{"data":{"id":"us/33-cfr-159.103","jurisdiction":"us","citation":"33 CFR 159.103","heading":"Vibration test.","body":"The device, with liquid retention components, if any, filled with water to one-half of their volume, must be subjected to a sinusoidal vibration for a period of 12 hours, 4 hours in each of the x, y, and z planes, at the resonant frequency of the device (or at 55 cycles per second if there is no resonant frequency between 10 to 60 hertz) and with a peak amplitude of 0.019 to 0.021 inches.","path":["Title 33—Navigation and Navigable Waters","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER O—POLLUTION","PART 159—MARINE SANITATION DEVICES","Subpart C—Design, Construction, and Testing"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-33.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:35Z","sha256":"726eaf5d34975d62c96a3d312c5fc4763e57f6b80e67c995c6248901735db2c0","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-159.101","next":"us/33-cfr-159.105"},"notice":"GroundRules: Original legal text. Not legal advice."}