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FEDERAL · 40 CFR

Part 53 — Ambient Air Monitoring Reference and Equivalent Methods

47 sections · Title 40: Protection of Environment

§ 53.1Definitions.
§ 53.2General requirements for a reference method determination.
§ 53.3General requirements for an equivalent method determination.
§ 53.4Applications for reference or equivalent method determinations.
§ 53.5Processing of applications.
§ 53.6Right to witness conduct of tests.
§ 53.7Testing of methods at the initiative of the Administrator.
§ 53.8Designation of reference and equivalent methods.
§ 53.9Conditions of designation.
§ 53.10Appeal from rejection of application.
§ 53.11Cancellation of reference or equivalent method designation.
§ 53.12Request for hearing on cancellation.
§ 53.13Hearings.
§ 53.14Modification of a reference or equivalent method.
§ 53.15Trade secrets and confidential or privileged information.
§ 53.16Supersession of reference methods.
§ 53.20General provisions.
§ 53.21Test conditions.
§ 53.22Generation of test atmospheres.
§ 53.23Test procedures.
§ 53.30General provisions.
§ 53.31§ 53.31 [Reserved]
§ 53.32Test procedures for methods for SO<sub>2</sub>, CO, O<sub>3</sub>, and NO<sub>2</sub>.
§ 53.33Test Procedure for Methods for Lead (Pb).
§ 53.34Test procedure for methods for PM<sub>10</sub> and Class I methods for PM <sub>2.5</sub>.
§ 53.35Test procedure for Class II and Class III methods for PM <sub>2.5</sub> and PM <sub>−2.5</sub>.
§ 53.40General provisions.
§ 53.41Test conditions.
§ 53.42Generation of test atmospheres for wind tunnel tests.
§ 53.43Test procedures.
§ 53.50General provisions.
§ 53.51Demonstration of compliance with design specifications and manufacturing and test requirements.
§ 53.52Leak check test.
§ 53.53Test for flow rate accuracy, regulation, measurement accuracy, and cut-off.
§ 53.54Test for proper sampler operation following power interruptions.
§ 53.55Test for effect of variations in power line voltage and ambient temperature.
§ 53.56Test for effect of variations in ambient pressure.
§ 53.57Test for filter temperature control during sampling and post-sampling periods.
§ 53.58Operational field precision and blank test.
§ 53.59Aerosol transport test for Class I equivalent method samplers.
§ 53.60General provisions.
§ 53.61Test conditions.
§ 53.62Test procedure: Full wind tunnel test.
§ 53.63Test procedure: Wind tunnel inlet aspiration test.
§ 53.64Test procedure: Static fractionator test.
§ 53.65Test procedure: Loading test.
§ 53.66Test procedure: Volatility test.