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Code of Federal Regulations
C.F.R. Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER C—AIR PROGRAMS
PART 53—AMBIENT AIR MONITORING REFERENCE AND EQUIVALENT METHODS
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Subpart D—Procedures for Testing Performance Characteristics of Methods for PM 10
§53.40 General provisions.
§53.41 Test conditions.
§53.42 Generation of test atmospheres for wind tunnel tests.
§53.43 Test procedures.
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