Appendix B to Section 1910.1052 - Medical Surveillance for Methylene Chloride

I. Primary Route of Entry

Inhalation.

II. Toxicology

Appendix F to § 1910.1051 - Medical Questionnaires (Non-Mandatory)

[Reserved]

Appendix D to § 1910.1051 - Sampling and Analytical Method for 1,3-Butadiene (Non-Mandatory)

Appendix C to § 1910.1051—Medical Screening and Surveillance for 1,3-Butadiene (Non-Mandatory)

1. Basis for Medical Screening and Surveillance Requirements
   1. Route of Entry Inhalation

   2. Toxicology

      Inhalation of BD has been linked to an increased risk of cancer, damage to the reproductive organs, and fetotoxicity. Butadiene can be converted via oxidation to epoxybutene and diepoxybutane, two genotoxic metabolites that may play a role in the expression of BD's toxic effects.

Appendix A to § 1910.1051 - Substance Safety Data Sheet For 1,3-Butadiene (Non-Mandatory)

1. Substance Identification

Appendix A to § 1910.1050 - Substance Data Sheet, for 4,4′-Methylenedianiline

I. SUBSTANCE IDENTIFICATION

A. Substance: Methylenedianiline (MDA)

B. Permissible Exposure:

1. Airborne: Ten parts per billion parts of air (10 ppb), time-weighted average (TWA) for an 8-hour workday and an action level of five parts per billion parts of air (5 ppb).

2. Dermal: Eye contact and skin contact with MDA are not permitted.

C. Appearance and odor: White to tan solid; amine odor

[Removed]