Asbestos - Rules of Abatement - Oregon OSHA

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Provision Class I Class II Class III Class IV Decontamination procedures (continued) • Drop cloths required • Area must accommodate cleanup • Must decontaminate all personal protective equipment • Must enter regulated area through equipment room/ decon area • No smoking in work area Required work practices and engineering controls • Wet methods • HEPA vacuum • Prompt cleanup/ disposal • Wet methods • HEPA vacuum • Prompt cleanup/ disposal • Wet methods • HEPA vacuum • Prompt cleanup/ disposal • Wet methods • HEPA vacuum • Prompt cleanup/ disposal Required work practices and engineering controls to comply with PEL • HEPA local exhaust • Enclosure • Directed ventilation • Other work practices • Supplement with respirators • HEPA local exhaust • Enclosure • Directed ventilation • Other work practices • Supplement with respirators • HEPA local exhaust • Enclosure • Directed ventilation • Other work practices • Supplement with respirators • HEPA local exhaust • Enclosure • Directed ventilation • Other work practices • Supplement with respirators DEQ/LRAPA Friable • Wet methods • HEPA equipment • Prompt cleanup • Disposal at an authorized landfill • Wet methods • HEPA equipment • Prompt cleanup • Disposal at an authorized landfill DEQ/LRAPA Nonfriable • Wet methods • HEPA equipment • Prompt cleanup • Disposal at an authorized landfill • Wet methods • Remove intact • Prompt cleanup • Disposal at an authorized landfill 36
Provision Class I Class II Class III Class IV Prohibited work practices and engineering controls • High-speed abrasive disc saws without HEPA • Compressed air without capture device • Dry sweeping/ shoveling • Employee rotation • High-speed abrasive disc saws without HEPA • Compressed air without capture device • Dry sweeping/ shoveling • Employee rotation • High-speed abrasive disc saws without HEPA • Compressed air without capture device • Dry sweeping/ shoveling • Employee rotation • High-speed abrasive disc saws without HEPA • Compressed air without capture device • Dry sweeping/ shoveling Controls and work practices • Critical barriers/ isolation methods required if: - > 25 linear feet or 10 square feet of thermal insulation or surfacing materials removal - < 25 linear feet or 10 square feet of thermal insulation or surfacing materials removal only if no NEA or adjacent workers For indoor work only: • Critical barriers/ isolation methods required if: - no NEA - likely >PEL -nonintact removal • Drop cloths required If >PEL, must use: • Local HEPA exhaust • Process isolation • Directed ventilation controls supplemented with respirators • Critical barriers required if: - no NEA - PEL via monitoring • Drop cloths required • Local HEPA exhaust required Enclosure or isolation of operation required if: • TSI or SM is drilled, cut, abraded, sanded, sawed, or chipped • See Required Work Practices and Engineering Controls Class I and II continue on page 38 DEQ/LRAPA Friable • Employee rotation • Dry removal • Open storage or accumulation of friable asbestos materials or asbestos-containing waste material • Disposal at a site not authorized to handle asbestos waste • File DEQ notification and fee • Negative-pressure containment • Disposal packaging • Waste shipment form DEQ/LRAPA Nonfriable • Dry removal • Open storage or accumulation of friable asbestos materials or asbestos-containing waste material • Disposal at a site not authorized to handle asbestos waste • File DEQ notification and fee • Follow DEQ guidance • Waste shipment form suggested 37
Page 1: Asbestos — Rules of Abatement Wha
Page 5 and 6: Table of Contents Background.......
Page 7 and 8: Approximately 3.2 million workers i
Page 9 and 10: specific work practices for those r
Page 11 and 12: Initial exposure assessments The de
Page 13 and 14: A licensed physician must perform o
Page 15 and 16: Other recordkeeping requirements Em
Page 17 and 18: An employer performing work in a re
Page 19 and 20: Employee information and training E
Page 21 and 22: Methods of compliance Control measu
Page 23 and 24: • Water spray process systems may
Page 25 and 26: Employers must ensure that employee
Page 27 and 28: In Class I regulated areas where a
Page 29 and 30: Hygiene facilities Decontamination
Page 31 and 32: Appendix — quick reference of pro
Page 33 and 34: Provision Class I Class II Class II
Page 35: Provision Class I Class II Class II
Page 39 and 40: Provision Class I Class II Class II
Page 41 and 42: Public Education & Conferences •
Page 44: 440-2129 (11/07) OR-OSHA

Asbestos - Rules of Abatement - Oregon OSHA

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