{"data":{"id":"us/30-cfr-27.41","jurisdiction":"us","citation":"30 CFR 27.41","heading":"Test to determine resistance to moisture.","body":"Components, subassemblies, or assemblies, the normal functioning of which might be affected by moisture, shall be tested in atmospheres of high relative humidity (80 percent or more at 65°-75 °F.) for continuous operating and idle periods of 4 hours each. The component or subassembly or assembly shall function normally after being subjected to those tests.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER B—TESTING, EVALUATION, AND APPROVAL OF MINING PRODUCTS","PART 27—METHANE-MONITORING SYSTEMS","Subpart C—Test Requirements"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-30.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:24Z","sha256":"7162b0189ee6f4b60fa4e9645fe4130498c8f53814fc99a26f8b296325373127","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-27.40","next":"us/30-cfr-28.1"},"notice":"GroundRules: Original legal text. Not legal advice."}