CSS Chemical Safety and Hazard Communication 3

Question 1

A chemical with a vapor density greater than 1.0 will behave in which of the following ways when released into the air?

Accepted Answer

Settle and accumulate in low-lying areas such as pits and trenches

Answer

Rise and dissipate rapidly in upper areas of a space

Answer

Ignite spontaneously when it contacts ambient air

Answer

Dissolve immediately in atmospheric moisture

Question 2

Which OSHA standard specifically governs the storage and handling of flammable and combustible liquids in general industry?

Accepted Answer

29 CFR 1910.106

Answer

29 CFR 1910.119

Answer

29 CFR 1910.1200

Answer

29 CFR 1910.146

Question 3

What is the primary purpose of a Chemical Hygiene Plan required under OSHA's laboratory standard (29 CFR 1910.1450)?

Accepted Answer

To protect laboratory employees from hazardous chemical health effects

Answer

To schedule routine cleaning and decontamination of laboratory surfaces

Answer

To document chemical inventory purchases and annual expenditures

Answer

To establish procedures for disposing of all chemical waste streams

Question 4

Under the GHS hazard category numbering system, which category number represents the MOST severe hazard?

Accepted Answer

Category 1

Answer

The highest number in the category range

Answer

Category A

Answer

The category varies by hazard class

Question 5

The Safety Data Sheet (SDS) format replaced which older document format in the United States?

Accepted Answer

Material Safety Data Sheet (MSDS)

Answer

Chemical Safety Assessment (CSA)

Answer

Hazardous Substance Fact Sheet (HSFS)

Answer

Chemical Exposure Record (CER)

Question 6

When a chemical presents multiple hazards (e.g., both flammable and acutely toxic), how must the SDS label address these hazards?

Accepted Answer

All applicable hazard information and pictograms must be included on the label

Answer

Only the most severe single hazard needs to be listed to avoid label clutter

Answer

Hazard warnings must alternate on separate label versions

Answer

NFPA 704 ratings must be substituted for GHS pictograms when multiple hazards exist

Question 7

Under OSHA's HazCom 'right-to-know' principle, which of the following best describes employees' entitlement?

Accepted Answer

Workers have the right to access information about hazardous chemicals they may be exposed to

Answer

Employees may request any company financial or operational records

Answer

Managers must approve all chemical purchase orders before procurement

Answer

All chemicals must receive OSHA written approval before being used in the workplace