HMIS use in meeting the in-plant labeling requirements of the HCS.

An OSHA interpretation letter responding to whether the NPCA's Hazardous Materials Information System (HMIS) may be used to meet the in-plant labeling requirements of the Hazard Communication Standard. It states that HMIS use is acceptable if the entire program is effective and the correct numerical ratings are applied, and that shipped containers must also include target organ effects and the…