Lead, Asbestos & Silica Safety Flashcards

A restoration contractor discovers suspected ACM during water damage remediation. What is the FIRST action they should take?

Answer: Stop work, secure the area, and have the material tested by a licensed inspector

Work must stop immediately upon discovery of suspected ACM; the area must be secured and material tested by a licensed inspector before work resumes.

What is the purpose of a 'negative pressure enclosure' during asbestos abatement?

Answer: To maintain air pressure lower inside than outside to prevent fiber escape

Negative pressure enclosures maintain lower air pressure inside than outside, ensuring air flows in rather than out, preventing fiber release to surrounding areas.

Under OSHA's lead standard for construction, what blood lead level (BLL) triggers mandatory medical removal of a worker?

Answer: 40 µg/dL

OSHA requires medical removal when a worker's blood lead level reaches or exceeds 50 µg/dL, or when a physician recommends removal at 40 µg/dL.

Which disease is specifically associated with long-term silica dust inhalation?

Answer: Silicosis

Silicosis is the occupational lung disease caused by inhaling crystalline silica dust, resulting in lung scarring and reduced lung function.

What is 'glove bag' technique used for in asbestos remediation?

Answer: Removing small sections of asbestos pipe insulation in a controlled manner

A glove bag is a pre-fabricated device that allows workers to remove short sections of asbestos pipe insulation while maintaining containment.

Under the RRP Rule, how long must renovation firms retain records of compliance (e.g., test reports, training certifications)?

Answer: 3 years

EPA RRP Rule requires certified renovation firms to retain records for a minimum of 3 years following completion of the renovation.

Which engineering control is specifically listed in OSHA Table 1 (29 CFR 1926.1153) for using a handheld power saw to cut fiber-cement board containing silica?

Answer: HEPA vacuum shroud with integrated dust collection on the saw

OSHA Table 1 specifies a HEPA vacuum with shroud or equivalent local exhaust for handheld power saws cutting fiber-cement board.