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1. Miscellaneous series. 650/9-75-001-a. World's air quality management standards: v.1, Air quality management standards of world, including United States Federal standards [with list of information sources); by Werner Martin and Arthur C. Stern.

Corporate/Agency Authors:: Environmental Protection Agency
Publisher:: Environmental Protection Agency
Date:: Oct. 1974
SuDoc number:: EP 1.23/6:650/9-75-001-a

2. Miscellaneous series. 650/9-75-001-b. World's air quality management standards: v.2, Air quality management standards of United States; by Werner Martin and Arthur C. Stern.

Corporate/Agency Authors:: Environmental Protection Agency
Publisher:: Environmental Protection Agency
Date:: Oct. 1974
SuDoc number:: EP 1.23/6:650/9-75-001-b