Lead, Asbestos & Silica Safety Flashcards

What is 'accelerated silicosis' and when does it typically develop?

Answer: Silicosis developing within 5–10 years from exposure to high silica concentrations

Accelerated silicosis develops within 5–10 years from exposure to high concentrations of silica, progressing faster than classic chronic silicosis.

Under the EPA RRP Rule, which of the following pre-renovation activities is specifically required before beginning work in a pre-1978 home?

Answer: Providing the homeowner with the EPA pamphlet 'Renovate Right'

RRP Rule requires certified renovators to provide occupants with the EPA 'Renovate Right' pamphlet and obtain their acknowledgment before renovation begins.

What type of asbestos-containing material is 'Category I non-friable ACM' as defined under EPA NESHAP?

Answer: Ceiling tiles, resilient floor covering, and asphalt roofing products

Category I non-friable ACM includes resilient floor coverings, ceiling tiles, and asphalt roofing that are not likely to become friable unless improperly handled.

Under OSHA's construction lead standard, what is the Action Level (AL) that triggers initial exposure monitoring requirements?

Answer: 10 µg/m³ as an 8-hour TWA

OSHA's lead action level in construction is 30 µg/m³ as an 8-hour TWA, which triggers biological monitoring and other requirements.

Which analytical method is considered the gold standard for identifying asbestos fibers in bulk material samples?

Answer: Polarized Light Microscopy (PLM)

Polarized Light Microscopy (PLM) is the EPA- and OSHA-specified standard method for identifying and quantifying asbestos in bulk material samples.

A restoration worker is demolishing drywall in a building constructed in 1972 without prior asbestos testing. Under OSHA standards, how must the employer treat this material?

Answer: Assume it contains asbestos and apply full asbestos work practices

OSHA requires employers to presume that materials in pre-1981 buildings contain asbestos unless testing by a licensed inspector proves otherwise.

What is the primary health risk associated with occupational lead exposure for restoration workers beyond respiratory effects?

Answer: Neurological damage, including cognitive impairment and peripheral neuropathy

Lead's primary systemic health risk is neurotoxicity, causing peripheral neuropathy, cognitive impairment, and in severe cases encephalopathy.