CSLB General Building (B) — All Questions

What does the Hazard Communication Standard (HazCom) require employers to provide about chemicals?

• a.Nothing
• b.Only a phone number
• c.Labels, safety data sheets, and worker training about chemical hazards✓
• d.A discount on the chemicals

The Hazard Communication Standard requires employers to inform and train workers about the hazardous chemicals they may be exposed to. This includes proper labeling, accessible Safety Data Sheets, and a written hazard communication program. Workers must be trained on how to protect themselves.

What is a Safety Data Sheet (SDS)?

• a.A payroll form
• b.A vacation request
• c.A building permit
• d.A document providing detailed hazard, handling, and emergency information about a chemical✓

A Safety Data Sheet provides detailed information about a hazardous chemical, including its hazards, safe handling, storage, first aid, and emergency measures. SDSs follow a standardized 16-section format. They must be readily accessible to workers on every shift.

How many sections does a standardized Safety Data Sheet contain under the Globally Harmonized System?

• a.5 sections
• b.50 sections
• c.3 sections
• d.16 sections✓

A standardized Safety Data Sheet contains 16 sections under the Globally Harmonized System of Classification and Labeling. The sections cover identification, hazards, composition, first aid, firefighting, handling, exposure controls, and more. This uniform format makes information easier to find.

What health hazard is associated with breathing respirable crystalline silica dust?

• a.Improved lung function
• b.Temporary sneezing only
• c.Silicosis, an incurable and sometimes fatal lung disease✓
• d.Better eyesight

Inhaling respirable crystalline silica dust can cause silicosis, an incurable and potentially fatal lung disease, as well as lung cancer and other illnesses. Silica is released when cutting, grinding, or drilling concrete, brick, and stone. Controlling dust at the source is critical to prevention.

Which is an effective engineering control to reduce silica exposure when cutting concrete?

• a.Working faster
• b.Using water (wet methods) or local exhaust ventilation to suppress dust✓
• c.Holding your breath
• d.Cutting in an enclosed room with no ventilation

Wet cutting methods and tools with local exhaust ventilation and vacuum dust collection are effective engineering controls that keep silica dust out of the air. These controls are preferred over relying on respirators alone. Reducing dust at the source protects everyone nearby.

When engineering controls cannot reduce silica below safe levels, what additional protection is used?

• a.A properly selected and fit-tested respirator✓
• b.No protection
• c.A cloth bandana
• d.Sunglasses

When engineering and work-practice controls cannot reduce silica exposure to acceptable levels, a properly selected and fit-tested respirator must be used. Respirators require a program including medical evaluation, fit testing, and training. They supplement, not replace, dust controls.

What is the purpose of a respirator fit test?

• a.To ensure a tight-fitting respirator seals properly to the wearer's face✓
• b.To check the color
• c.To measure the worker's height
• d.To test breathing speed for fun

A fit test verifies that a tight-fitting respirator forms an effective seal against the wearer's face so contaminants cannot leak in. It must be done before first use and periodically thereafter. Facial hair or an improper size can break the seal and defeat protection.

What is the best way to prevent back injuries when manually handling materials?

• a.Lift with a rounded back
• b.Use proper lifting technique, mechanical aids, and team lifting for heavy loads✓
• c.Twist while carrying
• d.Lift the heaviest object alone quickly

Back injuries are prevented by using proper lifting technique, keeping the load close, lifting with the legs, and avoiding twisting. Mechanical aids like carts and hoists and team lifting should be used for heavy or awkward loads. Planning the lift and clearing the path also reduce risk.

What is a symptom of heat exhaustion that workers should recognize?

• a.Feeling energetic
• b.Improved concentration
• c.Heavy sweating, weakness, dizziness, and nausea✓
• d.No symptoms at all

Heat exhaustion symptoms include heavy sweating, weakness, dizziness, headache, nausea, and clammy skin. Affected workers should move to a cool area, rest, and drink water. If symptoms worsen or confusion appears, it may signal heat stroke, a medical emergency.

What are the key elements of preventing heat illness on the job?

• a.Working nonstop in the sun
• b.Wearing heavy dark clothing
• c.Skipping breaks
• d.Water, rest, and shade✓

The key elements of heat illness prevention are water, rest, and shade, along with acclimatization for new or returning workers. Workers should drink water regularly, take breaks in shaded or cool areas, and watch for symptoms in themselves and others. Gradually building tolerance to heat is especially important.

What does an occupational noise exposure program aim to prevent?

• a.Better hearing
• b.Faster work
• c.Louder equipment
• d.Noise-induced hearing loss through monitoring, controls, and hearing protection✓

A hearing conservation program aims to prevent permanent noise-induced hearing loss. It includes noise monitoring, engineering and administrative controls, hearing protection, audiometric testing, and training. Hearing loss from noise is permanent but entirely preventable.

Which pictogram on a chemical label under GHS indicates a serious health hazard such as carcinogenicity?

• a.A smiley face
• b.A dollar sign
• c.A human silhouette with a star-burst on the chest (health hazard symbol)✓
• d.A clock

The GHS health hazard pictogram shows a human silhouette with a star-burst on the chest and warns of serious health effects such as carcinogenicity, respiratory sensitization, or organ toxicity. Recognizing GHS pictograms helps workers quickly understand chemical dangers. Each pictogram has a red diamond border.

What should a written hazard communication program include?

• a.Only a list of employees
• b.A chemical inventory, labeling system, SDS access, and employee training plan✓
• c.Only the company logo
• d.A lunch menu

A written hazard communication program must describe how the employer will maintain a chemical inventory, ensure containers are labeled, keep Safety Data Sheets accessible, and train employees. It ties together all elements of the HazCom standard. The program must be available to workers on request.

Why is it important to keep containers of hazardous chemicals properly labeled?

• a.So workers can identify the contents and hazards and take proper precautions✓
• b.For decoration
• c.To increase the price
• d.To make them heavier

Proper labeling ensures workers can quickly identify a chemical and its hazards so they can handle, store, and dispose of it safely. Labels must include the product identifier, signal word, hazard statements, and pictograms. Unlabeled or mislabeled containers are a serious and common violation.

What is the main hazard of working in a poorly ventilated area with solvents or fumes?

• a.Inhalation of toxic vapors that can cause illness or asphyxiation✓
• b.Better air quality
• c.Stronger materials
• d.Cooler temperatures

Poor ventilation allows toxic vapors, fumes, or gases to accumulate, which can cause illness, unconsciousness, or asphyxiation. Adequate ventilation, respiratory protection, and atmospheric monitoring reduce the risk. Solvent vapors may also create fire and explosion hazards.

What is 'acclimatization' in the context of working in hot environments?

• a.Instantly working full shifts in heat
• b.Gradually building the body's tolerance to heat over several days✓
• c.Avoiding all water
• d.Wearing more layers

Acclimatization is the process of gradually increasing a worker's exposure to heat over about one to two weeks so the body adapts. New workers and those returning from time off are at highest risk before they acclimatize. Many heat fatalities occur in a worker's first few days on the job.

How should hazardous materials generally be stored to reduce risk?

• a.Mixed together to save space
• b.In open buckets
• c.According to compatibility, with incompatible chemicals separated and containers labeled✓
• d.Near ignition sources

Hazardous materials should be stored according to their compatibility, keeping incompatible chemicals such as acids and bases separated to prevent dangerous reactions. Containers must be closed, labeled, and kept away from ignition sources where flammable. Safety Data Sheets provide storage guidance for each material.

What is the purpose of medical surveillance for workers exposed to certain health hazards?

• a.To reduce wages
• b.To increase work hours
• c.To replace ventilation
• d.To detect early signs of illness so exposure can be reduced before serious harm occurs✓

Medical surveillance monitors workers exposed to hazards such as silica, lead, or asbestos to detect early signs of illness. Early detection allows intervention before disease becomes serious or irreversible. It also helps evaluate whether workplace controls are effective.