{"abstract":"EPA is proposing to amend the new source performance standards (NSPS) for electric utility steam generating units and industrial- commercial-institutional steam generating units. On February 27, 2006, EPA promulgated amendments to the NSPS for steam generating units. EPA is proposing to amend specific provisions in the NSPS for steam generating units to resolve issues and questions raised by petitioners for reconsideration of the promulgated amendments, and to correct technical and editorial errors that have been identified since promulgation. In addition, the proposed rule would update the grammatical style of the four NSPS steam generating unit subparts to be consistent across all of the subparts.","action":"Proposed rule.","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2007/02/09/E7-1881.html","cfr_references":[{"chapter":null,"citation_url":null,"part":60,"title":40}],"citation":"72 FR 6320","comment_url":null,"comments_close_on":"2007-03-12","correction_of":null,"corrections":[],"dates":"Comments. Comments must be received on or before March 12, 2007, unless a public hearing is requested by February 20, 2007. If a timely hearing request is submitted, the public hearing will be held on February 26, 2007 and we must receive written comments on or before March 26, 2007.","disposition_notes":null,"docket_ids":["EPA-HQ-OAR-2005-0031","FRL-8275-9"],"dockets":[],"document_number":"E7-1881","effective_on":null,"end_page":6375,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2007/02/09/E7-1881.xml","html_url":"https://www.federalregister.gov/documents/2007/02/09/E7-1881/standards-of-performance-for-fossil-fuel-fired-steam-generators-for-which-construction-is-commenced","images":{"EP09FE07.004":{"large":"https://img.federalregister.gov/EP09FE07.004/EP09FE07.004_large.png","medium":"https://img.federalregister.gov/EP09FE07.004/EP09FE07.004_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.004/EP09FE07.004_original_size.png"},"EP09FE07.026":{"large":"https://img.federalregister.gov/EP09FE07.026/EP09FE07.026_large.png","medium":"https://img.federalregister.gov/EP09FE07.026/EP09FE07.026_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.026/EP09FE07.026_original_size.png"},"EP09FE07.005":{"large":"https://img.federalregister.gov/EP09FE07.005/EP09FE07.005_large.png","medium":"https://img.federalregister.gov/EP09FE07.005/EP09FE07.005_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.005/EP09FE07.005_original_size.png"},"EP09FE07.027":{"large":"https://img.federalregister.gov/EP09FE07.027/EP09FE07.027_large.png","medium":"https://img.federalregister.gov/EP09FE07.027/EP09FE07.027_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.027/EP09FE07.027_original_size.png"},"EP09FE07.006":{"large":"https://img.federalregister.gov/EP09FE07.006/EP09FE07.006_large.png","medium":"https://img.federalregister.gov/EP09FE07.006/EP09FE07.006_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.006/EP09FE07.006_original_size.png"},"EP09FE07.028":{"large":"https://img.federalregister.gov/EP09FE07.028/EP09FE07.028_large.png","medium":"https://img.federalregister.gov/EP09FE07.028/EP09FE07.028_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.028/EP09FE07.028_original_size.png"},"EP09FE07.007":{"large":"https://img.federalregister.gov/EP09FE07.007/EP09FE07.007_large.png","medium":"https://img.federalregister.gov/EP09FE07.007/EP09FE07.007_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.007/EP09FE07.007_original_size.png"},"EP09FE07.029":{"large":"https://img.federalregister.gov/EP09FE07.029/EP09FE07.029_large.png","medium":"https://img.federalregister.gov/EP09FE07.029/EP09FE07.029_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.029/EP09FE07.029_original_size.png"},"EP09FE07.008":{"large":"https://img.federalregister.gov/EP09FE07.008/EP09FE07.008_large.png","medium":"https://img.federalregister.gov/EP09FE07.008/EP09FE07.008_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.008/EP09FE07.008_original_size.png"},"EP09FE07.009":{"large":"https://img.federalregister.gov/EP09FE07.009/EP09FE07.009_large.png","medium":"https://img.federalregister.gov/EP09FE07.009/EP09FE07.009_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.009/EP09FE07.009_original_size.png"},"EP09FE07.030":{"large":"https://img.federalregister.gov/EP09FE07.030/EP09FE07.030_large.png","medium":"https://img.federalregister.gov/EP09FE07.030/EP09FE07.030_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.030/EP09FE07.030_original_size.png"},"EP09FE07.031":{"large":"https://img.federalregister.gov/EP09FE07.031/EP09FE07.031_large.png","medium":"https://img.federalregister.gov/EP09FE07.031/EP09FE07.031_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.031/EP09FE07.031_original_size.png"},"EP09FE07.010":{"large":"https://img.federalregister.gov/EP09FE07.010/EP09FE07.010_large.png","medium":"https://img.federalregister.gov/EP09FE07.010/EP09FE07.010_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.010/EP09FE07.010_original_size.png"},"EP09FE07.032":{"large":"https://img.federalregister.gov/EP09FE07.032/EP09FE07.032_large.png","medium":"https://img.federalregister.gov/EP09FE07.032/EP09FE07.032_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.032/EP09FE07.032_original_size.png"},"EP09FE07.011":{"large":"https://img.federalregister.gov/EP09FE07.011/EP09FE07.011_large.png","medium":"https://img.federalregister.gov/EP09FE07.011/EP09FE07.011_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.011/EP09FE07.011_original_size.png"},"EP09FE07.033":{"large":"https://img.federalregister.gov/EP09FE07.033/EP09FE07.033_large.png","medium":"https://img.federalregister.gov/EP09FE07.033/EP09FE07.033_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.033/EP09FE07.033_original_size.png"},"EP09FE07.012":{"large":"https://img.federalregister.gov/EP09FE07.012/EP09FE07.012_large.png","medium":"https://img.federalregister.gov/EP09FE07.012/EP09FE07.012_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.012/EP09FE07.012_original_size.png"},"EP09FE07.034":{"large":"https://img.federalregister.gov/EP09FE07.034/EP09FE07.034_large.png","medium":"https://img.federalregister.gov/EP09FE07.034/EP09FE07.034_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.034/EP09FE07.034_original_size.png"},"EP09FE07.013":{"large":"https://img.federalregister.gov/EP09FE07.013/EP09FE07.013_large.png","medium":"https://img.federalregister.gov/EP09FE07.013/EP09FE07.013_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.013/EP09FE07.013_original_size.png"},"EP09FE07.035":{"large":"https://img.federalregister.gov/EP09FE07.035/EP09FE07.035_large.png","medium":"https://img.federalregister.gov/EP09FE07.035/EP09FE07.035_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.035/EP09FE07.035_original_size.png"},"EP09FE07.014":{"large":"https://img.federalregister.gov/EP09FE07.014/EP09FE07.014_large.png","medium":"https://img.federalregister.gov/EP09FE07.014/EP09FE07.014_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.014/EP09FE07.014_original_size.png"},"EP09FE07.036":{"large":"https://img.federalregister.gov/EP09FE07.036/EP09FE07.036_large.png","medium":"https://img.federalregister.gov/EP09FE07.036/EP09FE07.036_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.036/EP09FE07.036_original_size.png"},"EP09FE07.015":{"large":"https://img.federalregister.gov/EP09FE07.015/EP09FE07.015_large.png","medium":"https://img.federalregister.gov/EP09FE07.015/EP09FE07.015_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.015/EP09FE07.015_original_size.png"},"EP09FE07.037":{"large":"https://img.federalregister.gov/EP09FE07.037/EP09FE07.037_large.png","medium":"https://img.federalregister.gov/EP09FE07.037/EP09FE07.037_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.037/EP09FE07.037_original_size.png"},"EP09FE07.016":{"large":"https://img.federalregister.gov/EP09FE07.016/EP09FE07.016_large.png","medium":"https://img.federalregister.gov/EP09FE07.016/EP09FE07.016_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.016/EP09FE07.016_original_size.png"},"EP09FE07.038":{"large":"https://img.federalregister.gov/EP09FE07.038/EP09FE07.038_large.png","medium":"https://img.federalregister.gov/EP09FE07.038/EP09FE07.038_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.038/EP09FE07.038_original_size.png"},"EP09FE07.017":{"large":"https://img.federalregister.gov/EP09FE07.017/EP09FE07.017_large.png","medium":"https://img.federalregister.gov/EP09FE07.017/EP09FE07.017_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.017/EP09FE07.017_original_size.png"},"EP09FE07.039":{"large":"https://img.federalregister.gov/EP09FE07.039/EP09FE07.039_large.png","medium":"https://img.federalregister.gov/EP09FE07.039/EP09FE07.039_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.039/EP09FE07.039_original_size.png"},"EP09FE07.018":{"large":"https://img.federalregister.gov/EP09FE07.018/EP09FE07.018_large.png","medium":"https://img.federalregister.gov/EP09FE07.018/EP09FE07.018_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.018/EP09FE07.018_original_size.png"},"EP09FE07.019":{"large":"https://img.federalregister.gov/EP09FE07.019/EP09FE07.019_large.png","medium":"https://img.federalregister.gov/EP09FE07.019/EP09FE07.019_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.019/EP09FE07.019_original_size.png"},"EP09FE07.040":{"large":"https://img.federalregister.gov/EP09FE07.040/EP09FE07.040_large.png","medium":"https://img.federalregister.gov/EP09FE07.040/EP09FE07.040_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.040/EP09FE07.040_original_size.png"},"EP09FE07.020":{"large":"https://img.federalregister.gov/EP09FE07.020/EP09FE07.020_large.png","medium":"https://img.federalregister.gov/EP09FE07.020/EP09FE07.020_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.020/EP09FE07.020_original_size.png"},"EP09FE07.021":{"large":"https://img.federalregister.gov/EP09FE07.021/EP09FE07.021_large.png","medium":"https://img.federalregister.gov/EP09FE07.021/EP09FE07.021_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.021/EP09FE07.021_original_size.png"},"EP09FE07.000":{"large":"https://img.federalregister.gov/EP09FE07.000/EP09FE07.000_large.png","medium":"https://img.federalregister.gov/EP09FE07.000/EP09FE07.000_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.000/EP09FE07.000_original_size.png"},"EP09FE07.022":{"large":"https://img.federalregister.gov/EP09FE07.022/EP09FE07.022_large.png","medium":"https://img.federalregister.gov/EP09FE07.022/EP09FE07.022_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.022/EP09FE07.022_original_size.png"},"EP09FE07.001":{"large":"https://img.federalregister.gov/EP09FE07.001/EP09FE07.001_large.png","medium":"https://img.federalregister.gov/EP09FE07.001/EP09FE07.001_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.001/EP09FE07.001_original_size.png"},"EP09FE07.023":{"large":"https://img.federalregister.gov/EP09FE07.023/EP09FE07.023_large.png","medium":"https://img.federalregister.gov/EP09FE07.023/EP09FE07.023_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.023/EP09FE07.023_original_size.png"},"EP09FE07.002":{"large":"https://img.federalregister.gov/EP09FE07.002/EP09FE07.002_large.png","medium":"https://img.federalregister.gov/EP09FE07.002/EP09FE07.002_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.002/EP09FE07.002_original_size.png"},"EP09FE07.024":{"large":"https://img.federalregister.gov/EP09FE07.024/EP09FE07.024_large.png","medium":"https://img.federalregister.gov/EP09FE07.024/EP09FE07.024_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.024/EP09FE07.024_original_size.png"},"EP09FE07.003":{"large":"https://img.federalregister.gov/EP09FE07.003/EP09FE07.003_large.png","medium":"https://img.federalregister.gov/EP09FE07.003/EP09FE07.003_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.003/EP09FE07.003_original_size.png"},"EP09FE07.025":{"large":"https://img.federalregister.gov/EP09FE07.025/EP09FE07.025_large.png","medium":"https://img.federalregister.gov/EP09FE07.025/EP09FE07.025_medium.png","original_size":"https://img.federalregister.gov/EP09FE07.025/EP09FE07.025_original_size.png"}},"images_metadata":{"EP09FE07.004":{"large":{"identifier":"EP09FE07.004","content_type":"image/png","size":4860,"width":692,"sha":"b947b26353703dd4b5d83684f0d9e41c","url":"https://img.federalregister.gov/EP09FE07.004/EP09FE07.004_large.png","height":68},"medium":{"identifier":"EP09FE07.004","content_type":"image/png","size":1582,"width":326,"sha":"09510082e369fe7b259911a514537e75","url":"https://img.federalregister.gov/EP09FE07.004/EP09FE07.004_medium.png","height":32},"original_size":{"identifier":"EP09FE07.004","content_type":"image/png","size":1245,"width":295,"sha":"dc1deeb5531d81d63704bb69854ae851","url":"https://img.federalregister.gov/EP09FE07.004/EP09FE07.004_original_size.png","height":29}},"EP09FE07.026":{"large":{"identifier":"EP09FE07.026","content_type":"image/png","size":1822,"width":210,"sha":"d7917ada41f6160a6c8566fbd02b3740","url":"https://img.federalregister.gov/EP09FE07.026/EP09FE07.026_large.png","height":70},"medium":{"identifier":"EP09FE07.026","content_type":"image/png","size":794,"width":99,"sha":"5059fb296ce62d44e1dc2a90ad895455","url":"https://img.federalregister.gov/EP09FE07.026/EP09FE07.026_medium.png","height":33},"original_size":{"identifier":"EP09FE07.026","content_type":"image/png","size":522,"width":90,"sha":"591dd45dc0ad6efed5fffdf86c834422","url":"https://img.federalregister.gov/EP09FE07.026/EP09FE07.026_original_size.png","height":30}},"EP09FE07.005":{"large":{"identifier":"EP09FE07.005","content_type":"image/png","size":2320,"width":204,"sha":"0795fa3cdaf6cc2ec1f853c7f67113f3","url":"https://img.federalregister.gov/EP09FE07.005/EP09FE07.005_large.png","height":73},"medium":{"identifier":"EP09FE07.005","content_type":"image/png","size":802,"width":95,"sha":"56706dbe8722598084fc0de3219588c2","url":"https://img.federalregister.gov/EP09FE07.005/EP09FE07.005_medium.png","height":34},"original_size":{"identifier":"EP09FE07.005","content_type":"image/png","size":637,"width":87,"sha":"2dd9627f8b05762d3f4244457addf300","url":"https://img.federalregister.gov/EP09FE07.005/EP09FE07.005_original_size.png","height":31}},"EP09FE07.027":{"large":{"identifier":"EP09FE07.027","content_type":"image/png","size":1892,"width":210,"sha":"533b922ff07f3b7aac52a5dbc30168fc","url":"https://img.federalregister.gov/EP09FE07.027/EP09FE07.027_large.png","height":70},"medium":{"identifier":"EP09FE07.027","content_type":"image/png","size":739,"width":99,"sha":"308b10dcb0442e95351336e84332d2d4","url":"https://img.federalregister.gov/EP09FE07.027/EP09FE07.027_medium.png","height":33},"original_size":{"identifier":"EP09FE07.027","content_type":"image/png","size":531,"width":90,"sha":"329a2c8059cb1077e781ae42b00eed05","url":"https://img.federalregister.gov/EP09FE07.027/EP09FE07.027_original_size.png","height":30}},"EP09FE07.006":{"large":{"identifier":"EP09FE07.006","content_type":"image/png","size":5367,"width":689,"sha":"ad50d7344d186aa87c5036495b9de4a5","url":"https://img.federalregister.gov/EP09FE07.006/EP09FE07.006_large.png","height":73},"medium":{"identifier":"EP09FE07.006","content_type":"image/png","size":1962,"width":322,"sha":"ea3e761d14df97d7294eab18978949db","url":"https://img.federalregister.gov/EP09FE07.006/EP09FE07.006_medium.png","height":34},"original_size":{"identifier":"EP09FE07.006","content_type":"image/png","size":1491,"width":294,"sha":"82c79e8906f9ec56bce7e47d637978ab","url":"https://img.federalregister.gov/EP09FE07.006/EP09FE07.006_original_size.png","height":31}},"EP09FE07.028":{"large":{"identifier":"EP09FE07.028","content_type":"image/png","size":3542,"width":380,"sha":"b56f8eeab53e056997fcd418bb185bcf","url":"https://img.federalregister.gov/EP09FE07.028/EP09FE07.028_large.png","height":75},"medium":{"identifier":"EP09FE07.028","content_type":"image/png","size":1192,"width":177,"sha":"3b6d13ee93f9cc58d5586fc0c68fe141","url":"https://img.federalregister.gov/EP09FE07.028/EP09FE07.028_medium.png","height":35},"original_size":{"identifier":"EP09FE07.028","content_type":"image/png","size":834,"width":162,"sha":"ca302083c020d7552948e53ef1feec24","url":"https://img.federalregister.gov/EP09FE07.028/EP09FE07.028_original_size.png","height":32}},"EP09FE07.007":{"large":{"identifier":"EP09FE07.007","content_type":"image/png","size":1985,"width":201,"sha":"e1259c5da0d1d2b38903b624b1cb26fb","url":"https://img.federalregister.gov/EP09FE07.007/EP09FE07.007_large.png","height":70},"medium":{"identifier":"EP09FE07.007","content_type":"image/png","size":802,"width":95,"sha":"b0792d60563122d37215d113fbd96d39","url":"https://img.federalregister.gov/EP09FE07.007/EP09FE07.007_medium.png","height":33},"original_size":{"identifier":"EP09FE07.007","content_type":"image/png","size":597,"width":86,"sha":"e4e23ec49ebddc912656151ec0cdc815","url":"https://img.federalregister.gov/EP09FE07.007/EP09FE07.007_original_size.png","height":30}},"EP09FE07.029":{"large":{"identifier":"EP09FE07.029","content_type":"image/png","size":3542,"width":380,"sha":"b56f8eeab53e056997fcd418bb185bcf","url":"https://img.federalregister.gov/EP09FE07.029/EP09FE07.029_large.png","height":75},"medium":{"identifier":"EP09FE07.029","content_type":"image/png","size":1192,"width":177,"sha":"3b6d13ee93f9cc58d5586fc0c68fe141","url":"https://img.federalregister.gov/EP09FE07.029/EP09FE07.029_medium.png","height":35},"original_size":{"identifier":"EP09FE07.029","content_type":"image/png","size":834,"width":162,"sha":"ca302083c020d7552948e53ef1feec24","url":"https://img.federalregister.gov/EP09FE07.029/EP09FE07.029_original_size.png","height":32}},"EP09FE07.008":{"large":{"identifier":"EP09FE07.008","content_type":"image/png","size":2628,"width":251,"sha":"ca9b5d8e9a27908ed2914442ce565b03","url":"https://img.federalregister.gov/EP09FE07.008/EP09FE07.008_large.png","height":73},"medium":{"identifier":"EP09FE07.008","content_type":"image/png","size":901,"width":117,"sha":"4e2201fcc4faadbaeff8d9b9cd5e7891","url":"https://img.federalregister.gov/EP09FE07.008/EP09FE07.008_medium.png","height":34},"original_size":{"identifier":"EP09FE07.008","content_type":"image/png","size":746,"width":107,"sha":"4c4b8b225b93c6ff5e7683f0afb4ccb7","url":"https://img.federalregister.gov/EP09FE07.008/EP09FE07.008_original_size.png","height":31}},"EP09FE07.009":{"large":{"identifier":"EP09FE07.009","content_type":"image/png","size":2155,"width":320,"sha":"a5649fae8dcc6db473966d8dc70a8b1c","url":"https://img.federalregister.gov/EP09FE07.009/EP09FE07.009_large.png","height":70},"medium":{"identifier":"EP09FE07.009","content_type":"image/png","size":894,"width":151,"sha":"61de67d77d0d8a78d99a732e408ddf34","url":"https://img.federalregister.gov/EP09FE07.009/EP09FE07.009_medium.png","height":33},"original_size":{"identifier":"EP09FE07.009","content_type":"image/png","size":581,"width":137,"sha":"49fe6fde0109d91d83f01316258d2aca","url":"https://img.federalregister.gov/EP09FE07.009/EP09FE07.009_original_size.png","height":30}},"EP09FE07.030":{"large":{"identifier":"EP09FE07.030","content_type":"image/png","size":2737,"width":307,"sha":"c905dbebbcdf067c3e69acf77d7b4e02","url":"https://img.federalregister.gov/EP09FE07.030/EP09FE07.030_large.png","height":75},"medium":{"identifier":"EP09FE07.030","content_type":"image/png","size":939,"width":143,"sha":"e2652245e6dd261d2e77ad7f1926ff52","url":"https://img.federalregister.gov/EP09FE07.030/EP09FE07.030_medium.png","height":35},"original_size":{"identifier":"EP09FE07.030","content_type":"image/png","size":688,"width":131,"sha":"43a1bc39dc08251c5e579d78472fea5e","url":"https://img.federalregister.gov/EP09FE07.030/EP09FE07.030_original_size.png","height":32}},"EP09FE07.031":{"large":{"identifier":"EP09FE07.031","content_type":"image/png","size":2973,"width":327,"sha":"97946d0fa37af7dc47608bd0eff0edb7","url":"https://img.federalregister.gov/EP09FE07.031/EP09FE07.031_large.png","height":77},"medium":{"identifier":"EP09FE07.031","content_type":"image/png","size":1214,"width":155,"sha":"f04f440239ee76cf4145e5ef5ef6cf2a","url":"https://img.federalregister.gov/EP09FE07.031/EP09FE07.031_medium.png","height":37},"original_size":{"identifier":"EP09FE07.031","content_type":"image/png","size":791,"width":140,"sha":"0a95054d16ee2b69a5bef5a356f61d74","url":"https://img.federalregister.gov/EP09FE07.031/EP09FE07.031_original_size.png","height":33}},"EP09FE07.010":{"large":{"identifier":"EP09FE07.010","content_type":"image/png","size":2285,"width":242,"sha":"376085f7716391b38b2880f1c0c6de69","url":"https://img.federalregister.gov/EP09FE07.010/EP09FE07.010_large.png","height":78},"medium":{"identifier":"EP09FE07.010","content_type":"image/png","size":866,"width":114,"sha":"0e30a31f79ea8d2eac7c14f09aef1e34","url":"https://img.federalregister.gov/EP09FE07.010/EP09FE07.010_medium.png","height":37},"original_size":{"identifier":"EP09FE07.010","content_type":"image/png","size":600,"width":103,"sha":"f3430b0d14e432190ca8f033c7f12666","url":"https://img.federalregister.gov/EP09FE07.010/EP09FE07.010_original_size.png","height":33}},"EP09FE07.032":{"large":{"identifier":"EP09FE07.032","content_type":"image/png","size":1669,"width":236,"sha":"14f94ba7d0abcb62c74c4c85ccd55692","url":"https://img.federalregister.gov/EP09FE07.032/EP09FE07.032_large.png","height":70},"medium":{"identifier":"EP09FE07.032","content_type":"image/png","size":647,"width":111,"sha":"a788d1e48fa97e7248cd21f42df97e3f","url":"https://img.federalregister.gov/EP09FE07.032/EP09FE07.032_medium.png","height":33},"original_size":{"identifier":"EP09FE07.032","content_type":"image/png","size":431,"width":101,"sha":"944d75e3912b938b4d793c76ae795d0c","url":"https://img.federalregister.gov/EP09FE07.032/EP09FE07.032_original_size.png","height":30}},"EP09FE07.011":{"large":{"identifier":"EP09FE07.011","content_type":"image/png","size":1658,"width":175,"sha":"c0b13c3e86fa3e727faaf7043e286956","url":"https://img.federalregister.gov/EP09FE07.011/EP09FE07.011_large.png","height":77},"medium":{"identifier":"EP09FE07.011","content_type":"image/png","size":744,"width":83,"sha":"598380bd1f5045a2130d028c3c454109","url":"https://img.federalregister.gov/EP09FE07.011/EP09FE07.011_medium.png","height":37},"original_size":{"identifier":"EP09FE07.011","content_type":"image/png","size":493,"width":75,"sha":"43bfc6134ce3855d52d853af64256161","url":"https://img.federalregister.gov/EP09FE07.011/EP09FE07.011_original_size.png","height":33}},"EP09FE07.033":{"large":{"identifier":"EP09FE07.033","content_type":"image/png","size":2088,"width":226,"sha":"1d90be912842f0d5ccdad6c2ceb77c42","url":"https://img.federalregister.gov/EP09FE07.033/EP09FE07.033_large.png","height":77},"medium":{"identifier":"EP09FE07.033","content_type":"image/png","size":802,"width":106,"sha":"9c6ca380facc047f495a4e10913c95f0","url":"https://img.federalregister.gov/EP09FE07.033/EP09FE07.033_medium.png","height":36},"original_size":{"identifier":"EP09FE07.033","content_type":"image/png","size":577,"width":97,"sha":"1de5a04ea11d0574b425e92b87c63d4b","url":"https://img.federalregister.gov/EP09FE07.033/EP09FE07.033_original_size.png","height":33}},"EP09FE07.012":{"large":{"identifier":"EP09FE07.012","content_type":"image/png","size":2609,"width":196,"sha":"3a92b2cc487050859c00a23a4dc8538a","url":"https://img.federalregister.gov/EP09FE07.012/EP09FE07.012_large.png","height":138},"medium":{"identifier":"EP09FE07.012","content_type":"image/png","size":1022,"width":93,"sha":"615ac75f9ee278599a23f2be728c3851","url":"https://img.federalregister.gov/EP09FE07.012/EP09FE07.012_medium.png","height":65},"original_size":{"identifier":"EP09FE07.012","content_type":"image/png","size":694,"width":84,"sha":"949d6a138687e81026eaa41b4880554d","url":"https://img.federalregister.gov/EP09FE07.012/EP09FE07.012_original_size.png","height":59}},"EP09FE07.034":{"large":{"identifier":"EP09FE07.034","content_type":"image/png","size":1556,"width":231,"sha":"9fe1ee747821c6f03dea9888d123a374","url":"https://img.federalregister.gov/EP09FE07.034/EP09FE07.034_large.png","height":70},"medium":{"identifier":"EP09FE07.034","content_type":"image/png","size":624,"width":109,"sha":"6b7a21d419c720da39587d4b1e461868","url":"https://img.federalregister.gov/EP09FE07.034/EP09FE07.034_medium.png","height":33},"original_size":{"identifier":"EP09FE07.034","content_type":"image/png","size":455,"width":99,"sha":"892b53cd882371e12297f783d2c63718","url":"https://img.federalregister.gov/EP09FE07.034/EP09FE07.034_original_size.png","height":30}},"EP09FE07.013":{"large":{"identifier":"EP09FE07.013","content_type":"image/png","size":3513,"width":197,"sha":"86680fa05e5dfc893fa448435f1783da","url":"https://img.federalregister.gov/EP09FE07.013/EP09FE07.013_large.png","height":162},"medium":{"identifier":"EP09FE07.013","content_type":"image/png","size":1189,"width":93,"sha":"76eb8c9e7ff652e6d32c4c1e06659b0b","url":"https://img.federalregister.gov/EP09FE07.013/EP09FE07.013_medium.png","height":76},"original_size":{"identifier":"EP09FE07.013","content_type":"image/png","size":893,"width":84,"sha":"29e99845cbe9488a345f9f62fd67b747","url":"https://img.federalregister.gov/EP09FE07.013/EP09FE07.013_original_size.png","height":69}},"EP09FE07.035":{"large":{"identifier":"EP09FE07.035","content_type":"image/png","size":2716,"width":371,"sha":"5dbc4cf5aed23e67328be81ca2274cb3","url":"https://img.federalregister.gov/EP09FE07.035/EP09FE07.035_large.png","height":77},"medium":{"identifier":"EP09FE07.035","content_type":"image/png","size":1055,"width":176,"sha":"37adbea3b5eaa283afff21a9b252a33a","url":"https://img.federalregister.gov/EP09FE07.035/EP09FE07.035_medium.png","height":37},"original_size":{"identifier":"EP09FE07.035","content_type":"image/png","size":703,"width":159,"sha":"af51c8597392db9feb069ec855ce9e4d","url":"https://img.federalregister.gov/EP09FE07.035/EP09FE07.035_original_size.png","height":33}},"EP09FE07.014":{"large":{"identifier":"EP09FE07.014","content_type":"image/png","size":2601,"width":380,"sha":"339222cdc8419871643ab33050b055ad","url":"https://img.federalregister.gov/EP09FE07.014/EP09FE07.014_large.png","height":66},"medium":{"identifier":"EP09FE07.014","content_type":"image/png","size":924,"width":179,"sha":"1050c3aa83d1d07b62b743c83eb7f992","url":"https://img.federalregister.gov/EP09FE07.014/EP09FE07.014_medium.png","height":31},"original_size":{"identifier":"EP09FE07.014","content_type":"image/png","size":729,"width":162,"sha":"66b44ef9a7a6a8f51e142f51a53504a8","url":"https://img.federalregister.gov/EP09FE07.014/EP09FE07.014_original_size.png","height":28}},"EP09FE07.036":{"large":{"identifier":"EP09FE07.036","content_type":"image/png","size":2476,"width":287,"sha":"1154f20351cf9ab7a357327a73837751","url":"https://img.federalregister.gov/EP09FE07.036/EP09FE07.036_large.png","height":70},"medium":{"identifier":"EP09FE07.036","content_type":"image/png","size":969,"width":135,"sha":"8cbb01593185798472044a6025ebd54e","url":"https://img.federalregister.gov/EP09FE07.036/EP09FE07.036_medium.png","height":33},"original_size":{"identifier":"EP09FE07.036","content_type":"image/png","size":681,"width":123,"sha":"5bd0136d88c850756f1c45c04281a51a","url":"https://img.federalregister.gov/EP09FE07.036/EP09FE07.036_original_size.png","height":30}},"EP09FE07.015":{"large":{"identifier":"EP09FE07.015","content_type":"image/png","size":2999,"width":311,"sha":"dbffc7a3483aa7ac0cdbc1b271e84cfc","url":"https://img.federalregister.gov/EP09FE07.015/EP09FE07.015_large.png","height":138},"medium":{"identifier":"EP09FE07.015","content_type":"image/png","size":1189,"width":147,"sha":"5c0ab1282a8ae6b0549db3a4b274d528","url":"https://img.federalregister.gov/EP09FE07.015/EP09FE07.015_medium.png","height":65},"original_size":{"identifier":"EP09FE07.015","content_type":"image/png","size":774,"width":133,"sha":"e08b42ca70ab342ca2a8ca2a0ce94db3","url":"https://img.federalregister.gov/EP09FE07.015/EP09FE07.015_original_size.png","height":59}},"EP09FE07.037":{"large":{"identifier":"EP09FE07.037","content_type":"image/png","size":1706,"width":236,"sha":"268d5d7f18d2d4f9060a2cfcae7bd020","url":"https://img.federalregister.gov/EP09FE07.037/EP09FE07.037_large.png","height":70},"medium":{"identifier":"EP09FE07.037","content_type":"image/png","size":648,"width":111,"sha":"4605902b193c3df96df82c194f95d0b4","url":"https://img.federalregister.gov/EP09FE07.037/EP09FE07.037_medium.png","height":33},"original_size":{"identifier":"EP09FE07.037","content_type":"image/png","size":456,"width":101,"sha":"3aa2859bf404e67aecd7143dbd4ffb44","url":"https://img.federalregister.gov/EP09FE07.037/EP09FE07.037_original_size.png","height":30}},"EP09FE07.016":{"large":{"identifier":"EP09FE07.016","content_type":"image/png","size":3082,"width":384,"sha":"eb778ade3a322bff65c603476def64ac","url":"https://img.federalregister.gov/EP09FE07.016/EP09FE07.016_large.png","height":75},"medium":{"identifier":"EP09FE07.016","content_type":"image/png","size":1050,"width":179,"sha":"459e9466f804a1f6092603f76ab3ed13","url":"https://img.federalregister.gov/EP09FE07.016/EP09FE07.016_medium.png","height":35},"original_size":{"identifier":"EP09FE07.016","content_type":"image/png","size":806,"width":164,"sha":"2016a7706a065848838d49144f6026df","url":"https://img.federalregister.gov/EP09FE07.016/EP09FE07.016_original_size.png","height":32}},"EP09FE07.038":{"large":{"identifier":"EP09FE07.038","content_type":"image/png","size":2973,"width":327,"sha":"97946d0fa37af7dc47608bd0eff0edb7","url":"https://img.federalregister.gov/EP09FE07.038/EP09FE07.038_large.png","height":77},"medium":{"identifier":"EP09FE07.038","content_type":"image/png","size":1214,"width":155,"sha":"f04f440239ee76cf4145e5ef5ef6cf2a","url":"https://img.federalregister.gov/EP09FE07.038/EP09FE07.038_medium.png","height":37},"original_size":{"identifier":"EP09FE07.038","content_type":"image/png","size":791,"width":140,"sha":"0a95054d16ee2b69a5bef5a356f61d74","url":"https://img.federalregister.gov/EP09FE07.038/EP09FE07.038_original_size.png","height":33}},"EP09FE07.017":{"large":{"identifier":"EP09FE07.017","content_type":"image/png","size":2100,"width":265,"sha":"7eaee27d60de30e5466d136958d5c16f","url":"https://img.federalregister.gov/EP09FE07.017/EP09FE07.017_large.png","height":73},"medium":{"identifier":"EP09FE07.017","content_type":"image/png","size":798,"width":124,"sha":"dde709925a76584f4bfc432331e0f6e4","url":"https://img.federalregister.gov/EP09FE07.017/EP09FE07.017_medium.png","height":34},"original_size":{"identifier":"EP09FE07.017","content_type":"image/png","size":556,"width":113,"sha":"17afde20988fde11e98efb90370988f3","url":"https://img.federalregister.gov/EP09FE07.017/EP09FE07.017_original_size.png","height":31}},"EP09FE07.039":{"large":{"identifier":"EP09FE07.039","content_type":"image/png","size":1885,"width":215,"sha":"ccea77ca289c4f26fc7c2c13347e2a37","url":"https://img.federalregister.gov/EP09FE07.039/EP09FE07.039_large.png","height":77},"medium":{"identifier":"EP09FE07.039","content_type":"image/png","size":741,"width":102,"sha":"1edf30ddf1a9bcdc73f18eba416490a1","url":"https://img.federalregister.gov/EP09FE07.039/EP09FE07.039_medium.png","height":37},"original_size":{"identifier":"EP09FE07.039","content_type":"image/png","size":540,"width":92,"sha":"482b6ea7776f8dd1518b9e396cb7f1ba","url":"https://img.federalregister.gov/EP09FE07.039/EP09FE07.039_original_size.png","height":33}},"EP09FE07.018":{"large":{"identifier":"EP09FE07.018","content_type":"image/png","size":2250,"width":281,"sha":"9245dbac1c099ce9472a53512c9c8d6b","url":"https://img.federalregister.gov/EP09FE07.018/EP09FE07.018_large.png","height":73},"medium":{"identifier":"EP09FE07.018","content_type":"image/png","size":855,"width":132,"sha":"59c542e98eb1c45e826ec02382910fa2","url":"https://img.federalregister.gov/EP09FE07.018/EP09FE07.018_medium.png","height":34},"original_size":{"identifier":"EP09FE07.018","content_type":"image/png","size":572,"width":120,"sha":"53cb4fc9eb4fad0746a7505aff863a39","url":"https://img.federalregister.gov/EP09FE07.018/EP09FE07.018_original_size.png","height":31}},"EP09FE07.019":{"large":{"identifier":"EP09FE07.019","content_type":"image/png","size":2512,"width":317,"sha":"805cc271702bfa0539823fae1edd56f3","url":"https://img.federalregister.gov/EP09FE07.019/EP09FE07.019_large.png","height":68},"medium":{"identifier":"EP09FE07.019","content_type":"image/png","size":924,"width":149,"sha":"c3fd04a72e19c714b11cde768a97e6b6","url":"https://img.federalregister.gov/EP09FE07.019/EP09FE07.019_medium.png","height":32},"original_size":{"identifier":"EP09FE07.019","content_type":"image/png","size":636,"width":135,"sha":"560c43b2e034e0f03a917543ae553f1f","url":"https://img.federalregister.gov/EP09FE07.019/EP09FE07.019_original_size.png","height":29}},"EP09FE07.040":{"large":{"identifier":"EP09FE07.040","content_type":"image/png","size":1558,"width":224,"sha":"a070035109c5cc2289280c770209e910","url":"https://img.federalregister.gov/EP09FE07.040/EP09FE07.040_large.png","height":70},"medium":{"identifier":"EP09FE07.040","content_type":"image/png","size":630,"width":106,"sha":"8360ee7608d71394fccdd07b3d6fc939","url":"https://img.federalregister.gov/EP09FE07.040/EP09FE07.040_medium.png","height":33},"original_size":{"identifier":"EP09FE07.040","content_type":"image/png","size":447,"width":96,"sha":"0bda9565e193564380b56485d67a658f","url":"https://img.federalregister.gov/EP09FE07.040/EP09FE07.040_original_size.png","height":30}},"EP09FE07.020":{"large":{"identifier":"EP09FE07.020","content_type":"image/png","size":2580,"width":366,"sha":"78117cf94bc5d05041a76223e3ccaa8c","url":"https://img.federalregister.gov/EP09FE07.020/EP09FE07.020_large.png","height":73},"medium":{"identifier":"EP09FE07.020","content_type":"image/png","size":892,"width":171,"sha":"507be1034a6058ad4d265b3e56676a3a","url":"https://img.federalregister.gov/EP09FE07.020/EP09FE07.020_medium.png","height":34},"original_size":{"identifier":"EP09FE07.020","content_type":"image/png","size":612,"width":156,"sha":"f185412667d5277af019d34eaf18ccef","url":"https://img.federalregister.gov/EP09FE07.020/EP09FE07.020_original_size.png","height":31}},"EP09FE07.021":{"large":{"identifier":"EP09FE07.021","content_type":"image/png","size":1211,"width":245,"sha":"a1a40eea0716e6b03b14507f92fac3f7","url":"https://img.federalregister.gov/EP09FE07.021/EP09FE07.021_large.png","height":35},"medium":{"identifier":"EP09FE07.021","content_type":"image/png","size":514,"width":116,"sha":"668a029af1b4978470822e5fbb9ac61b","url":"https://img.federalregister.gov/EP09FE07.021/EP09FE07.021_medium.png","height":17},"original_size":{"identifier":"EP09FE07.021","content_type":"image/png","size":379,"width":105,"sha":"b8a3defd525422f459faf10f6495c7c5","url":"https://img.federalregister.gov/EP09FE07.021/EP09FE07.021_original_size.png","height":15}},"EP09FE07.000":{"large":{"identifier":"EP09FE07.000","content_type":"image/png","size":2029,"width":243,"sha":"74298a2478d949c6bc8f290d9dbed68c","url":"https://img.federalregister.gov/EP09FE07.000/EP09FE07.000_large.png","height":70},"medium":{"identifier":"EP09FE07.000","content_type":"image/png","size":785,"width":114,"sha":"a5ab77ae9dd2e919ba9e13ced3da51b0","url":"https://img.federalregister.gov/EP09FE07.000/EP09FE07.000_medium.png","height":33},"original_size":{"identifier":"EP09FE07.000","content_type":"image/png","size":595,"width":104,"sha":"a399c38e57fd08ea8bffd68d2e952e94","url":"https://img.federalregister.gov/EP09FE07.000/EP09FE07.000_original_size.png","height":30}},"EP09FE07.022":{"large":{"identifier":"EP09FE07.022","content_type":"image/png","size":1676,"width":329,"sha":"015228624e1040ddcf4ef3bf3f88499b","url":"https://img.federalregister.gov/EP09FE07.022/EP09FE07.022_large.png","height":35},"medium":{"identifier":"EP09FE07.022","content_type":"image/png","size":643,"width":156,"sha":"ca567a39dc162df74ff362e0da320523","url":"https://img.federalregister.gov/EP09FE07.022/EP09FE07.022_medium.png","height":17},"original_size":{"identifier":"EP09FE07.022","content_type":"image/png","size":470,"width":141,"sha":"99feaf06adc3b3e04f41cba8ab59e425","url":"https://img.federalregister.gov/EP09FE07.022/EP09FE07.022_original_size.png","height":15}},"EP09FE07.001":{"large":{"identifier":"EP09FE07.001","content_type":"image/png","size":3167,"width":429,"sha":"31ad9ed3ec3c9da221a0c47e47bec700","url":"https://img.federalregister.gov/EP09FE07.001/EP09FE07.001_large.png","height":70},"medium":{"identifier":"EP09FE07.001","content_type":"image/png","size":1236,"width":202,"sha":"5e9f8b8dc7145ba2b2dbd863fc876639","url":"https://img.federalregister.gov/EP09FE07.001/EP09FE07.001_medium.png","height":33},"original_size":{"identifier":"EP09FE07.001","content_type":"image/png","size":882,"width":184,"sha":"ffa1f23ef2279a47f1ee09a13278b895","url":"https://img.federalregister.gov/EP09FE07.001/EP09FE07.001_original_size.png","height":30}},"EP09FE07.023":{"large":{"identifier":"EP09FE07.023","content_type":"image/png","size":1453,"width":222,"sha":"134e6dc064002f3a11fa7b5141a4a066","url":"https://img.federalregister.gov/EP09FE07.023/EP09FE07.023_large.png","height":70},"medium":{"identifier":"EP09FE07.023","content_type":"image/png","size":604,"width":105,"sha":"ef13ac8c2efde41379d6a901c2da9c4f","url":"https://img.federalregister.gov/EP09FE07.023/EP09FE07.023_medium.png","height":33},"original_size":{"identifier":"EP09FE07.023","content_type":"image/png","size":427,"width":95,"sha":"e8567f40db8018c6a86bf2b296c3329a","url":"https://img.federalregister.gov/EP09FE07.023/EP09FE07.023_original_size.png","height":30}},"EP09FE07.002":{"large":{"identifier":"EP09FE07.002","content_type":"image/png","size":2252,"width":237,"sha":"fbe9014b0d94ed0731d6b0492e6ebd9f","url":"https://img.federalregister.gov/EP09FE07.002/EP09FE07.002_large.png","height":82},"medium":{"identifier":"EP09FE07.002","content_type":"image/png","size":832,"width":110,"sha":"f1a1ecb2a89f0bed49c55c7dc4c48300","url":"https://img.federalregister.gov/EP09FE07.002/EP09FE07.002_medium.png","height":38},"original_size":{"identifier":"EP09FE07.002","content_type":"image/png","size":620,"width":101,"sha":"4700bb48359019c5e2ea8f081cce5090","url":"https://img.federalregister.gov/EP09FE07.002/EP09FE07.002_original_size.png","height":35}},"EP09FE07.024":{"large":{"identifier":"EP09FE07.024","content_type":"image/png","size":1341,"width":201,"sha":"130ec0bbbfccd38dda076dc16add1926","url":"https://img.federalregister.gov/EP09FE07.024/EP09FE07.024_large.png","height":63},"medium":{"identifier":"EP09FE07.024","content_type":"image/png","size":548,"width":95,"sha":"c24ee8ae20ab8ceb0c7da56df5f843c6","url":"https://img.federalregister.gov/EP09FE07.024/EP09FE07.024_medium.png","height":30},"original_size":{"identifier":"EP09FE07.024","content_type":"image/png","size":390,"width":86,"sha":"38eac5bebcada24768f99b664fe77297","url":"https://img.federalregister.gov/EP09FE07.024/EP09FE07.024_original_size.png","height":27}},"EP09FE07.003":{"large":{"identifier":"EP09FE07.003","content_type":"image/png","size":1676,"width":177,"sha":"cfc792634869527e40d57d42786f8d85","url":"https://img.federalregister.gov/EP09FE07.003/EP09FE07.003_large.png","height":77},"medium":{"identifier":"EP09FE07.003","content_type":"image/png","size":633,"width":83,"sha":"dc444dc00a822d1530232b840946a06b","url":"https://img.federalregister.gov/EP09FE07.003/EP09FE07.003_medium.png","height":36},"original_size":{"identifier":"EP09FE07.003","content_type":"image/png","size":461,"width":76,"sha":"3b3c44a87fd263e2472602fc95f76450","url":"https://img.federalregister.gov/EP09FE07.003/EP09FE07.003_original_size.png","height":33}},"EP09FE07.025":{"large":{"identifier":"EP09FE07.025","content_type":"image/png","size":3003,"width":317,"sha":"3faf9f16fd15f74dc7cc4912bd2a3496","url":"https://img.federalregister.gov/EP09FE07.025/EP09FE07.025_large.png","height":139},"medium":{"identifier":"EP09FE07.025","content_type":"image/png","size":1116,"width":149,"sha":"43c94bc433314f62881fa723d304f751","url":"https://img.federalregister.gov/EP09FE07.025/EP09FE07.025_medium.png","height":65},"original_size":{"identifier":"EP09FE07.025","content_type":"image/png","size":780,"width":135,"sha":"cf1ae777357986a328833f1ada053f5b","url":"https://img.federalregister.gov/EP09FE07.025/EP09FE07.025_original_size.png","height":59}}},"json_url":"https://www.federalregister.gov/api/v1/documents/E7-1881?publication_date=2007-02-09","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2007-02-09/E7-1881/mods.xml","not_received_for_publication":null,"page_length":56,"page_views":{"count":207,"last_updated":"2026-08-26 14:15:05 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2007-02-09/pdf/E7-1881.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":null,"publication_date":"2007-02-09","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2007/02/09/E7-1881.txt","regulation_id_number_info":{"2060-AN97":null},"regulation_id_numbers":["2060-AN97"],"regulations_dot_gov_info":{"checked_regulationsdotgov_at":"2011-11-12T20:49:21Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":6320,"subtype":null,"title":"Standards of Performance for Fossil-Fuel-Fired Steam Generators for Which Construction Is Commenced After August 17, 1971; Standards of Performance for Electric Utility Steam Generating Units for Which Construction Is Commenced After September 18, 1978; Standards of Performance for Industrial-Commercial-Institutional Steam Generating Units; and Standards of Performance for Small Industrial-Commercial-Institutional Steam Generating Units; Reconsideration and Amendments","toc_doc":"Electric utility steam generating units and industrial-commercial-institutional steam generating units","toc_subject":"Air pollution; standards of performance for new stationary sources:","topics":["Administrative practice and procedure","Air pollution control","Environmental protection","Intergovernmental relations","Reporting and recordkeeping requirements"],"type":"Proposed Rule","volume":72}