1910 Subpart U - COVID–19

1910 Subpart U - COVID–19

Appendix A to Subpart T of Part 1910 - Examples of Conditions Which May Restrict or Limit Exposure to Hyperbaric Conditions

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.

History of seizure disorder other than early febrile convulsions.

Malignancies (active) unless treated and without recurrence for 5 yrs.

This occupational health standard establishes requirements for employers to control occupational exposure to methylene chloride (MC). Employees exposed to MC are at increased risk of developing cancer, adverse effects on the heart, central nervous system and liver, and skin or eye irritation. Exposure may occur through inhalation, by absorption through the skin, or through contact with the skin. MC is a solvent which is used in many different types of work activities, such as paint stripping, polyurethane foam manufacturing, and cleaning and degreasing.

Appendix D to § 1910.1050 - Sampling and Analytical Methods for MDA Monitoring and Measurement Procedures

Appendix C to § 1910.1050 - Medical Surveillance Guidelines for MDA

1. Route of Entry

   Inhalation; skin absorption; ingestion. MDA can be inhaled, absorbed through the skin, or ingested.

2. Toxicology

Appendix B to § 1910.1050 - Substance Technical Guidelines, MDA

Common operations in which exposure to MDA is likely to occur include the following: Manufacture of MDA; Manufacture of Methylene diisocyanate; Curing agent for epoxy resin structures; Wire coating operations; and filament winding.