An toànCâu 1303 / 1605
The OSHA permissible exposure limit for lead in construction is:
a.5 µg/m3
b.500 µg/m3
c.No limit applies to construction
d.50 µg/m3 as an 8-hour TWA
Giải thích
The lead PEL is 50 µg/m3 as an 8-hour TWA, with an action level of 30 µg/m3 that triggers exposure monitoring and other requirements. Lead is a cumulative toxin.
Trích dẫn luật: 29 CFR 1926.62(c)Luyện miễn phí toàn bộ 1605 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- The permissible exposure limit for asbestos is 0.1 fiber per cubic centimeter as an 8-hour TWA. Work disturbing asbestos is organized into:
- Which is a required control when performing higher-risk (Class I) asbestos removal?
- When workers may be exposed to lead during construction (e.g., disturbing lead-based paint), the employer must initially:
- For lead work above the action level, the employer must provide hygiene facilities so workers can:
- A permit-required confined space is a confined space that has one or more of which characteristics?
- Before entering a permit-required confined space, the entry permit must document that the atmosphere has been tested. Which is typically tested FIRST?
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Sen Lin, Người sáng lập PrepPass · Đối chiếu với California CSLB Contractor License Law & Business Exam · Quy trình kiểm tra
Người kiểm duyệt Abraham Chen — Licensed California General Contractor (CSLB License #1101856 — kiểm tra)