| Permissible Exposure limits (PEL's) |
0.2 f/cc, 8hr. TWA
1.0 f/cc, 30-minute excursion limit
0.1 f/cc action level |
0.1 f/cc 8 hr. TWA 1.0 f/cc 30-minute excursion limit no action level |
Not applicable (N/A) |
Doesn't establish PEL's, only regulates friable ACRM |
| Exposure Assessment |
No |
Yes, competent person may make negative exposure assessment (NEA), based on NRCA's data provided material is intact and standard is complied with |
No |
No |
| Air Monitoring |
Historical data exemption |
No, if NEA produced |
No |
No |
| HEPA Vacuums |
No |
Only when roof cutter is used on aggregate-surfaced roof with roof area > 5580 ft, or material is not intact |
No |
Only when roof cutter is used on aggregate-surfaced roof with roof are > 5580ft, or material is friable |
| Wet Methods |
No |
Only when roof cutter is used or material is not intact |
No |
Only when roof cutter is used and roof area > 5580 Ft., or material is friable |
| Bagging/Wrapping |
No |
Only the dust dispersed from a roof cutter, or when material is not intact |
No |
Only the dust dispersed from a roof cutter, where roof area > 5580 ft. or material is friable |
| Lowering Material by Hand, Crane, Hoist or Enclosed (dust-tight) chute |
No |
Yes |
Yes |
Only the dust dispersed from a roof cutter, where roof area > 5580 ft. or material is friable |
| Roof Cutter Adaptations (misting into shroud, HEPA vacuuming or wet wiping) |
No |
Yes |
No |
Yes |
| Roof Level Air Intakes Isolated or Shut Down |
No |
Yes |
No |
No |
| Respirators & Protective Clothing |
No |
No, if NEA provided |
No |
No |
| Smoking Prohibition |
Yes |
Yes |
No |
No; |
| Notification -Removal |
No |
No to OSHA, Yes to employees, building owner and other employers on site |
No |
Yes to EPA, but only if roof cutter used on roof area > 5580Ft. |
| Notification - Installation |
No |
N/A products no longer manufactured |
Only if products are labeled according to (K)(7) |
No |
| Worker Training |
No |
Yes, 8 hours annually for authorized persons |
Yes, no time minimums stipulated |
No |
| Supervisor Training |
No |
Yes, EPA Supervisor course or equivalent for "competent person" |
Competent persons must be "knowledgeable", which may or may not require training. |
Yes, but only when roof cutter is used or material is friable |
| Medical Surveillance |
No |
Yes, if worker is on Class II jobs for 30 or more days per year |
No |
No |
| Record Keeping |
Limited |
Yes, for data, training and medical surveillance |
Yes, but only for installation |
Limited |
| Exemptions: Square Foot |
No |
Limited, conditional exemption where work area < 25 ft |
Limited, conditional exemption where work area < 25 ft |
160 Ft for friable material; 5580 ft when roof cutter is used |
| Residential Dwellings of Four units or less |
No |
No |
No |
Yes |