{"data":{"id":"us/29-cfr-appendix-a-to-subpart-t-of-part-1910","jurisdiction":"us","citation":"29 CFR Appendix A to Subpart T of Part 1910","heading":"Appendix A to Subpart T of Part 1910—Examples of Conditions Which May Restrict or Limit Exposure to Hyperbaric Conditions","body":"The following disorders may restrict or limit occupational exposure to hyperbaric conditions depending on severity, presence of residual effects, response to therapy, number of occurrences, diving mode, or degree and duration of isolation.\nHistory of seizure disorder other than early febrile convulsions.\nMalignancies (active) unless treated and without recurrence for 5 yrs.\nChronic inability to equalize sinus and/or middle ear pressure.\nCystic or cavitary disease of the lungs.\nImpaired organ function caused by alcohol or drug use.\nConditions requiring continuous medication for control (e.g., antihistamines, steroids, barbiturates, moodaltering drugs, or insulin).\nMeniere's disease.\nHemoglobinopathies.\nObstructive or restrictive lung disease.\nVestibular end organ destruction.\nPneumothorax.\nCardiac abnormalities (e.g., pathological heart block, valvular disease, intraventricular conduction defects other than isolated right bundle branch block, angina pectoris, arrhythmia, coronary artery disease).\nJuxta-articular osteonecrosis.","path":["Title 29—Labor","Subtitle B—Regulations Relating to Labor","CHAPTER XVII—OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","PART 1910—OCCUPATIONAL SAFETY AND HEALTH STANDARDS","Subpart T—Commercial Diving Operations"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-29.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:20Z","sha256":"dba921af11789add04e35ec3abe31a872e2346a9438aacda5d78d9fc3f1b37e9","source_id":"us-cfr","stale":true,"prev":"us/29-cfr-1910.440","next":"us/29-cfr-appendix-b-to-subpart-t-of-part-1910"},"notice":"GroundRules: Original legal text. Not legal advice."}