Office of Worker Safety and Health Policy, AU-11: Recent Safety and Health Regulatory and Policy Response Line Clarifications October 4, 2016 HQ Facilitator Office of Worker Safety and Health Policy, AU-11: David Weitzman

Up-to-Date Standards ACGIH® TLVs® D16-05-001 ANSI® Lasers D16-05-002 Provide an Appropriate Level of Worker Protection Acceptable to Implement for Compliance With 10 CFR 851 Standards Groups Occasionally Relaxed Earlier Controls That Had No Benefit

ACGIH® TLV EXCURSION LIMITS 10 CFR 851 Requires ACGIH® TLVs® When Lower Than 29 CFR 1910 PELs TLVs® Include Using Excursion Limits for Substances with No STEL 851 Therefore Includes Using Excursion Limits Should review the documentation of the TLVs® D16-08-002

Unbound Engineered Nanoparticles (UNP) in Common Materials Engineered Nanoscale Particles Commonly Available Nano-enabled Products May Have Adverse Health Effects DOE Order 456.1 Applies to All UNP Products That Contain UNP Must Implement O 456.1 D16-04-001

Temporarily Energizing LoTo’d Equipment 10 CFR 851 Incorporates 29 CFR 1910.147 Allows Temporary Energizing for Testing or Positioning Sequence of 5 Actions Must Be Followed At Permanent Location or Maintenance Shop D15-01-001

Exposure Compliance with Respiratory Protection 10 CFR 851 Incorporates 29 CFR 1910.134(b) If Hierarchy Controls are Implemented: Documented Exposure Remains Outside Respirator Outside Exceedances are Technical Exceedances Exception: OSHA 1910.1027 Cd is Not Exceedance Documentation May Include Calculated Assigned Protection Factor D16-04-003

Respiratory Protection Requirements for Unexpected IDLH Exposure 10 CFR 851 Incorporates 1910.134(d)(3) Provide respiratory protection for reasonably foreseeable emergency Respiratory Protection for IDLH: If Work Planning Identifies Potential IDLH Not Required if Not Reasonably Foreseen D16-04-004

Response Line Web: Contact: http://www.energy.gov/ehss/safety-and-health-regulatory-and-policy-response-line Contact: Carol Sikora: carol.sikora@hq.doe.gov