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What is the OSHA Hazard Communication Standard (HCS)?
A: OSHA's Hazard Communication Standard (29 CFR 1910.1200) ensures employees know about hazardous chemicals in the workplace through:
Chemical labeling
Safety Data Sheets (SDS)
Employee training
Hazard inventories
Why is HazCom called the "Right-to-Know" law?
Because employees have the right to know:
What hazardous chemicals they work with
Health hazards
Protective measures
Emergency procedures
What are the major components of HazCom?
Written Hazard Communication Program
Chemical inventory
Container labels
SDS (formerly MSDS)
Employee training
What is TWA
Time waited Average exposure to a substance over an 8-hour workday and 40-hour workweek.
Example: If exposure fluctuates during the day, TWA calculates the average amount inhaled.
What is STEL?
Short-Term Exposure Limit, Maximum concentration a worker may be exposed to for:
15 minutes
No more than 4 times per day
At least 60 minutes between exposures
What is PEL?
Permissible Exposure Limit, OSHA's legally enforceable limit for worker exposure to hazardous substances.
Purpose:
Protect workers from adverse health effects.
What is formaldehyde?
A colorless, strong-smelling chemical used in:
Preserving specimens
Embalming
Manufacturing
Health effects of formaldehyde exposure?
Short-term:
Eye irritation
Nose irritation
Skin burns
Breathing difficulty
Long-term:
Asthma
Sensitization
Cancer
What OSHA standard covers formaldehyde?
OSHA Formaldehyde Standard:
29 CFR 1910.1048
What is an Action Level?
Exposure level that triggers specific OSHA requirements before the PEL is reached.
Purpose:
Medical surveillance
Monitoring
Training
Formaldehyde action level?
0.5 ppm TWA over 8 hours.
What are Universal Precautions?
Treat all human blood and certain body fluids as if infectious.
Why use Universal Precautions?
To prevent transmission of:
HIV
HBV
HCV
Other bloodborne pathogens
What is an exposure incident?
Specific contact with blood or potentially infectious materials through:
Needle stick
Splash to eyes
Splash to mouth
Broken skin exposure
What should happen after exposure
Wash area immediately
Report incident
Medical evaluation
Documentation
Follow-up care
What is the Bloodborne Pathogens Standard?
OSHA regulation 29 CFR 1910.1030 designed to protect workers from infectious materials.
Major requirements?
Exposure Control Plan
Universal Precautions
PPE
Training
HBV vaccination
Sharps safety
Recordkeeping
What is an irritant
Chemical causing temporary inflammation.
Examples:
Ammonia
Formaldehyde
Symptoms:
Red eyes
Coughing
Skin irritation
What is a sensitizer?
Substance causing allergic reaction after repeated exposure.
Examples:
Latex
Formaldehyde
Symptoms:
Asthma
Skin rash
What is a corrosive?
Chemical that destroys tissue on contact.
Examples:
Sulfuric acid
Sodium hydroxide
Effects:
Burns
Permanent eye damage
What information is maintained in training records?
Employee name
Training dates
Instructor qualifications
Training content
Why are training records important
OSHA compliance
Proof of employee education
Documentation during inspections
What is a sharps container?
Special container for disposal of:
Needles
Scalpel blades
Broken contaminated glass
Characteristics of sharps container
Puncture resistant
Leak proof
Labeled biohazard
Closable
What does IDLH mean
Immediately Dangerous to Life or Health
A: Atmosphere that:
Threatens life
Causes irreversible health effects
Prevents escape
What was SDS?
Safety Data Sheet.
Purpose of SDS?
Provides information about:
Hazards
Safe handling
PPE
First aid
Emergency procedures
How many sections are in SDS?
16 standardized sections.
Important sections:
Identification
Hazards
First Aid
Exposure Controls/PPE
Toxicological Information
What is a chronic health hazard?
Health effect resulting from repeated or long-term exposure.
Difference between acute and chronic?
Acute = immediate effect
Chronic = develops over time
What are engineering controls?
Remove hazard at its source.
Examples:
Ventilation systems
Biosafety cabinets
Fume hoods
Safety-engineered sharps
What is PPE?
Personal Protective Equipment
Equipment worn to reduce exposure to hazards.
Examples:
Gloves
Gowns
Face shields
Safety glasses
Respirators
Employer responsibilities?
Provide PPE
Train employees
Ensure proper use
What is an OSHA standard
: A legally enforceable workplace safety requirement.
What is PEL?
Maximum legal amount of a substance workers may be exposed to
What is HBV?
Hepatitis B Virus
Virus that infects the liver.
Is there a vaccine to HBV
Yes. OSHA requires employers to offer the Hepatitis B vaccine to employees with occupational exposure.
What is a preparation room?
Area where specimens are prepared, dissected, embalmed, or stored.
What are employee medical records?
Records concerning employee health and workplace exposure.
How long must records be maintained?
Duration of employment + 30 years (OSHA requirement for many exposure records).
What is a carcinogen?
Substance capable of causing cancer.
What is the OSHA Act?
Occupational Safety and Health Act of 1970.
Ensure safe and healthful working conditions for workers.
What rights do employees have under the OSHA Act
Safe workplace
Training
Access to records
Report hazards
File complaints without retaliation
What responsibilities do employers have?
Provide safe workplace
Follow OSHA standards
Train employees
Provide PPE
Correct hazards