, but not limited to, (1) the progress and problems associated with control of automotive exhaust emissions and the research efforts related thereto; (2) the development of air quality criteria and recommended emission control require- ments; (3) the status of enforcement actions taken pursuant to this Act; (4) the status of State ambient air standards setting, v ------- including such plans for implementation and enforcement as have been developed; (5) the extent of development and expansion of air pollution monitoring systems; (6) progress and problems related to development of new and improved control techniques; (7) the development of quantitative and qualitative instrumentation to monitor emissions and air quality; (8) standards set or under con- sideration pursuant to title II of this Act; (9) the status of State, interstate, and local pollution control programs established pursuant to and assisted by this Act; and (10) the reports and recommendations made by the President's Air Quality Advisory Board." This report covers the period January 1 to October 15, 1973 and describes the major elements of progress toward the pre- vention and control of air pollution that have been made by EPA since the last report. vi ------- I. INTRODUCTION AND SUMMARY The year 1973 was significant for air pollution control. This report reviews the progress that the U. S. Environmental Protection Agency (EPA) has made during the first 10 months of 1973 in the control and prevention of air pollution. It follows the order of topics listed in Section 313 of the Clean Air Act. Additional measures of progress have been incorporated where appropriate. EPA acted on a number of air pollution control regulations and standards in 1973. The major ones are summarized in Table 1. A number of major events occurred in 1973: o A 1-year suspension of the statutory 1975 hydrocarbon (HC) and carbon monoxide (CO) emission standards for light-duty motor vehicles was granted; interim standards were set. o A 1-year suspension of the statutory 1976 nitrogen oxides (NO ) emission standard for J^. light-duty motor vehicles was granted; an interim standard was set. ------- Table 1 Major Air Pollution Control Regulations and Standards Issued During 1973' Subiect Reduction of lead in gasolines Availability of lead-free gasolines Inspections of motor vehicle certification activities National emissions standards for hazardous air pollutants Stationary source upset provisions Servicing of auto emission controls New source performance standards (Group II) Indirect sources/maintenance of standards Denial of grants, loans, and contracts to polluters Emission standards for 1975 model year autos Significant deterioration of air quality Aircraft emissions Aircraft engine retrofit Emissions from light-duty trucks Emission standard for 1976 model year autos Revocation of annual secondary ambient air quality standard for sulfur dioxides Supplementary control systems Regulations for high-altitude motor vehicles Transportation control plans Date Published in Federal Register Jan. 10 Jan. 10 Feb. 26 March 30 May 2 June 4 June 5 June 18 June 21 July 2 Status Proposed Final Proposed Final Proposed Final Proposed Final Proposed Final Discussed in Chapter IX IX IX III III IX III V IV II July 16 July 17 July 17 Aug. 7 Aug . 21 Sept. 14 Sept. 14 Oct. 12 o Proposed Final Proposed Final Final Final Proposed Proposed Final V IX IX IX II III V IX II a b First 10 months only Promulgated on several different dates ------- o Transportation control plans were developed or approved for those Air Quality Control Regions requiring them. o The Annual Secondary Sulfur Oxides Ambient Air Quality Standard was revoked. o New Source Performance Standards were proposed for 7 additional sources. o National Emissions Standards for Hazardous Pollutants were promulgated for asbestos, beryllium, and mercury. o Approximately 65 enforcement actions were taken against stationary sources of air pollution and about 600 investigations are underway. o Approximately 80 investigations were conducted by the Mobile Source Enforcement Program; 214 administrative orders and seven referrals to the Department of Justice have resulted. o Effective July 1, 1974, air polluters will be ineligible for certain Federal contracts, grants, and loans. o EPA promulgated compliance schedules, where necessary, for some stationary sources. o In the center of selected cities, the average concentrations of total suspended particulates dropped 20 percent over the past 12 years, and ------- average sulfur dioxide concentrations dropped 50 percent. o New monitoring data indicated that the air quality in some Air Quality Control Regions originally believed to be meeting standards may actually be violating the standards. o The SO control technology development program is Jt demonstrating adequate control technology for utility boilers to support the Agency's immediate (through 1980) regulatory and enforcement needs. o Non-utility sources of SOx/ which are major contrib- utors to ambient concentrations/ are becoming the focal point of control system development activity. o Control technology for fine particulates, potentially a major health hazard, is seriously deficient. A major effort to develop detection measurement and control technology is underway. o The Community Health Effects Surveillance Studies (CHESS) program continued to demonstrate the benefits of improved air quality; adverse health effects of suspended sulfates were highlighted. o Numerous monitoring instruments were developed— for example/ instruments for 1) methane/ ------- carbon monoxide, and carbon dioxide from cars and 2) ambient nitrogen oxides. o The number of State and local control agency personnel climbed to 6,195 in Fiscal Year 1973, up from 4,165 in 1971 and 2,837 in 1969. o EPA support of State and local control agencies increased to $50.5 million in Fiscal Year 1973, as compared to $42.1 million in 1972. ------- II. THE PROGRESS AND PROBLEMS ASSOCIATED WITH CONTROL OF MOBILE SOURCE EMISSIONS AND THE RESEARCH EFFORTS RELATED THERETO Title II of the Clean Air Act mandated at least 90 percent reductions in carbon monoxide (CO), hydrocarbons (HC), and oxides of nitrogen (NO ) emissions 2t froir light-duty vehicles and engines, and gave the Administrator authority to prescribe certain other emission standards for automobiles, trucks, and planes. MEASURES TAKEN TO IMPLEMENT MANDATED TITLE II EMISSION STANDARDS Suspension of HC and CO Emission Standards for 1975 Model Year Autos In 1972, EPA denied the requests of five manu- facturers for a 1-year suspension of the nationwide statutory 1975 automobile emission standards for HC and CO. As a result of a decision by the U. S. Court of Appeals for the District of Columbia Circuit, EPA in 1973 was required to reconsider its earlier decision. Following extensive public hearings, EPA on April 11, 1973, suspended the statutory 1975 HC and CO emission standards until 1976 and established a set of interim standards for 1975. A somewhat more restrictive set of interim standards was established for vehicles sold in California than for vehicles sold in the rest of the country. The California standards were designed to ------- require the use of catalyst systems on automobiles sold in that State. Suspension of the nation-wide standards avoids economic difficulties involved in forcing catalyst technology on all 1975 domestic vehicles, while the interim California standards provide for a gradual phasing- in of catalyst technology prior to 1976. Table 2 sum- marizes the 1975 interim emission standards. Table 2 1975 Model Year Light-Duty Vehicle Emission Standards Emission.Limit (Grams per Mile) Hydro- Carbon- Nitrogen carbons monoxide Oxides National Interim Standards 1.5 15.0 3.1 California Interim Standards 0.9 9.0 2.0 National Statutory Standards .41 3.4 After the initial suspension decision granting the request of five domestic motor vehicle manufacturers, 27 other domestic and foreign automobile manufacturers also applied for a suspension. Having previously considered three of the Section 202(b)(5)(D) criteria which were applicable to the industry in general (i.e., public interest/ availability of technology, and cor- roborating information, including the National Academy of Science's study on available technology) and con- cluding that they did favor suspension, EPA held a public hearing limited to the fourth criterion (i.e., good faith of individual applicant). EPA granted the suspension to ------- these 27 applicants in July. In August/ two more manufacturers applied for suspension. A notice of EPA1s intent to grant the sus- pension was published in the Federal Register; for lack of comments no public hearing was held and the suspension requests were granted. In September 1973, one additional manufacturer requested suspension; disposition of that request is pending. Suspension of NOX Emission Standard for 1976 Model Year Light-Duty Vehicles" On July 30, 1973, after 9 days of public hearings, the Administrator granted Ford Motor Co., General Motors Corp., and Chrysler Corp. a suspension of the effective date of the statutory 1976 NC- emission standard for light- X duty vehicles for 1 year as allowed by Section 202(b)(5)(D) of the Clean Air Act. The Administrator established an interim standard of 2.0 grams per mile. The suspended standard was 0.4 grams per mile. There are several manufacturers who have not yet applied for a suspension, but they are expected to do so by the end of this year. The only criterion that will have to be evaluated with respect to these manufacturers is the good faith of their efforts. Certification Testing Certification of new passenger cars for compliance with Federal emission standards began with 1968 model 8 ------- year vehicles. The program includes testing prototype vehicles which represent all new motor vehicles sold in the United States. The manufacturer is required to submit data showing that prototypes conform to Federal standards for exhaust, crankcase, and fuel evaporative emissions. EPA carries out a review of the manufacturers data and performs confirmatory tests on selected proto- types. During the past year, certification of 1974 model year light-duty vehicles and heavy-duty engines was completed. Test programs of approximately 50 manu- facturers were monitored and data from over 600 fleet vehicles and engines were reviewed. This year's certification program represented a major increase in vehicles of each type over the previous model year and required that EPA conduct over 1,200 planned emission tests. Limited Certificates of Conformity Ford Motor Co., International Harvester Co., and General Motors Corp. encountered scheduling problems which made it impossible to complete their certification programs prior to production start-up dates. To avoid the severe economic repercussions associated with plant shutdowns, EPA issued limited certificates to permit shipping vehicles. Limited certificates included elaborate safeguards to assure that no uncertified ------- vehicles would be sold to an ultimate purchaser. The first limited certificates were issued in August. By the end of September, all such limited certificates had been replaced with full certificates. California Request for Waiver of Pre-emption for 1975 Model Year Light-Duty Trucks The 1975 model year suspension decision granted, in part, California's request for waiver with respect to 1975 model year light-duty passenger vehicles. On Aug. 17, California requested a waiver with respect to 1975 model year light-duty trucks. A public hearing was held in San Francisco on Oct. 2, 1973. On Nov. 1, 1973, the Administrator denied California's waiver request on the grounds that insufficient lead time existed before the 1975 model year to permit the widespread use of catalysts on 1975 model light-duty trucks. However, in denying the waiver requests the Administrator did permit California to enforce the NO standards of 2 gpm which is more X stringent than the 3.1 gpm Federal standard for 1975 model light-duty trucks because the 1974 model light-duty trucks sold in California were required to meet the 2 gpm N0x standards. The Administrator's decision will permit California to enforce its requested standards of .9 gpm HC and 17 gpm CO for 1976 model year light- trucks . 10 ------- Assessment of Mobile Source Technology In 1972, EPA formed a task force to assess mobile source emission control technology. In February 1973, the task force issued a report (based on information obtained from vehicle manufacturers, component suppliers, and in-house testing) indicating that only three of 20 manufacturers studied—Honda, Toyo Kogyo (Mazda) and Daimler-Benz—intended to rely on noncatalyst systems to meet 1975 emission standards.-' In EPA tests, all three were able to meet the original statutory 1975 standards. Of the manufacturers intending to use catalyst systems, only General Motors, Ford, and Chrysler seemed to have good probabilities of meeting the statutory 1975 standards. TRANSPORTATION CONTROL PLANS The United States is divided into 247 Air Quality Control Regions (AQCRs). Thirty-eight AQCRs in 23 States (including the District of Columbia) require transportation control measures, in addition to stationary source emissions controls and the Federal new car emission controls, to attain ambient air quality standards for CO or photochemical oxidants. In addition, the latest air quality data are being examined to identify other AQCRs in which air quality standards for CO or photochemical oxidants might be exceeded. Initial review of these data indicates that standards may be being 1 U.S. Environmental Protection Agency. Automobile emission control - the state-of-the-art as of December, 1972. February 1973. xl ------- violated in 20 additional AQCRs. (See Chapter VI.) A number of States submitted transportation control plans for EPA's approval. When review of the State plan did not demonstrate that air quality standards would be attained, EPA 1) published notice to that effect in the Federal Register and 2) proposed a transportation control plan. EPA's proposed plans were presented at hearings to permit public participation in the proposed rule making. For those States that did not prepare and submit transportation control measures, EPA published in the Federal Register proposed strategies to reduce CO or HC emissions from motor vehicles. Public hearings were also held to consider these proposed transportation control plans. The promulgation of EPA-proposed rule making in the Federal Register was to be completed by late Mov. 1973. Table 3 summarizes the actions EPA has taken, to date, on transportation control plans. It is EPA policy to with- draw its proposed or promulgated plans as soon as an approvable State plan is submitted. The transportation control plans have been worked out through close cooperation between Federal, State, and local officials. In the California cities where auto- related air pollution is generally considered to be among the worst in the Nation, the transportation controls include parking restrictions, exclusive use of lanes or streets by buses, vehicle inspection-maintenance programs, 12 ------- Table 3 Status of the Transportation Control Plans' Approved State Plans 1. New York City, N. Y. 2. Rochester, N. Y. 3. Syracuse, N. Y. 4. Dayton, Ohio 5. Toledo, Ohio 6. Minneapolis, Minn. 7. Birmingham, Ala. 8. Mobile, Ala. 9. Kansas City, Mo. 10. Kansas City, Kan. 11. Baton Rouge, La. 12. Portland, Oreg. Promulgated EPA Plans 1. Boston, Mass. 2. Springfield, Mass. 3. New Jersey Suburbs of New York City 4. New Jersey Suburbs of Philadelphia, Pa. 5. Cincinnati, Ohio 6. Houston-Galveston, Tex. 7. Dallas-Ft. Worth, Tex. 8. San Antonio, Tex. 9. Austin-Waco, Tex. 10. El Paso, Tex. 11. Corpus Christi- Victoria, Tex. 12. Denver, Colo. 13. Los Angeles, Calif. 14. San Francisco, Calif. 15. San Diego, Calif. 16. Fresno, Calif. 17. Sacramento, Calif. Still to be Approved/Promulgated 1. Pittsburgh, Pa. 2. Philadelphia, Pa. 3. Baltimore, Md. 4. Washington, D. C. 5. Maryland Suburbs of Washington, D. C. 6. Virginia Suburbs of Washington, D. C. 7. Indianapolis, Ind. 8. Chicago, 111. 9. Beaumont, Tex. 10. Salt Lake City, Utah 11. Phoenix-Tucson, Ariz. 12. Seattle, Wash. 13. Spokane, Wash. 14. Portland, Oreg. As of Nov. 6, 1973. Some interstate AQCRs are listed more than once, therefore the total is not 38. ------- mass transit incentive plans by employers/ controls on gas handling operations, special treatment for buses and car pools on military installations, metered ramps on some highway entrances with bypass lanes for buses and car pools, retrofit of air pollution controls devices on autos, and a contingency strategy of gasoline limitations. Most of the other urban plans contain some combination of these controls, depending on the severity of the local air pollution problem. The types of control techniques employed are summarized in Table 4. EPA intends to ask Congress for flexibility in working out achievable schedules for those cities requiring drastic control measures. However, EPA believes that all of the control techniques are reason- able and feasible except for severe gasoline limitations. ADDITIONAL ACTIVITIES IN THE MOBILE SOURCE AREA NOX Emission Standard The previous reference method for nitrogen dioxide (the so-called Jacobs-Hochheiser method) was recently found to be inadequate. Because of problems in collec- tion efficiency and NOX interference, it cannot be used for accurate measurement of ambient atmosphere. As a result of measurements made with other monitoring instrumentation, 43 Air Quality Control Regions (AQCRs) throughout the country previously classified as being 14 ------- Table 4 Control Measures Used in Transportation Control Plans Additional Stationary Source Controls Filling storage tanks at service stations Filling auto tanks Loading and unloading barges Solvent and degreasing operations Architectural coating operations Dry cleaning establishments Inspection and Maintenance Light-Duty Vehicle Heavy-Duty Vehicle Traffic Flow/Transit Improved mass transit Improved traffic flow Cus-car pool lanes Car pool matching system Transportation by-pass Traffic Disincentives Parking restrictions Bridge tolls Vehicle-free zones Delivery bans Idling restrictions Taxi cruise restrictions Motorcycle limits Mechanical Retrofit Vacuum spark advance disconnect Air bleed Catalyst High-altitude modifications Truck retrofit Gasoline Limitations 15 ------- in violation of health-protective primary standards were found not to be in violation. Two AQCRs definitely remain in violation. In one, Chicago, the statutory NO emission reduction for automobiles will not be Jt necessary to meet primary standards. In the other instance, Los Angeles, achievement of the statutory NO emission X reduction would fail to result in air quality that would meet established goals until 1990. Consequently, EPA recommended that Congress consider the revision of the statutory 1977 model year, 90 percent NO emission Jv reduction standard contained in the Clean Air Act of 1970. Automotive Exhaust Emission Survey Several studies have been comnrissioned by EPA to determine exhaust emissions from in-use motor vehicles. The most recent study, a survey of 1957 to 1971 model year vehicles based on the improved test procedures applicable to 1975 model year vehicles, shows a signifi- cant downward trend in HC and CO emissions since the 2 advent of Federal emissions standards. However, during the same time period, NO emissions have increased. Jt The data are summarized in Table 5. 2 Automobile Exhaust Emission Surveillance; A Summary. Calspan Corp., Buffalo, New York, March 1973. Under contract to EPA, this organization analyzed data obtained by EPA funded surveillance programs. 16 ------- Table 5 Emission Levels of In-Use Vehicles HC CO NOX Grams/ % Grams/ % Grams/ % Model Year mile change mile change mile change Pre-Controlled 8.74 86.5 3.54a (1957-67) 1968 1969 1970 1971 5.54 5.19 3.90 3.06 -37% -41% -55% -65% 67.8 61.7 48.2 40.1 -23% -29% -44% -54% 4.34 5.45 5.05 4.81 + 22% +52% +43% + 35% 1968-71 (Average) 4.42 -49% 54.4 -37% 4.91 +39% a NOV regulated starting with 1973 model year. JC The data also showed that most cars exceeded either the CO or the HC standards applicable to their model year. This can probably be attributed to a combination of factors including: 1) problems with quality control of production vehicles; 2) the fact that the cars were tested in the condition in which they were found and may not have been maintained properly; and 3) because emissions averaging was allowed in the certification of prototypes through 1971 to determine compliance with the standards. Auto Fuel Economy Labeling Program In the President's Energy Message to Congress of April 16, 1973, EPA was assigned (in cooperation with the Department of Commerce and the Council on Environ- 2 Automobile Exhaust Emission Surveillance; A Summary. Calspan Corp., Buffalo, New York, March 1973. Under contract to EPA, this organization analyzed data obtained by EPA funded surveillance programs. ------- mental Quality) the responsibility of developing a program to inform the public on fuel economy characteristics of automobiles. EPA published proposed procedures in an Aug. 27, 1973 Federal Register notice. The implementation of the program depends on auto manufacturers voluntarily displaying one of two approved labels beside the car price sticker. One label would provide general information regarding average fuel consump- tion for cars tested in the same weight class. The alterna- tive label would offer the same information plus the specific test results for the model of car offered for sale. (See Figure 1.) The railes-per-gallon informa- tion was developed at the EPA testing facility in Ann Arbor, Michigan. The test procedure is the same as used for the emission certification program and is based on an urban/suburban driving cycle. To date, auto manu- facturers representing approximately 90 percent of the U.S. new car market have agreed to participate in the voluntary program. EPA is providing participating auto dealers with a pamphlet which describes the concept of fuel economy and its importance as a criterion for new car buyers. Clean Car Incentive Program • The Federal Clean Car Incentive Program is designed to foster development of new types of low-emission vehicles capable of meeting 1976 standards. EPA leases a 18 ------- Figure 1 ILLUSTRATIVE LABEL FOR 1974 VLHICLE3--SP£Ci:: 1C INI-ORi-iATION Based on the results of tests conducted or certified by the U.S. Environmental Protection Agency, the fuel consumption of this vehicle is estimated to be: 17 Miles Per Gallon on an b'PA test cycle which simulates commuter-type dri vi ng . The table below shows miles per gallon (MPG) per- forrnanca and fuel costs for vehicles in different weight categories. The test weight and the measured fuel economy of this vehicle are circled. These figures are not indi- cative of performance during highway driving. Vehicle Test Range of Average Fuel Costs Weight (Ibs. ) MPG M'PG (10,000 nif. & 40~£/qal . ) 2,000 22-29 24 $165 2,250 12-25 21.5 $135 2,500 2,950 3,000/3100/ 3,500 4,000 4,500 5,000 17-22.5 10.5-24.5 9-20 10.5-20 6.5-19 7.5-14 7-11 18.5 17.5 15.5/777 13.5 10.5 9.5 9 $215 $230 $265/"2W $295 $380 $420 $445 5,500 7-10.5 8.5 $500 The actual fuel economy of this vehicle will depend on factors such as individual driving habits, the maintenance condition of ihe vehicle, and the optional equipment choser- Additional fuel economy information is available from your dealer an ' frcr the U.S. Environmental Protection Agency, Washington, D.f. 19 ------- candidate prototype which is subjected to stringent emission and performance tests. If the prototype passes the initial tests, EPA may purchase additional prototype cars for testing. Up to 500 vehicles may be purchased for further evaluation and limited fleet use. The program began in January 1971. Approximately 20 proposals were received, of which seven were accepted for further study. Three remain in the program, and only one prototype has been tested. This vehicle (powered by an internal combustion engine with catalytic exhaust treatment and exhaust gas recirculation) has often met the 1976 emission standards during testing but its durability has not been acceptable. Low-Emission Vehicle Purchase Program Section 212 of the Clean Air Act provides for the creation of a Low-Emission Vehicle Certification Board. If EPA determines a vehicle has emissions substantially lower than existing standards, the Board has the responsi- bility of certifying whether the vehicle meets specifica- tion for purchase by the Federal Government. Certified vehicles may be purchased for use in Government fleets at premiums of up to 50 percent over prices normally paid for equivalent vehicles (100 percent if the vehicle is a EPA has proposed that advanced technology or production techniques be required for a vehicle to qualify as a "Low-Emission Vehicle." 20 ------- inherently low polluting). To date/ one group of battery- powered heavy-duty vehicles covered by a single applica- tion have been determined to be low-emission vehicles, but in September 1973 the Board rejected vehicles covered by the application as unsuitable for use by the Federal Government/ because their maximum cruising speed was too slow. In addition, one application for an electric bus has been completed, and two other notices of intent to apply have been filed/ both for electric-powered vehicles. MOBILE SOURCE RESEARCH AND DEVELOPMENT Alternative Automotive Power Systems Program EPA's program to develop alternative automotive power systems has concentrated on the three most promising systems: the gas turbine, the Rankine cycle, and the stratified charge engines. Gas turbine designs under development have met the statutory 1975 standards, and demonstration of an improved gas turbine engine for passenger cars meeting statutory 1976 emission standards is projected for 1975. Major problems with the Rankine cycle (high-emission levels, bulky components, valving complexity) have now been solved, and plans call for developing and demonstrating a prototype in 1974. The stratified charge engine has shown the most promising results to date. Stratified charge engines with 21 ------- oxidation catalysts and exhaust gas recirculation have demonstrated emission levels well below statutory 1976 standards at favorable fuel costs. Significant problems with the durability of engine and vehicle systems remain. Research and Development on Aircraft Emissions EPA has promulgated regulations to control emissions of CO, HC, NO , and smoke from both commercial and general J^ aviation aircraft. In the development of these regulations, extensive programs were conducted to determine the impact of aircraft emissions on air quality, the level of emissions from present aircraft, and the technological feasibility of controlling aircraft emissions. Present aircraft emission research efforts are concentrated in three areas: o analysis of the feasibility of modification of aircraft ground operation procedures for emission reduction o refinement of emission measurement procedures o assessment of progress in development of low- emission aircraft engines. Efforts will continue in these areas. In addition, projects may be initiated to develop emission control technology for particular aircraft types. Other Government agencies have programs involving various aspects of the aircraft emissions problem. Maior programs include the Department of Transportation's Climatic Impact Assessment Program designed to determine 22 ------- the potential impact of high-altitude supersonic flight, NASA1s Clean Combustor Program designed to develop low- emission combustion systems for jumbo jet engines, and the Air Force's program to develop low-emission engines and afterburning measurement procedures. These and other projects form the nucleus of the Government's aircraft emission control program. 23 ------- III. THE DEVELOPMENT OF AIR QUALITY CRITERIA AND RECOMMENDED EMISSION CONTROL REQUIREMENTS NATIONAL AMBIENT AIR QUALITY STANDARDS (NAAQS) As a result of EPA's continuing review of the criteria used in setting ambient air quality standards, the annual secondary ambient air quality standard for sulfur dioxides (SO2) was revoked. Secondary standards are set at a level intended to protect against welfare effects. The annual secondary standard was revoked because new scientific data suggest that vegetation is damaged from high, short-term concentrations of SO2 during the growing season, rather than continuous exposures to lower levels. The other secondary SO2 standard, which specified a maximum 3-hour concentration, remains in effect. In June, EPA published Effects of Sulfur Oxide in the Atmosphere on Vegetation. This document revised Chapter 5 and portions of Chapter 10, of the Air Quality Criteria for Sulfur Oxides document. EPA is continuously working on improving the basis for existing standards, developing the basis for new ones, and reviewing the criteria and control techniques documents. 3 U.S. Environmental Protection Agency, Effects of Sulfur Oxide in the Atmosphere on Vegetation;Revised Chapter 5 for Air Quality Criteria for Sulfur Oxides National Environmental Research Center/ Research Triangle Park, N.C. 27711 24 ------- NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS (NESHAPs) On April 6, National Emission Standards for Hazardous Air Pollutants were promulgated for asbestos, beryllium, and mercury (see Table 6). These are the first three substances to be controlled under Section 112 of the Clean Air Act. As required by Section 112(b)(2) of the Clean Air Act/ the Administrator has issued information on pollution control techniques for asbestos, beryllium, and mercury. EPA is currently determining the optimum statutory and regulatory procedures for controlling several other pollutants. The Act provides several control mechanisms: National Ambient Air Quality Standards (Sec. 109); the non-criteria pollutant clause (Sec. lll(d)) of New Source Performance Standards (Sec. Ill); the National Emission Standards for Hazardous Air Pollutants (Sec. 112); and the regulation of fuels and fuel additives (Sec. 210). NEW SOURCE PERFORMANCE STANDARDS (NSPS) On June 5, 1973, EPA proposed New Source Performance Standards for asphalt concrete plants, petroleum refin- eries, petroleum storage tanks, secondary lead smelters, secondary brass and bronze ingot production plants, iron and steel plants (basic oxygen furnaces)/ and municipal 25 ------- Table 6 Sources Regulated by National Emission Standards for Hazardous Air Pollutants POLLUTANT HEALTH EFFECT Asbestos to Beryllium Mercury Bronchial cancer Cancers of membranes, lining of chest, and abdomen Acute and chronic lethal inhalation effects Skin and eye effects Central nervous system injury Kidney damage SOURCES REGULATED Roadway surfacing when asbestos tailings are used, building demolition, asbestos mills, selected manufacturing operations, and spray-on asbestos materials Extraction plants, foundries, ceramic manufacturing plants, machine shops, rocket testing facilities and dis- posal of beryllium containing wastes Ore processing for mercury recovery, plants using mercury chlor-alkali cells to produce chlorine gas and alkali metal hydroxide ------- sewage treatment plant incinerators. While the seven proposed standards are primarily for new plants, they also apply to an existing plant which is modified in such a manner as to increase its emissions. Final standards are expected late in 1973. Table 7 summarizes these standards. On October 15, 1973, EPA promulgated final regulations relating to periods of start up, shutdown, and malfunction of sources subject to NSPS. These regulations clarify the compliance status of sources during the specified periods. The regulations make it clear that compliance with existing new source standards, other than for opacity of emissions, is determined through performance tests conducted under representative operating conditions. These tests are conducted within 60 days after a new plant achieves its maximum production rate, but not later than 180 days after start up. Subsequent tests may be made at any time. Existing opacity standards, pertaining to visual observations of emissions, would not be applied during periods of start up, shutdown, or malfunction. However, the owner or operator would have to show that any violations of the opacity standard occurred only during start up, shutdown, or malfunction. Under the regulations, plant operators would be required to use maintenance and operating procedures designed to minimize any excess emissions during start up, shutdown or malfunction. Owners and operators would also 27 ------- Table 7 to 00 NEW SOURCE PERFORMANCE STANDARDS PROPOSED IN 1973 -/ industry Percentage Reduction of uncontrolled Emissions Particulates Carbon Monoxide Hydro- Carbons Sulfur Dioxide Asphalt concrete plants Petroleum refineries 93 99.5 Petroleum storage tanks 80 Secondary lead smelters Secondary brass and bronze ingot production plants Iron and steel plants (basic oxygen furnace) Sewage treatment plant incinerators ja/ First 10 months only b/ The input quantity of hydrogen sulfide is regulated in order to control sulfur dioxide emissions. 99.7 80 97 99 96.6-99.6 ------- have to file a written report for each calendar quarter covering those time periods when emissions are known or estimated to have exceeded the standards. HEALTH EFFECTS RESEARCH The Community Health Effects Surveillance Studies (CHESS) program was initiated to provide data relating human health effects to long and short-term exposure of population subgroups to SO , respirable particulates, J^ NO / CO, and photochemical oxidants. The CHESS Studies X have demonstrated the benefits from improved air quality with respect to the chronic respiratory disease experience of subjects who have moved to communities having cleaner air. Also, the studies have shown that children living for 3 or more years in communities having high levels of air pollution have more acute respiratory disease episodes than recent immigrants to the community. Data obtained from the CHESS program indicate that adverse health effects are consistently associated with exposure to suspended sulfates, indeed, more so than to SO2 or total suspended particulates. This information has initiated further study in the transport processes and control techniques for suspended sulfates. Studies were initiated to evaluate potential health effects of fuel and fuel additive emissions from internal combustion engines. As a result of this work it has been determined that the physiological availability of lead compounds from street dust is similar to that of other lead compounds. 29 ------- IV. THE STATUS OF ENFORCEMENT ACTIONS TAKEN PURSUANT TO THIS ACT Significant enforcement actions were taken by EPA under several sections of the Clean Air Act during the past year. These included: Section 113 notices of violation and orders under Title I. Inspections, investigations and referrals for prosecution under Title II with respect to certification, warranties, recalls, tampering with emission control systems, and importation of vehicles that do not meet emission standards. STATIONARY SOURCE ENFORCEMENT ACTIONS EPA air enforcement activities concerning stationary sources were initiated following the May 31, 1972, approval of most portions of State plans to meet the National Ambient Air Quality Standards. Since then, enforcement activities have concentrated on: o Establishing reasonable compliance schedules for all major sources o Developing a source surveillance program to determine the status of compliance o Keeping major sources in compliance or on compliance schedules. Enforcement of State Implementation Plan Regulations During the first ten months of 1973, enforcement actions have been initiated against approximately 66 30 ------- facilities. This is a significant increase from the six actions taken during 1972. These actions represent a supplement to State enforcement activities. In some cases these actions were taken to establish reasonable compliance schedules. In other cases, the actions were designed to achieve compliance with previously established schedules. These actions include notices of violation, abatement orders, and civil/criminal proceedings and are summarized in the Appendix. Some 600 EPA investiga- tions were in progress in the last quarter of 1973. Most actions taken were against flagrant violators and were initiated because of State failure or inability to act; these actions were prompted by citizen complaint, or through routine EPA investigations. As various requirements of State Implementation Plans become effective through July 1975, enforce- ment activity related to stationary sources is expected to increase substantially. State Implementation Plan Compliance Schedules The key to enforcement of stationary source regula- tions is the establishment of meaningful compliance schedules. A compliance schedule sets forth increments of progress which a source must take toward final compliance. The objective is to ensure that action is not postponed until it is too late to meet the compliance date. All sources subject to regulations with final 31 ------- compliance dates after January 31, 1974, are required to be covered by an enforceable compliance schedule involving increments of progress. Development of the schedules is primarily a State responsibility. However, many States did not fully satisfy these compliance schedule requirements and EPA has had to promulgate schedules affecting approximately 3500 facilities. In most cases where EPA has had to promulgate compliance schedules,it has promulgated categorical schedules applying to all sources in a given source category subject to a given regulation. An additional 10,000 facilities need to be placed on schedules. Schedules for about 2,540 facilities have been submitted by the States and an additional 3,000 facilities are expected to be handled by the States. The remainder of the problem will need to be resolved by EPA by July 1974. Enforcement of National Emission Standards for Hazardous Air Pollutants National emission standards for mercury, beryllium, and asbestos were promulgated by EPA on April 6, 1973. As mandated by the Clean Air Act, EPA completed issuance of waivers of compliance for affected sources making request. Some 600 facilities are subject to the regulations. About 413 of them are presently in compliance; the remainder are scheduled to be in 32 ------- compliance by April 6, 1975. In addition to these facilities, all operations which involve spraying asbestos materials (containing greater than 1 percent asbestos) and demolition operations are subject to the regulations. EPA has initiated two enforcement actions to date against demolition contractors. MOBILE SOURCE ENFORCEMENT ACTIONS EPA's enforcement activity in the mobile source area has increased greatly this year. Table 8 summarizes the mobile source enforcement actions taken by EPA this year. Certification Related Inspections/Investigations In the light-duty vehicle manufacturing area, EPA completed 24 inspections and initiated 18 investigations in the first 10 months of 1973. In the area of manufacturers compliance inspec- tions, EPA visited domestic, European, and Japanese manufacturing facilities. These inspection trips have resulted in several follow-up investigations of apparent irregularities and hence have served to ensure greater compliance with the purposes and intent of the Clean Air Act. The investigations all concerned possible violations by automobile manufacturers of the Act and regulations promulgated thereunder. Three of the investigations have thus far been referred to the Department of Justice and are awaiting final disposition. 33 ------- Table 8 Summary of Mobile Source Enforcement Actions Type of Source Inspections/ Investigations' Adminis- trative Orders Referrals to the Dept. of Justice New Sources Automotive Manufacturers In-Use Sources Recall Tampering Imports Warranties 24 Inspections 18 Investigations 23 Investigations 1 28 Investigations 0 12 Investigations 212 1 Investigation 0 0 2 1 0 a Inspections are scheduled, detailed inspections of vehicle manufacturers (or importers) records, documents, and procedures supporting application for certification. Investigations are searches of records and documents and interrogation of individuals to determine whether violations of the Clean Air Act and applicable regulations have occurred. 34 ------- On Feb. 2, EPA referred to the Department of Justice a case involving the Chevrolet Division of General Motors. The case involved production vehicle weights which differed materially from the weights reported for certification test vehicles. General Motors was required by a Feb. 15, 1973, letter from EPA to recall 2,290 Chevrolets. A second investigation involved the conflict in testimony between Chrysler Corp. and Engelhard Industries Division representatives during the public hearings on applications for suspension of the 1975 motor vehicle emission standards. The case was referred to the Department of Justice on June 12, 1973. The final outcome is still pending. The third investigation referred to the Department of Justice during the first 10 months of 1973 concerned the failure to report the existence of and the use of possible defeat devices by Volkswagen on a substantial number of 1973 model year vehicles. The case was referred on July 17 to the Department of Justice for appropriate legal action. In addition, the Department of Justice finalized on February 13, 1973, the Ford case which EPA had referred to them in September 1972. Ford Motor was fined $7 million for illegal activity with respect to its 1973 certification vehicles. 35 ------- Affirmative enforcement action was also taken with regard to devices which manufacturers were in- stalling on new vehicles which would, in their opera- tion, defeat the effectiveness of emission control systems under conditions not experienced during EPA1s certification testing. In December 1972, EPA notified six manufacturers that certain devices had to be removed by Feb. 15 or March 15, 1973, depending upon the complexity of the required change. A hearing was held in January to discuss the classification of the devices and the deadline dates for removal. On Feb. 19, EPA ruled that one specific device, a spark delay valve, had been improperly classified in the December ruling and therefore did not have to be removed. All remaining devices, however, were required to be removed by March 15. Warranty Related Enforcement Actions The written warranties of all 1972 and 1973 vehicle and engine manufacturers have been reviewed to see if they comply with the law. Where appropriate, vehicle manufacturers have been required to modify language in the warranties. One investigation was undertaken when a dealer refused to honor the emission warranty. The dealer relented before any formal action was necessary. 36 ------- Recall/Surveillance and Related Enforcement Actions Since January 1973, 23 investigations of potential recall situations have been initiated by EPA. As of this time, EPA has ordered one recall; this involved the 2,290 vehicles manufactured by General Motor's Chevrolet Division. In addition, several other important projects are currently underway. The 1972 In-Use Compliance Testing Program is almost complete. Under this program 3,000 1972 model year vehicles from 24 vehicle classes were tested to determine whether all classes comply with emission standards. A surveillance program is being developed to augment the In-Use Compliance Testing Program. The surveillance program will obtain data from fleet owners, automobile clubs, private diagnostic centers and State inspection/emission programs which will indicate emission performance of vehicles in use and serve to identify potential recall candidates. As more States undertake emissions testing programs/ they will be incorporated into this surveillance program. Tamperinq-Related Enforcement Actions EPA initiated investigations of 28 reported in- stances of tampering by dealers or manufacturers during the first 10 months of 1973. Thirteen of these investigations have been concluded. Two cases have been referred to the Department of Justice for 37 ------- appropriate legal action. One has already resulted in a suit being filed against the Haney Chevrolet Corporation of Orlando, Florida. Import-Related Enforcement Actions Appropriate steps have been taken to advise the general public of the import restrictions concerning non-conforming vehicles, and working relations have been established with U.S. Customs at all major ports. A centralized EPA-Customs import monitoring system has resulted in 212 administrative orders directing: the modification of 180 vehicles, exportation of 26 vehicles, and the forfeiture of Customs bonds for 6 vehicles which did not conform to emission standards when imported. In addition, twelve investigations of apparent violations of regulations have been conducted and the first referral of a case of illegal importation to the Department of Justice occurred in July 1973. ENFORCEMENT OF SECTION 306 - FEDERAL PROCUREMENT On June 21, EPA proposed regulations that would make air polluters ineligible for certain contracts, grants, or loans from the Federal Government. The regulation is to be effective July 1, 1974. It covers prime as well as sublevels of contractors grantees, and borrowers. With assistance from the States, EPA will compile a list of violating facilities for 38 ------- circulation among other Federal agencies. No facility would be listed until EPA found adequate evidence of a violation and until the facility's representatives and legal counsel had the opportunity to consult with EPA. 39 ------- V. THE STATUS OF STATE STANDARDS SETTING, INCLUDING SUCH PLANS FOR IMPLEMENTATION AS HAVE BEEN DEVELOPED States were required to submit to EPA by Jan. 31, 1972, a State Implementation Plan (SIP) for attainment of National Ambient Air Quality Standards for five criteria pollutants—sulfur dioxide, particulate matter, carbon monoxide, photochemical oxidants, and nitrogen dioxide. A priority classification system was established to categorize the Nation's 247 Air Quality Control Regions (AQCRs) according to the severity of their air pollution problem. The classifications were based on measured ambient air concentrations (when they were known) or on estimated air quality in the area of maximum pollutant concentration. The SIP requirements vary according to the priority classification so that the time and resources to be expended in both developing and carrying out the plan are commensurate with the air pollution problem. AQCRs are classified for each of the six criteria pollutants as follows: 40 ------- Priority I: ambient concentrations significantly above primary standards. Priority la: ambient concentrations significantly above primary standards due to emissions from a single point source. Priority II: ambient concentrations significantly above secondard standards. Priority III: ambient concentrations below secondary standards. Table 9 summarizes the AQCR priority classifications for the various pollutants. Table 9 Priority Classifications of Air Quality Control Regions Priority Priority Priority Priority Pollutant I Ia II III Particulate Matter Sulfur dioxide Carbon monoxide Nitrogen dioxide Oxidant/hydrocarbon 108 39 29 4 54 11 21 -- — -- 71 41 — - — -- 57 146 218a 243a 193 a Assuming reclassification is promulgated as proposed. See Chapter V. 41 ------- ISSUES AFFECTING DEVELOPMENT AND IMPLEMENTATION OF STATE IMPLEMENTATION PLANS Revocation of Annual Secondary Sulfur Dioxide (SO?) Standards On Sept. 14, 1973, EPA revoked the annual secondary SO2 standard of 60 micrograms per cubic meter of air. New scientific data suggested that vegetation damage arises from high short-term concentrations of S02 rather than from continuous exposure to lower levels. EPA concluded that the existing SO_ criteria document could not support the secondary annual standard. The primary SO2 standards and the short-term secondary SO,j standard remain in effacu. SlPs with approved 803 conc.ro! regulations remain in effect. Reclassification of AQCRs with respect to NO-5 On June 5, 1973, EPA, based on new ambient air quality data, proposed in the Federal Register to reclassify 43 of the 47 Priority I AQCRs with respect to NO^ Priority III. Two of the four remaining Priority I AQCRs need further evaluation. EPA also indicated that Denver, a Priority III AQCR, may have to be reclassified Priority I. These reclassifications affect the control strategies that will be required in the reclassified AQCRs. 42 ------- Prevention of Significant Deterioration of Air Quality On May 30, 1972, as the result of a suit filed by the Sierra Club, EPA was ordered by the District Court of the District of Columbia to disapprove all SIPs which do "not prevent significant deterioration of air quality" in currently clean areas and to promulgate new regulations which would prevent significant deterioration. The District Court order was appealed to the Court of Appeals where it was affirmed, and subsequently to the Supreme Court, where it was affirmed by a tie vote. (June, 1973.) As a result of the initial court action, all SIPs were disapproved on Nov. 9, 1972, to the extent that they did not explicitly "prevent significant deterioration." Four alternative sets of regulations to prevent significant deterioration of air quality were proposed in the Federal Register of July 16, 1973. EPA is soliciting widespread public participation in the rule- making activity because, despite the extensive litigation, there is no guidance available regarding what level of deterioration is significant," nor what procedures should be implemented to prevent that level of deterior- ation from occurring. To this end, public hearings on the significant deterioration issue were held and a 90-day period for public comment was established. 43 ------- Indirect Sources/Maintenance of Standards In response to a court order, EPA developed and promulgated regulations designed to ensure continuing maintenance of the National Ambient Air guality Standards. These regulations establish two new requirements related to implementation of the Clean Air Act: 1. Indirect Sources—State or local agencies must set up procedures to assess the air quality impact of new facilities, such as shopping centers and sports arenas, which could generate significant auto traffic, i.e., indirect sources. This requirement supplements the existing requirement to assess the air quality impact of pollutants emitted directly from new facilities. 2. Maintenance of Standards—States must identify areas where projected growth and development could result in violation of the national standards during the next ten years, and they must submit an analysis of such potential problems and plans for dealing with them. The analysis must deal with all significant air quality implications of growth and development, including addi- tional air pollution from new commercial, industrial, and residential development, and from increased demand for electricity and heat, from motor vehicle traffic, and from production of solid waste. 44 ------- States were required to identify potential problem areas within nine months and to submit their problem analyses and SIP revisions for maintenance of standards within 24 months. However, by court order they were only given until August 15, 1973, to submit their SIP revisions for indirect sources. To date, only eight States have submitted their SIP revisions for indirect sources to EPA. As required by the Clean Air Act, EPA will promulgate regulations for those States that do not submit their own regulations, or whose submittals are disapproved. EPA's regulation will be withdrawn as acceptable State regulations are received. Clean Fuels Shortage Because of possible shortages of clean fuels (low- sulfur fuels) and flue gas desulfurization equipment, EPA has developed a clean fuels policy to encourage the States to: o set attainment of the secondary SO2 standards at a reasonable date but later than the attainment of primary standards; and o revise their control regulations to the degree necessary to meet standards without excessive control requirements. The shortage of low-sulfur coal is most severe in coal- burning utilities in EPA Regions III, IV, and V, where 45 ------- most of the Nation's coal is burned. Progress is being made in the implementation of this policy. In order to overcome any shortages of clean fuels during the winter of 1973-74, EPA has established expedited procedures for the processing of requests for variances (for the use of high-sulfur content fuels) from the States. The variances are considered SIP revisions, therefore requiring approval by the Administrator of EPA. The expedited procedures are designed to assure realistic action on the requests, while protecting the public health and welfare. Extensions for Developing and Implementing SI?s The Clean Air Act provides for extensions of up to 2 years beyond the 1975 goal for attainment of primary National Ambient Air Quality Standards in those AQCRs where needed technology or other alternatives either are not available or will not be available soon enough to attain the primary standards. At present, nine AQCRs in seven States have been granted extensions for attain- ment of primary standards, primarily for SO2 emissions from copper smelters. In six of these AQCRs, EPA is required to promulgate regulations, and an extension was provided as part of EPA's control strategy. It is likely that additional extensions will be provided as a part of the transportation control plans. These plans were discussed in detail in Chapter II. 46 ------- The Clean Air Act also provides for 18-month extensions for submitting plans for attaining secondary standards. On May 31, 1972, EPA granted 18-month extensions to 19 States involving 31 AQCRs to prepare control strategies for the criteria pollutants for which secondary standards have been set, i.e., particulate matter and SO,,. Thirteen States were required to submit particulate matter control plans by July 31, 1973. Because of the announcement on Kay 12, 1973, that SO2 secondary standards might be revised, States now have until Jan. 30, 1974, to submit their SO2 control strategies. The Clean Air Act requires that secondary ambient air quality standards be met within a "reasonable time." EPA has defined reasonable time as the time required to design, fabricate and install reasonably available control technology. Thus, in developing their control strategies for meeting secondary standards, States can postpone the application of control technology only in those cases where the control strategy would have a severe adverse economic or social impact. Supplementary Control Systems EPA proposed regulations on Sept. 14, 1973, for the use of Supplementary Control Systems (SCS) and requested public comment. SCS is a temporary measure applicable only to isolated smelters and coal-fired power plants, 47 ------- where the sole alternatives are permanent curtailment of production, closing of the plants, or delays in attain- ment of the standards. The essence of SCS is to allow the pollution source, subject to certain restraints, to cut back or modify its operations as necessary to permit adequate dispersion of air pollutants. Uncertainty as to whether EPA would allow the use of SCS has affected promulgation of final regulations for copper smelters. Promulgation of the SCS proposal will allow EPA to complete the development of control strategies to achieve the secondary standards. Public Comments on Plan Revisions As a result of a decision by the Sixth Circuit Court of Appeals, EPA will provide an opportunity for public comments prior to its approval of implementation plans or revisions thereof. Public hearings continue to be required during the State's development of the plan or revision. Fugitive Dust Fugitive dust—particulate matter from unpaved roads, agricultural lands, construction sites, and other similar sources—caused several western States to fail to demonstrate attainment of standards for particulate matter. Additional data have been collected and, initial results indicate that extreme control measures may be required in the affected areas to attain particulate matter standards. However, alternative 48 ------- solutions are expected. STATUS OF STATE IMPLEMENTATION PLAN APPROVALS, DISAPPROVALS, AND PROMULGATIONS Plans were submitted by all 55 jurisdictions—50 States plus the District of Columbia, Guam, American Samca, Puerto Rico, and the Virgin Islands. On May 21, 1972, EPA fully approved only 14 of the 55 plans. The 41 remaining plans were disapproved in part because of the lack of, or deficiency in, one or more regulatory portions of the plan (e.g., public access to emission data, or faulty emission regulations). In these cases, EPA was required to propose and promulgate substitute regulations. It is and has been EPA's policy to rescind its regulations when States enact adequate legislation or regulations. As shown in Table 10, there are currently 20 State plans with all regulatory portions approved. This summary includes EPA approval/disapproval proposals which have not yet been promulgated. It is anticipated that additional action may be necessary in some of these 20 States at a later date, depending on how these States respond to requirements involving 18-ir.onth extensions, maintenance of the national standards, and significant deterioration of air quality. 49 ------- Table 10 Status of State Implementation Plans (siPs)a Status Number of Stateg SIPs fully approved by EPA 15 SIPs with only non-regulatory sections disapproved by EPA (no EPA action required) 5 tilPs with sections proposed by EPA 19 EPA proposals finalized 11 EPA proposals incomplete (action p»ending on some sections) 8 SIPs with sections awaiting final internal EPA action before being proposed 16 Total Plans 55 Does not reflect plan disapprovals with respect to "significant deterioration"/ extensions/ or indirect sources/maintenance of standards. 50 ------- VI. THE EXTENT OF DEVELOPMENT AND EXPANSION OF AIR FOLLUTIOl! MONITORING SYSTEMS EPA is responsible for conducting an ambient air monitoring prograir. to: O Assess compliance with or progress made i toward meeting ambient air quality standards. o Activate emergency control procedures intended to prevent acute episodes of air pollution. o Determine pollution trends. o Develop a data base for assessment of pollutant effects; land use and trans- portation planning; study of pollutant interactions, patterns, and trends; evaluation of abatement strategies and enforcement of control regulations; and improving the reliability of diffusion models. EPA also has the responsibility for source monitoring to: o Develop and assess compliance with New Source Performance Standards and National Emission Standards for hazardous Air Pollutants. o Measure emission trends to assure attainment and maintenance of State Implementation Plan (SIP) emission limitations. 51 ------- Under the requirements of the SIP development process, the States were given the responsibility for establishing monitoring networks for accorr.plishing these objectives. EPA has given the States both technical and financial assistance in establishing the networks. A summary of the States' progress toward achieving the mini- mum required monitoring network size is shown in Table 11. The total number of required, proposed, and existing stations are summarized in Table 12. As this table shows, the total number of existing stations in ft given category, in some instances, exceeds the 1974 legal requirements. This is in spite of the fact that many individual AQCRs do not meet the minimum requirements. EPA has developed a data bank for storage and retrieval of both air quality and emission data. The air quality data bank contains information from over 4,000 monitors. The emission bank has information on nearly 70,000 point sources and 3,300 area sources throughout the country. Access to the data are through terminals located at Research Triangle Park, N. C. and in the 10 EPA Regional Offices. Changes to these data banks are made through quarterly and semi-annual reports. PROGRESS IN THE DEVELOPMENT OF MONITORING SYSTEMS Decentralization of Monitoring In 1972, EPA decided to decentralize the Federal National Air Surveillance Network (NASN) from Headquarters 52 ------- Table 11 Status of Air Quality Control Regions (AQCRs) with Respect to State Implementation Plan (SIP) Monitoring Requirements (September 1973)a Pollutant Total Suspended Particulates so2 CO Oxidants N02 Number of AQCRs Requiring Monitoring by SIPS 247 247 29 54 45 Number of AQCRs Meeting Minimum Require- ments of SIPs 152 110 6 5 0 Number of AQCRs Not Meeting Minimum Require- ments of SIPs 95 137 23 49 ' 45 a Based on 1972 data. b The standards reference measurement method is being re-evaluated. A new method and monitoring frequency will be named. Does not account for proposed reclassification. Table 12 Comparison of Numbers of Existing and Proposed Monitors with Number Required by SIPsa Number of Monitors Pollutant Existing Total Suspended Particulate- Tape Total Suspended Particu- late-Hi-Vol SO0 Bubbler SO 2- Continuous CO-Continuous Oxidants-Continuous 397 2,538 541 329 197 183 Required by SIP Regulat i ons 497 1,372 666 213 133 208 Proposed In SIPs 901 3,511 1,431 698 457 458 More monitors may exist than are required in some categories but the minimum requirements of the SIPs may not be met on an AQCR by AQCR basis because of the actual geographic distribution of the stations. (See Table '11) 53 ------- to the 10 EPA .Regional Offices.3 This involved the transfer of nearly 200 SO_ and NO- stations and 260 total suspended particulate (TSP) stations, with their related laboratory functions. Since many laboratories in the future will be doing sample analysis, instead of only one as in the past/ a comprehensive quality control program is being established to ensure that results from the different laboratories will be comparable. This program is being run by the National Environmental Research Center at Research Triangle Park, N. C. Technical assistance was given on proper laboratory procedures and operation of instruments to provide a smooth and orderly transfer of functions. Revised Monitoring Requirements and Guidelines Since last year, five issues emerged which affect the SIP control regulations and could have a significant impact on monitoring requirements: o Prevention of significant deterioration of air quality o Indirect sources/maintenance of air quality standards o Supplementary Control Systems o Revocation of secondary anrual SO2 standard o Transportation control plans a Some stations have been transferred to State control. 54 ------- These issues were defined in Chapter V. All of them nay either imply or require additional monitoring over that required when the original SIPs were submitted in 1972. A study is underway tc develop the rnost cost-effective strategy for implementing a monitoring network; the monitoring implications of the five issues enumerated above have been incorporated in the study. It is expected that this analysis will have two results. First, new monitoring requirements may be promulgated to ensure that all SIP goals are met. Second, guidelines for the establishment, and implementation of these networks will be developed and distributed to the appropriate agencies. Revised regulations, if any, should be promulgated during 1974. The probable changes in monitoring are difficult to predict since several of the issues (prevention of significant deterioration of air quality, for example) have not been resolved. Status of New Monitoring Methods Several candidate methods are now being evaluated in order that the reference method for NO2 can be replaced. A new method will be promulgated as socn as possible. The NO2 air quality standard has not been affected by the change. On October 12, 1973, EPA published in the Federal jteqi.ster a notice of proposed rule making for determining 55 ------- equivalence cf ambient air monitoring irethods. When finalized, the proposal will establish requirements and procedures applicable to determinations as to whether methods for sampling and analyzing the cinbient air may be designated "equivalent" to the established. "re fe re nee me thod s." In the area of source measurements, a number of test procedures were promulgated along with the Mew Source Performance Standards and the National Emission Standards for Hazardous Air Pollutants. Quality Control An EPA-wide quality control strategy was adopted in early 1973. The purpose of the program is to ensure that all data collected by EPA, contractors, or State and local agencies are valid. By using standardized procedures and following rigorous quality control practices, it will also be possible to better compare data collected by various agencies and make decisions regarding achievement, of standards, trends, and adequacy of control plans, with a greater degree of confidence than has been the case to date. 56 ------- TRENDS IN NATIONAL AMBIENT AIR QUALITY LEVELS Long-Term Trends in TSP, and S02 Levels NASN data collected for the past 12 years have been 4 examined for trends in ambient levels of TSP and SO2. The analysis shows that both TSP and SO2 concentrations at most center-city NASN sites have declined significantly over the 12-year period. In general, stations with the highest concentrations in the early 1960's have shown the greatest improvement. The average center-city TSP concentration has decreas-ed by approximately 20 percent, while SC,, concentrations have shown a much greater improvement, decreasing by approximately 50 percent. Figures 2 and 3 graphically illustrate this decline. These results are' preliminary and will be fvrther refined as State air quality information is included. These improvement.£. in ail quality have prinari.ly rt'Eulteci fix-Pi the incieased use of clearer-burring fuels in the residential, commercial, and industrial sectors of nest urban areas. Local and State air pollution regulations limiting the use of coal and high-sulfur fuels have resulted ir. increased use of low-sulfur 4 U.S. Environmental Protection Agency, National Air Quality Levels And Trends In Total Suspended Particulates And Sulfur Dioxide Determined By Data In The National Air Surveillance Network, Office cf Air Quality Planning and Standards, Research Triangle Park, N.C. April, 1973, 57 ------- FIGURE 2 COMPOSITE LEVELS OF TOTAL SUSPENDED PARTICULARS AT URBAN AND NONURBAN NASN STATIONS 200 150 100 PRIMARY STANDARD SECONDARY STANDARD 50 10 COMPOSITE AVERAGE 95 URBAN LOCATIONS . PRIMARY STANDARD i SECONDARY STANDARD COMPOSITE AVERAGE 18 NONURBAN LOCATION 60 61 62 63 64 65 66 67 68 69 70 71 72 YEARS RANGE OF URBAN GEOMETRIC MEANS J RANGE OF NONURBAN GEOMETRIC MEANS 58 ------- FIGURES COMPOSITE LEVELS OF SULFUR DIOXIDE AT 32 NASN STATIONS 200 150 CO 100 PRIMARY STANDARD 50 AVERAGE 64 65 66 67 68 69 70 71 72 YEARS r RANGE OF ARITHMETIC MEANS 59 ------- oil and natural gas as the primary sources of energy. Nationwide long-term trends in atmospheric levels of oxidants, CO, and NO2 are not yet identifiable. Air Quality in AQCRs In spite of the improvement in air quality at selected locations, air quality levels in many AQCRs still do not satisfy the requirements of the primary ambient air quality standards. In fact, as additional air quality data have been collected, EPA has found that some AQCRs originally assumed to be meeting standards may actually be violating them. The data are still under review. However, if this preliminary finding holds true, then these AQCRs will have to adopt control strategies that will result in airfcient air quality standards being met. In those States where the example region concept was used in SIP development, i.e., application of a plan designed for the AQCR with the worst air quality in all AQCRs, no new olan may be necessary. It is expected that existing regulations, and any new ones that- will be required, will result in attainment of primary ambient air quality standards in almost ell AQCRs by 1975. 60 ------- Tables 13 through 16 present the status of AQCRs with respect to TSF, SO-,, oxidants, and CO levels. As explained in Chapter V, AQCRs were classified according to estimated air quality when measurements were not- available. This fact, in combination with changes in actual air quality ever time explains why, for each of the criteria pollutants, some priority I AQCRs are not in violation ot the primary standards while some priority II or III AQCRs are in violation. 61 ------- TabJe 13 * STATUE OF AIR QUALITY, TOI'AI SUSPENDED FARTICULATES a/ 1972 10 Priority^ Classification I or IA II III TOTAL a/ As of Oct. Number of AQCRs 120 70 57 247 1973 b/ Federal Register. Vol. AQCRs One Quarter's Data From One Station 118 63 37 218 36, #158, p. 15488 Reporting Complete Annual Averacre 110 53 28 101 , Auct. 14. 1971 AQCRs Violating Either Primary Standard c/ 10? 22 14 138 c/ There is both an annual and a 24-hour primary standard ------- Table 14 STATUS OF AIR QUALITY, SULFUR DIOXIDE 1972 en Priority b/ r*l A GO i -Fi fri1~"i on I or la II III TOTAL Number . of 60 41 146 247 AQCRs One Quarter's Data From One Station 52 31 79 162 Rt» nor ting Complete Annual Average 41 27 55 123 AQCRs Violating Either Primary. Standard £/ 13 4 2 19 a/ As of Oct. 1973 b/ Federal Register. Vol. 36, #158, p. 15488, Aug. 14, 1971 c/ There is both an annual and a 24-hour primary standard ------- Table 15 STATUS OF AIR QUALITY, OXIDANTS a/ 1972 Priority b/ Classification I III TOTAL Number of AQCRs 55 192 247 AQCRs Reporting One Quarter ' s Data From One Station 31 7 38 AQCRs Violating the Primary Standard 25 3 28 a/ As of Oct. 1973 b/ Federal Register, Vol. 36, #158, p. 15488, Aug. 14, 1971 64 ------- Table 16 STATUS OF AIR QUALITY, CARBON MONOXIDE a/ 1972 Priority ID/ Classification I III TOTAL Number of AQCRs 30 217 247 AQCRs Reporting One Quarter ' s Data From One Station 22 26 48 AQCRs violating the Primary Standard 21 21 42 a/ As of Oct. 1973 b/ Federal Register. Vol. 36, #158, p. 15488, Aug. 14, 1971 65 ------- VII. THE DEVELOPMENT OP NEW AND IMPROVED AIR POLLUTION CONTROL TECHNIQUES The development and demonstration of stationary source air pollution control technology is one of EPA's largest tasks. Approximately $27.2 million were spent on this activity in FY 73, primarily for on-going programs to demonstrate control methods for sulfur and nitrogen oxides, particulates, and other pollutants such as mercury, beryllium and asbestos. The purposes of these activities are threefold: o To describe at least one method of control for each major source of pollution. o To provide a technical base for EPA enforcement activities. o To establish technical and economic data to support New Source Performance Standards (NSPS). Achieving these goals hinges on development and demonstration of flue gas cleaning systems, production of clean fuels, and modification of industrial processes. Stationary Source Air Pollution Control Technology-Sulfur Oxides The emphasis of the SO control program has been on H demonstrating four methods of flue gas cleaning which are applicable to new and existing coal-and oil-fired utility and industrial combustion sources. The four control systems are: 66 ------- o A wet lime/limestone scrubber at the TVA Shawnee Steam Plant, Paducah, Ky. o A magnesium-oxide scrubber at Boston Edison's oil-fired Mystic Station, Everett, Mass. o A catalytic-oxidation scrubber at Illinois Power System's Wood River Station, 111. o A sodium-ion scrubber (Wellman-Power Gas), at Northern Indiana Public Service Co., Gary/ Ind. On the basis of this and other work EPA has concluded that demonstratable control technology for utility SO A. emissions exists. A second technique used to reduce the emissions of SO is to actually remove sulfur from the fuel prior to J^ combustion. EPA is supporting research in this field, particularly in coal-cleaning methods and fuel oil desulfurization. Feasibility studies have been completed for several fuel-cleaning processes, and large scale demonstrations are being planned. A third technique in the SO control strategy is X. combustion process modification, that is the modification or control of the actual combustion process to reduce not only the production of SO but also NO and particulates 3C X Several processes are under consideration including fluidized-bed combustion and submerged combustion. These technologies are primarily for the control of emissions from combustion sources. Industrial sources 67 ------- such as iron foundries, coking plants, nonferrous smelters, and petroleum refineries are also major sources of SO emissions; control technology for these sources X is under development and will be the focus of EPA efforts in the future. Particulates The control technology for large particulates is well developed. EPA efforts have been directed primarily toward obtaining operating and economic data to evaluate electrostatic precipitators, filter systems, and scrubbers. Of great concern is the control of fine particulate, that fraction of the particulate emission smaller than 3 micrometers. These small particles remain suspended in the atmosphere and are easily respirable and absorbable into the body. Fine particulates may contain toxic trace metals and sulfates, each of which has considerable impact on health. Control technology for fine particulates is seriously deficient. Current EPA efforts center on developing adequate devices and on field testing as well as development of control methods. EPA is working both to improve available collection devices and to identify and ultimately demonstrate novel devices. Nitrogen Oxides Combustion modification is the only demonstrated method for control of NO emissions from fossil fuel «•» burning. Tests of flue gas treatment techniques have 68 ------- shown little promise to date. Presently, the application of combustion technology will allow NO emissions from gas-and oil-fired utility boilers to be controlled to the NSPS that have been set for these fuel categories. EPA programs for combustion modification to control NO include: JC o Air/fuel mixture control (low excess air combustion) o Staged combustion o Recirculation of flue gas o Boiler component design Other Pollutants National Emissions Standards for Hazardous Air Pollutants (NESHAPs) have been set for mercury, asbestos, and beryllium. Other materials which are considered pollutants but for which standards have not been set include trace metals, polycyclic organic matter (POM) and miscellaneous hydrocarbons, fluorides, odors, etc. In general, control technology research efforts are necessary for these materials. One current goal of the Air Technology Program is to characterize the major sources and the specific chemical and physical properties of trace metal emissions. This is a necessary first phase in the development of control systems. 69 ------- Several tasks are being funded for field testing coal-fired utility and industrial boilers, and for limited source characterization of gas- and oil-fired units. A field testing program is also planned for residential and commercial heating units. In addition, control technology development is planned for certain chemical processing sources. These include the zinc compounds industry, a significant source of metallic particulates, and the glass industry, which emits large quantities of arsenic, fluorides, and fine particulates. Efforts are underway to establish control techniques both for open sources and for selected closed sources of asbestos. The key sources include mining, milling, and manufacturing sites; the latter source tends to be located predominately in urban areas and contributes substantially to human exposure to asbestos. The objective of the efforts is to develop and demonstrate control technology for handling, unloading, and disposal operations, in addition to demonstrating the operation of a specific methodology for controlling closed sources of asbestos in manufacturing operations. This work is undertaken to supplement control via NESHAPS, since their effective- ness is still unknown. 70 ------- In control of mercury, an effort is being under- taken to remove mercury from waste gases containing SO (such as those gases derived from combustion and JC nonferrous metallurgical sources) via a combined SO X and mercury control system. Because both of these substances come from combustion sources, it would be highly useful to have a single system that could effectively control both. Current methods of POM detection and analysis are generally complex, costly, and time-consuming. Also, it is unknown to what extent POM may actually be emitted as a gas which condenses to a particulate substance, rather than emitted as a particulate. There is, in addition, a problem in obtaining quantitative data on POM emissions, whether in particulate or gaseous form, In situ methods for measuring POM and determining its characteristics are required, as well as techniques for upgrading combustion processes to avoid POM formation. The air program will focus attention on these problems. EPA has begun to develop control systems through the pilot plant stage of development for the following sources—acrylonitrile plants, refinery crackers, asphalt roofing plants, and ethylene dichloride plants, 71 ------- VIII. THE DEVELOPMENT OF INSTRUMENTATION TO MONITOR EMISSIONS AND SIR QUALITY Methods for the quantitative detection of pollutants in air are essential to EPA's abatement and control program. Initially, methods are needed to determine the extent and causes of a pollution problem and in investigations of the health and welfare effects of the pollutants. When standards are promulgated, reference or compliance methods must also be promulgated, for determining achievement and maintenance of the standards. Furthermore, implementation plans call for determining ambient air quality levels and stationary and mobile source emission levels. For these applications, the methods and associated devices employed must be low cost, reliable, and capable of unattended operation or use by relatively untrained personnel. In the area of air quality measurements technology, the major problems relate to the reduction in cost to allow more economical deployment in monitoring networks and. to improve sensitivity for use in background locations. For source emissions, the major problem is that of the proper interfacing of instruments with the source so as to allow representative samples to reach the instrument. There is also the time-consuming and expensive problem of evaluation on all relevant sources, since interfering substances and conditions vary from source to source. Source emissions measurements technology is still in a developmental stage. 72 ------- EMISSIONS MONITORING DEVELOPMENTS Mobile Sources Under the Clean Air Act, standards have been established for emissions from automobiles. Specifically, measurements must be made to show that CO, NO , and HC X meet the standards established for the emissions from engines. As of the end of fiscal 1973, the methods for NO , and HC have been shown to be adequate, although JC the procedures for applying these methods have not been completely worked out. In the case of CO, there is still a question concerning the adequacy of sensitivity of present instrumentation for the very low emitting post- 1976 vehicles. Work is continuing on improvement of this instrumentation. Fiscal 1973 also saw the completion of other developments related to mobile sources. The development of an instrument for methane, CO, and CO« was completed. This instrument will be of value in investigating advanced design automotive engines. A prototype instrument for measuring odors from diesel engines and a device for the measurement of over 100 hydro- carbons were completed. The hydrocarbon device will allow EPA to determine which hydrocarbons are active in smog formation and thus require control. 73 ------- Stationary Sources In the area of stationary source measurements, validation of compliance methods for the first group of New Source Performance Standards was completed. Performance specifications for monitoring systems for SO,, NO , CO, HC, and visual opacity were established £* H and will be promulgated in the near future. Evaluation of commercially available instruments for hydrogen sulfide and total sulfur revealed several shortcomings and the need for further research and development. Finally, the designs were completed for interfacing measurement devices with sources. Evaluation of these designs are underway to determine whether modifications are needed. AMBIENT MONITORING DEVELOPMENTS An X-ray fluorescence instrument for determination of elements in particulate matter was developed. Once a representative sample is obtained, this instrument will determine a large number of elements in a short period of time, i.e., phosphorous, sulfur, copper, lead, and other heavy metals. A study of the mechanism of particulate formation has resulted in a "working concept" that assumes two basic categories of particulate matter, i.e., fine and coarse. A candidate method has been selected for use 74 ------- in evaluating this concept and instruments are now being constructed for testing this idea. An additional improvement in the measurement technology for particulate emissions from stationary sources has been development of a particle size classifier and a device for continuously monitoring particulate emissions (beta gauge). These devices are currently being field tested. QUALITY CONTROL EFFORTS The quality control effort required to provide valid data is now well underway. In fiscal 1973, guide- lines for developing quality assurance programs were completed and a first seminar for quality control program managers was conducted. Reference samples or calibration procedures were established and are available for SO2/ CO, NO2, ozone and particulate matter. Commercial sources are being identified as suppliers of the reference materials and calibration devices. In addition, EPA proposed guide- lines for establishing the equivalency of other methods to an EPA promulgated reference method for ambient air measurements. 75 ------- IX. STANDARDS SET OR UNDER CONSIDERATION PURSUANT TO TITLE II OF THIS ACT A number of emission standards have been set, and many regulations have been issued to support EPA's control program in the mobile source area. Table 17 lists the major emission standards and Table 18 briefly summarizes the major regulations acted upon during 1973 in the ir.obile source area. Table 18 MOBILE SOURCE REGULATIONS ACTED UPON BY EPA IN 1973 a/ Reduction of Lead in Fuels (Proposed) All Grades of leaded gasoline will be limited to: 2 grams of lead per gallon by 1975 1.7 grams of lead per gallon by 1976 1.5 grams of lead per gallon by 1977 1.25 grams of lead per gallon by 1978 Availability of Lead-Free Fuel (Final) Large gasoline retailers (over 200,000 gallons per year) will be required to offer lead-free gasoline after July I, 1974; lead-free gasoline is needed by catalyst-equipped cars. Nozzle restrictions will make it impossible to mistakenly use leaded fuel in a car requiring lead-free gasoline. Motor Vehicle Certification Inspections (Proposed) EPA is authorized access to: Facilities where processes related to certification are carried on. Production lines of foreign and domestic manufacturers to ensure essential similarities of production and test vehicles. a/ First 10 months only 76 ------- Table 17 Mobile Source Emission Standards Acted Upon by EPA in 1973* Percentaqe Emission Reduction^ Emission Source Effective Hydro- Date carbons Light-duty vehicles (except California) California Light— duty vehicles (all States) Light-duty trucks Turboprop and turbofan or turbojet ( < 8,000-lb, thrust) Jets newly manufactured of > 8,000-lb. thrust ^ Retrofit of pre-1979 jets >29,000-lb. thrust Turbine engines certified after 198Qf (> 8,000-lb. thrust) Piston engines (except radial engines*5) Auxiliary power units4* a First 10 months only b These are no longer being produced in significant c Maintenance at existing levels required d Units used to operate on- board power systems when engines are not operating e Model year f Excluding supersonic transports g Compared to uncontrolled levels 1975e 1975® 1976e 1975e 1/1/79 1/1/79 1/1/83 1/1/81 12/31/79 1/1/79 quantities propulsion 83 90 95 77 80 70 70 85 30 — c Carbon Monoxide 83 90 96 77 60 60 60 72 50 30 Nitrogen Oxides 11 43 43 11 20 50 50 50 c 50 ------- Servicing of Auto Emission Controls (Final) Warning systems (such as dashboard lights or buzzers) on 1975 and later model cars are required to alert drivers to malfunctions or to the need for maintenance if the vehicle's emission control systems are expected to require maintenance during the vehicle's useful life, defined as 50,000 miles. Low-Emission Vehicle Standards (Proposed) Advanced technology or production techniques are expected to be needed for a vehicle to quality as a "low-emission vehicle." Regulations on High-Altitude Vehicles (Proposed) New cars sold in substantial numbers in high- altitude areas will be required to pass special high-altitude certification tests. New car owner manuals will be required to contain information on engine adjustments necessary for proper functioning of emission control systems at high and low altitudes. 78 ------- X. THE STATUS OF STATE, INTERSTATE, AND LOCAL POLLUTION CONTROL PROGRAMS ESTABLISHED PURSUANT TO AND ASSISTED BY THIS ACT A single agency is designated to administer Air Quality Control Programs in each of the 50 States, the District of Columbia, Guam, Puerto Rico, the Virgin Islands, and American Samoa. In addition, approxi- mately 265 local agencies, concerned with air pollution control at the municipal level, work in coordination with the 55 State agencies. The State agencies are organized as follows: o 29 environmental agencies combining air, water and possibly other environmental protection programs, and in some cases exercising signifi- cant natural resources management. o 20 health agencies combining air pollution control functions (and possibly other environmental protection programs) with traditional medical health protection functions. o 6 air agencies specializing predominately in the control of air pollution. 79 ------- FEDERAL FINANCIAL ASSISTANCE TO AIR POLLUTION CONTROL AGENCIES EPA provides financial assistance to 54 State agencies (the single exception being American Samoa) and 176 local agencies. These 230 agencies represented approximately 95% of the total expenditures by all State and local air pollution control agencies in FY 1973. This assistance takes the form of grants for planning, developing, establishing/ improving or maintaining programs for the prevention and control of air pollution, supplemented by special contractual assistance for the conduct of specific Federally-required planning activities. Grants awarded in Fiscal Years 1972 and 1973, are summarized in Table 19. PROGRESS OF STATE AND LOCAL AIR POLLUTION CONTROL PROGRAMS Total expenditures for the support of air pollution control programs have grown at an average annual rate of approximately 30 percent, from $13 million in Fiscal Year 1965 to an estimated $113 million in Fiscal Year 1973. The percentage of these expenditures provided by Federal financial assistance has increased from approximately 31 percent in Fiscal Year 1965 to approximately 44 percent in Fiscal Year 1973. However, the portion of these expendi- 80 ------- Table 19 Summary of Grant Awards To State and Local Air Pollution Control Agencies State or Territory Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire FY 1972 Actual $ 527,324 69,775 207,049 208,527 3,690,260 796,270 1,335,796. 180b 225,000 957,742 630,218 96,445 81,687 2,423,520 826,034 559,243 335,761 187,981 175,000, b 987,000 794,385 1,613,520 366,641 459,499 717,574 184,681 231,929 245,702 185,409 a FY 1973d $ 714,400 139,600 377,000 201,800 3,761,300 817,300 1,355,800 193,300 334,100 1,045,600 626,500 175,400 108,200 2,987,800 778,900 645,300 596,300 656,600 350,000 192,000 1,365,800 1,312,900 1,999,700 661,200 419,500 1,145,900 266,600 247,100 247,100 185,400 81 ------- Table 19 (continued) FY 1972 a State or Territory Actual FY 1973 New Jersey $2,135,581 $2,262,700 New Mexico 706,440 482,500 New York 3,967,790 4,273,000 North Carolina 1,489,039 1,188,600 North Dakota 40,525 45,000 Ohio 1,841,153 2,414,900 Oklahoma 484,906 416,000 Oregon 486,828 553,700 Pennsylvania 2,080,700 2,545,500 Rhode Island 133,899 133,900 South Carolina . 111,783 430,300 South Dakota 32,025 32,000 Tennessee 703,614 927,200 Texas 2,603,299 2,923,300 Utah b 160,000 Vermont 224,426 154,400 Virginia 1,062,000 991,800 Washington 1,129,910 1,084,500 West Virginia 317,620 507,000 Wisconsin 965,448 840,400 Wyoming 64,439 68,100 American Samoa Guam 54,744 54,800 Puerto Rico 464,417 419,300 Virgin Islands 100,043 100,000 Total Grants $40,320,781 $46,827,300 Other Federal Financial Assistance0 1,808,000 3,636,800 $42,089,0"QO 50,463,100 The amounts shown for FY 1973 grant awards are preliminary. Actual funding also included carry-over from the previous fiscal years. Other Federal financial assistance includes special contract support for the continuing development and revision of SIPS and the equivalent value of temporary Federal employees assigned to control agencies as a supplement to their program grants. 82 ------- tures provided by State and local revenue sources has grown almost seven-fold during the same period, from $9 million in Fiscal Year 1965 to an estimated $63 million in Fiscal Year 1973. The increase in the number of employees of State and local control agencies is an indicator of the Nation1s growing capability to control air pollution. Table 20 shows that the number of on-board personnel has more than doubled in the last 4 years. Table 20 Personnel Emplbyed by State and Local Air Pollution Control Agencies Fiscal Year Aqencv Level State Local Total 1969 997 1,840 2,837 1971 1,537 2,628 4,165 1973 2,929 3.266 6,195 83 ------- Original manpower estimates contained in the SIPs indicated that a manpower level by FY 75 of about 8,500 would be necessary to accomplish clean air objectives. The trend indicated in Table 20 is encouraging; it is hoped that the original manpower estimates will be met. However, it should be noted that since this estimate was made additional requirements have been put on the States because of additional actions required on transportation controls implementation, prevention of significant degradation of air quality, and indirect sources/maintenance of standards. Accomplishments of the State programs have been reflected throughout this report in the sense of their activities in developing, implementing, and enforcing SIPs. 84 ------- XI. REPORTS AND RECOMMENDATIONS MADE BY THE PRESIDENT'S AIR QUALITY ADVISORY BOARD The President's Air Quality Advisory Board met in St. Louis, Mo., on March 27-30, 1973, to explore urban air pollution problems and to consider the tradeoffs involved in achieving environmental goals. The Board received comprehensive briefings from Federal and State officials, representatives of industry and environmental groups, and other knowledgeable and concerned individuals. In addition/ the Board conducted an on-site review of various aspects of urban air problems during a tour of St. Louis' industrial and central city areas. Individual conclusions and recommendations were formulated by members of the Board and submitted to the Administrator as part of the Board's report on its meet ing. 85 ------- APPENDIX Summary of EPA's Stationary Source Air Enforcement Actions May 1972 - October 1973 ------- SUttWRY OF EPA i\I < tNFORCEMENT ACTIONS MAY 1972 - uTOBER 1973 ~ COMPANY TYPE OF SOURCE, Allied Chemical Corporation Sulfuric Acid Plant Di-lrvtrva Po.vcr & Light Company Steam Generator City of Woonsocket Open Burning City of Newport Open Burning LOCATION layront, Delaware Region III Delaware City, Delaware Region III Moonsocket, Rhode Island Region I Newport. Rhode Island POLLUTION PROBLEM TYPE OF ACTION Secure compliance with Delawa-e 'totice ^violation 1s~ ..... -..-.s *._•__ cn~ .__.._«-^>»in ic ni»d on Mav 24. 19/J. SIP limiting S02 concentrations and mass emission rates. , on Hay 24, 1973. Order to comply issued on July 20, 1972. Secure compliance wtth Delawa.-e SIP requiring the use of fuel containing not in excess of 3.5X sulfur. Open burning 5«- municipal refuse disposal facility in violation of Rhode Island regulations. Notice of violation is- sued on March 6, 1972. Order to comply issued on April 17, 1972. Notice of violation is- sued on Feb. 7, 1973. Order Issued July 7, •973. I Secure compliance with Rhooe Island SIP prohibiting open burning at public refuse dis- posal site: P'.J prohibiting the enissio of hamful con- tairinants. Notice of violation is- sued Oct. 13. 1972. Order to comply issued r, Jan. 11, 1973. RESULTS OR STATUS Bimonthly progress reports have been submitted as of October 10, 1972. Information submitted to EPA on construction of an emission control facility to com- with the plan. A construction schedule with f progress has been established by EPA. At the conclusion of litigation instituted by Getty Oil Company for a court order restraining enforcement of the fuel sulfur content regulation the order to comply was upheld. (The interest of Getty Oil Cr' in this matter arises from a contractual arrangemeru, between Delmarva Power & Light Co. and Getty Oil Co. under which Getty provides Delmarva petroleum coke for fuel in exchange for electricity. Getty Oil Co. (Eastern Operations) vs. Ruckelshaus (342 F. Supp. 1006; 467 F. 2d. 349; cert. den.. U.S. , Jan. 15, 1973). Source is in compliance. _ - On March 7, 1973. a conference was held with repre- sentatives of the city, who agrees to cease all open burning of debris except that generated by HUD. Region I is presently attempting informally to assist HUD in the resolution of its disposal problems. The Newport refuse disposal site is under surveil- lance, and pursuant to Section 113, judicial pro- ceedings are authorized if further violations of the SIP occur. Presently in compliance. ------- COMPANY TYPE OF SOURCE City of Mlddletown Open Burning Texaco, Inc. American Barrel company Orum Reclamation curnace & Incinerator Northeast Utilities Service Steam Generator U.S. steel Corp. Gary Works and <'niversal Atlas Cement, Buffington Harbor Plant -"•teel Mill, Cement Pit. LOCATION POLLUTION PROBLEM Middletown, Rhode Island Region I Massachusetts Region I Massachusetts Region I Secure compliance with Rhode Is- land SIP prohibiting open bum- ing at public refuse disposal sites and prohibiting the emis- sion of harmful contaminants. Selling fuel with higher sulfur content than permitted under Mass, regulations. ._ I'PE OF ACTION Notice of violation is- sued Oi:t. 13, 1972. Conference held between EPA an.! Middletown of- fici<] Nov. 6, 1972. Notice of violation is- sued F. b. 1, 1973. Operation of drum reclamation furnace violating Mass, regu- lations regarding open burn- ing, visible emissions and general air pollution. In compliance presently, but order win be issued if future violations occur. issued On Feb. 12, 1973, pursuant to a Section 114 letter Texaco met with Region I personnel and provided Wlth respect to fuel availability and meeti"9 TeX3CO has «ased Us NOT ice of violation ?»- Mar. 1!,, 1973, adminis- trative order issued ' H_ 1973. I Massachusetts egion I ary, Ind. Region V Burning fuel with a higher sul- fur content than permitted under State regulations. Notice of violation is- sued M. r. 16, 1973. Operation of a steel mill with cement production facilities in violation of Indiana's regula- tions regarding visible emis- sions, combustion for indus*. -ia heating and process operation... Order 1973. In compliance. . . ssued June '2, n r A to to s sj; An °rder was issued requested U.S. District Court, -tay °f the order and declara- dfor^' &* counterclain,ed of the order (first increment D1strkt denied US. 0 * . ^Id hiring on the of declaratory judgment. the ------- CU:IPA;IY TYPE OF SOURCE Uabash Smelting Corp. Secondary aluminum plant H.N. Hartwell & Son, Inc. Union Petroleum Corp. Central Electric ; ower Cooperative Hercules, Inc. - "issouri Chemical Works Amax Lead Co. Primary Lead Smelter Asarco Primary Lead Smelter LOCATION Indiana Region V Massachusetts Region I Massachusetts Region I Jefferson City, Missouri Region VI i Louisiana Missouri Region VII Boss, Missouri Region VII Glover, Missouri Region VII POLLUTION PROBLEM Violation of Indiana regulations for visible emissions and pro- cess operations. Selling fuel with a higher sul- fur content than permitted under Mass, regulations. Selling fuel with a higher sul- fur content then permitted under Mass, regulations. Power company refu.ed tc submit information requested In 1-ec- Mon 114 letter. Operation 01 pl-,nt i i viola- tion of Missouri regulations regarding proc«sjs operations. Violation of Missouri S02 regulations. Violation of K's^ouri S02 regulations. TYPE OF A( Notice of viole ^r. 28, 1973 issued May 30, Notice of viol; sued March 16, Notice of viol sued March 16, Administrative issued May 2, Notice of vicl May 16, 1973. Issued Oct. 15 No;-.ce of viol ! Not' x of vlo1 sied July 2, AJministrativi 1 issued. tion is- Order 1973. RESULTS OR STATUS Presently in compliance with terms of the order. Presently in compliance. Presently in compliance. All the information required in the administrative order has been provided. Request for concurrence pending submission of further information from Region. Request withdrawn, source in compliance as of June 20, 1973. ------- 1 COMPANY ' TYPE OF SOURCE St. Joe Minerals Corp. Primary Lead Smelter Centropolis Crusher, Inc. City of Lawrence Open Burning So. Calif. Edison Kohave Power Pint. City of Bristol Open Burning Kaibab Ind. Wood waste burners Western Pine Ind. Wood waste burners I nr/LTTnw Herculaneum Missouri Region VII Kansas City, Mo. Region VII Lawrence, Mass. Region I Nevada Region IX Bristol, R.I. Region I Payson, Ariz. Region IX Snowflake, Ariz. Region IX . POLLUTION PROBLEM Violation of Missouri SO? regulations Refused to submit Information required in Section 114 letter. Open Burning -j TYPE OF ACT ION Notice of violation Is- sued June 2, 1973. Order issued on June 6 1973. Notice of violation is- sued June 6, 1973. L Violation of State visible emls- Notice of violation 1s- slon regulation and SO?, emissior si ed July 25, 1973: order limits. . i;sued. Open burning at municipal refuse disposal facility In violation of R.I. regulations. Violation of Arizona visible emission regulations. Violation of Arizona visible emission regulation. f Notice of violation i;sued April 26, 1973. Nrtice of violation issued July 24, "}>3. Administrative crd r issued Sept. 26 i973. Notice of violation issued July 24, 1973. t RESULTS OR STATUS Conference and order pending. All information required in the order has been provided. Conference held. Conference held August 14, 1973. Conference held. Issuance of order is pending. ------- COMPANY TYPE OF SOURCE '.•'estern Xtoulcilru Co., Inc. Wood waste burners Wilfret Brothers Realty Trust Incinerator Penn Central Trans. Company Passenger and freight terminals Independent Stave Co. Inc. Boilers, cyclones, Tepee Burner, Incinerator Bethlehem Steel Corp. Steel Mill Kaiser Steel Corp. LOCATION Snowflake, Ariz. Region IX Arlington, Mass. Region I Massachusetts Region I Lebanon, Missouri Region VII Burns Harbor Planl Chesterfield, Ind Region V Fontana, Calif. Region IX POLLUTION PROBLEM Violation of Ariiona visible emission regulation. Violation of Mass, regulations on incinerators. Transfer of cement pr-jt. >cts creating visible eroiisiwri problem and trucks irli,.;' contrary to requirements of Mass. SIP. Violation of Missouri partlcu- late matter regulation. : Violation of Indiana visible emission and particulate emissions (process *rt.) regulations. Violation of Calif, visible emission and SOz regulations (H2S standard). TYPE OF ACT:J» lotice of violation issued July 24, 1973. Notice of violation issued July 2, 1973. Kot'c. cf .-.elation issued Jui/ 2, 1973. Notice of violation issued July 9, 1973. Supplemental notice of violation Issued Oct. 13, 1973. Order on first notice issued C:t. 16, 1973. is rtice of violation issued July 11, 1973. Notice of violation issued Aug. 7, 1973. RESULTS OR STATUS Order pending. i i i — _ — — i No order issued since 3 sources presently in compli- ance and coke ovens on satisfactory State order. Conference held August 29, 1973; order pending. ------- COMPANY TYPE OF SOURCE & wood waste burners Seaboard Foundry, Inc Gray Iron Foundry Inland Steel Co. Integrated Steel Mill Youngs town Sheet and Tube Co. Integrated Steel Mill Missouri Power i Light Co. Power Plant —————— LOCAT TDM Mendocino and Northern Sonoma County, Calif. Region IX Johnston, R.I. Region I East Chicago, Ind Region V East Chicago, Ind. Region V Jefferson City, Mo Region VII • ,_ POLLUTION PROBLEM Violation of Calif, visible emission regulations. Violation of R.I. visible emis- sions and particulate emissions (process wt.) regulations. Violation of Ind. visible emis- sions, combustion for industrial heating and process operations. Violation of Ind. visible emis- sions, combustion for industrial heating and process operations. . Refused to submit information required in Section 114 letter. TiPE Cf ACTION Notice of violation issued Aug. 15, 1973. Not ice of violation issued Aug. 1, 1973. Not ice of violation issued July 18, 1973. ' ^tice of violation issjed July 18, 1973. Airim'strative order issjed Aug. 1, 1973. RESULTS OR STATUS , Order pending. Order pending. Order pending. Order pending. ------- COMPANY TVDC nr ^fiiiRPF Roberts Const. Co. Limestone Quarrying and Crushing J. Edward Moran Generating Station City of Burlington Electric Light Dept. Boilers Atlantic-Richfield Corp. Power Pits & Steel Mills Mobil Oil Corp. Oil refinery American Oil Co. Oil Refinery Borden, Inc. Phosphate Plant LOCATION Sundance, Wyoming Region VIII Burlington, Vt. Region I East Chicago, Ind Region V East Chicago, Ind Region V Whiting, Ind. Region V Palmetto, Fla. Headquarters POLLUTION PROBLEM Violation of ambient air stand- ard for total suspended particu- lates as provided in Wyoming SIP Violation of Vt. particulate matter and visible emissions regul ati ons . Violation of Ind. S02 regulat^n CAPC-13) Violation of Ind. SOa CAPC-13) and visible emission (APC-3) regulations. Violation of Ind. S0£ (APC-13) and visible emission (APC-3) regulations. Refused to submit information required in Section P3 letter. (NSPS development) TYPE OF ACTION Notice of violation issued Aug. 16, 1973. Order issued Sept. 28, 1973. Notice of violation issued on Aug. 14, 1973 .'lotice of violation tssued Sept. 10, 197J. Notice of violation issued Sept. 10, 1973. Ilotice of violation issued Sept. 10, 1973. Aa-iinlstrit ve >rde" iss'.:--J A'iy. 17, 1973. RESULTS OR STATUS Conference and order pending. Region withdrew further consideration pending more information from company. ------- COMPANY TYPE OF SOURCE Mew Eng. Power Co. ; Brayton Point Power Stations Alpha Portland Cement Co. Clinker Cooler U.S. Gypsum Co. f'ill rock process Shingle finish pro. racking process Billiard Castings, Inc. Copula furnaces U.S. Gypsum Co. Mineral wool process cupolas, blow cham- bers, curing oven, asphalt frame control C.F. Industries Amonlum Nitrate pulling process. LOCATION Somerset. Mass. Region I Afften, Mo. Region VII East Chicago, Ind. Region V Bridgeport Conn. Region I Uabash, Ind. Region V Terre Haute, Ind. Region V POLLUTION PROBLEM Violation of Mass. Genera] Regulation to Prevent Air Pollution and Visible Emis- sion Regulations. Violation Mo. parti cul ate natter (process wt.) regu- lation. Violation of Ind. partlcu- late natter (process emis- sion APC-?) and visible emission ;APC-3) rvjs. Violatitn it Conn. parti ;i- late natter -'pro- ess -ar s- sions. visible ewiss ons and fugitive di.;.-. r«.a« Violation of Ind. parti cu- late matter (process emis- sion, APC-5) regs. Violation of THI* Parti cu- late natter (pocess enis- sions, APC-5) regs. ~'PE OF ACTION totice of violation issued Sept. 6, 1973. Notice of violation issued Sept. 28, 1973. Notice of vlolaticn issued Oct. 5, 1973. Nit ice c? vi /I at ion issued Oct. 12, 1973. Notice of violation is ; ted on Oct. 5, 1973 Noti ;e of violation issueJ Oct. 9, 1973. RPClll TC AD CTATIIC ------- CO.MPANY TYPE Ur oUUKLL . Universal Atlas Cement Cites of Lament, Dayton, Connell, Oakesdale and Whitman County. Washington NIPSCO Bailly State Power Plant Boilers West Penn Power Co. Mitchell State Public Serv. Co. of Ind. Wabash River Sta. Can-Tex Ind., Inc. Clay Shale Grinding Storage Pacific Co.j Washington dump Peninsula disposal service LOCATION Hernibal, Mo. Region VII Same Region X Gary Vicinity Ind. Region V Courtney {Wash. C Pa. Region III Terre Haute, Ind. Region V Cannellon, Ind. Long Beach. Padf Co.. Wash. Region X POLLUTION PROBLEM Refused to submit §114 information requested. Violation of Washington open burning regulation. Violation of Ind. SO. .•*?. (APC-13) o.) Violation of Pa. SO* reg. Violation of Ind. SOx reg. {APC-13} Violation of Ind. parti cu- late matter (process emis- sion, APC-5) regs. 1c Violation of Washington's open burning regulations TYPE OF AC'-O,; ",d«rinistrative order issued Oct. 1, 1973. 'lotice of violation issued Sept. 21, 1973. floilr-* o' violation issued Se^t. 13, 1973. notice of violation issued Sept. 13, 1973. Notice of violation issued Sept. 13, 1973. .totice of violation issued Oct. 17, 1973. Notice of violation issued Oct. 17, 1973. RESULTS OR STATUS Conference held on Oct. 18, 1973. Conference held on October 18, 1973. Conference held on October 18, 1973. ------- I o i U.STYPE OF SOURCE U.S. Gypsum Gypsum manu. Gypsum plaster « panel manu. Container Corp. of ifterica boilers Keeffer Paper Mill boilers Cfntral Soya, Co. Boilers Ind. Univ. Physical Plant Power Plant LOCATION Shoals, Ind. Region V Wabash, Ind. Region V Brounstom, Ind. Region V Indianapolis, Ind Region V Bloomington, Ind. Region V _ --, POLLUTION PROBLEMS Violation of Ind. participate matter (process emission, APC-5) regulations. Violation of Ind. participate matter from combustion of fuel for indirect heating (APC-4R) and S02 regs. (APC-13). Violation of Ind. parttcu'at,' matter from combustion of f-ie: for indirect heating (APC-4C.). Violation of Ind. partv:uUte matter from combustion of fuel for indirect heating (APC-4R) - Violation of Ind. participate matter form combustion of fuel for indirect heating reg. (APC-4R) TYPE OF ACTION Nit ce of violation Issu Oct. 5, 1973. li:t ce of violation iss-.ed Oct. 9, 197C- N;tice ui" v.'oiation issied Oct. 12, 1973. Hot:ce of violation issued Oct. 12, 1973. Uotice of violation issjed Oct. 24, 1973. RESULTS OR STATUS ed ------- |