{"data":{"id":"us/40-cfr-204.55-3","jurisdiction":"us","citation":"40 CFR 204.55-3","heading":"-3 Configuration identification.","body":"(a) A separate compressor configuration shall be determined by each combination of the following parameters:\n(1) The compressor type (screw, sliding vane, etc.).\n(2) Number of compressor stages.\n(3) Maximum pressure (psi).\n(4) Air intake system of compressor:\n(i) Number of filters;\n(ii) Type of filters.\n(5) The engine system:\n(i) Number of cylinders and configuration (L-6, V-8, V-12);\n(ii) Displacement;\n(iii) Horsepower;\n(iv) Full load rpm.\n(6) Type cooling system, e.g., air cooled, water cooled.\n(7) Fan:\n(i) Diameter;\n(ii) Maximum fan rpm.\n(8) The compressor enclosure:\n(i) Height, length, and width;\n(ii) Acoustic material manufacturer, type, part number.\n(9) The induction system (engine):\n(i) Natural;\n(ii) Turbocharged.\n(10) The muffler:\n(i) Manufacturer;\n(ii) Manufacturer part number;\n(iii) Quantity of mufflers used;\n(11) Category parameters listed at § 204.55-2.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER G—NOISE ABATEMENT PROGRAMS","PART 204—NOISE EMISSION STANDARDS FOR CONSTRUCTION EQUIPMENT","Subpart B—Portable Air Compressors"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"e969f446f72c88657985f9eec799d8ca0e146dcc14ab13db399598ea165a9e8f","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-204.55-2","next":"us/40-cfr-204.55-4"},"notice":"GroundRules: Original legal text. Not legal advice."}