An employee working with chemicals that can cause eye damage must wear eye protection with what minimum impact resistance rating?
Correct Answer
D) ANSI Z87.1
OSHA requires eye protection to meet ANSI Z87.1 standards for impact resistance when employees are exposed to eye hazards from chemicals, particles, or other workplace dangers.
Why This Is the Correct Answer
ANSI Z87.1 is the OSHA-required standard for occupational eye and face protection. It specifies impact resistance, optical quality, and chemical splash resistance. OSHA's 29 CFR 1926.102 explicitly requires that eye and face protection meet ANSI Z87.1, making it the correct answer for any chemical eye hazard situation on a construction site.
Why the Other Options Are Wrong
Option A: ANSI Z89.1
ANSI Z89.1 is the standard for industrial head protection (hard hats), not eye protection. Confusing Z89.1 and Z87.1 is a common exam trap since the numbers are similar.
Option B: ANSI Z41.1
ANSI Z41.1 is the standard for protective footwear (safety-toed shoes and boots), not eye protection. It covers impact and compression resistance for foot protection.
Option C: ANSI Z358.1
ANSI Z358.1 covers emergency eyewash and shower equipment — the fixed stations used to flush eyes after chemical exposure — not the personal protective eyewear worn during the task.
Memory Technique
Think '87 = Eyes wide open' — 87 looks like two eyes (8) with a nose (7). Or: Z87.1 = '87 vision-critical year' since clear eyesight is the goal. Associate Z89 with 'hard hat' by noting 89 is higher than 87, just like a hard hat sits higher on your body than your eyes.
More NASCLA Questions
How long should daily reports and project correspondence typically be retained after project completion?
Which AIA document contains the general conditions that govern the rights and responsibilities of all parties in a construction contract?
A construction company has direct labor costs of $85,000, direct materials of $120,000, and overhead costs of $45,000 for a project. What is the total job cost?
What is the primary purpose of job cost accounting in construction?
A construction company has current assets of $350,000 and current liabilities of $280,000. What is the company's working capital?
In CSI MasterFormat, which division covers earthwork and site preparation?
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In a mechanical drawing, what does 'CFM' typically measure?
In CSI MasterFormat Division 08, which of the following would typically be included?
On a mechanical plan, what does the symbol 'RTU' typically indicate?
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