LABORATORY SAFETY Flashcards

1
Q

Also known as Public Law 91-596

A

Occupational Safety and Health Act (OSHA)

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2
Q

29 CFR 1910. 1030
-Requires employers to safeguard employees
who have a reasonably anticipated occupational
exposure to blood or other potentially infectious materials

-Mandates development of exposure control plan

A

Bloodborne Pathogens

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2
Q

29 CFR 1910. 1200
-Subpart of OSHA’s Toxic and Hazardous
Substances
-Intended to ensure that the hazards of all
chemicals used in the workplace have been
evaluated

A

Hazard Communication

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2
Q

Assume all human blood, tissue, and
most fluids are handled as if known to
be infectious for the HIV, HBV, and other
bloodborne pathogens

A

Universal precautions

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2
Q

29 CFR 1910. 1450
-Subpart of OSHA’s Toxic and Hazardous
Substances

-Intended to address the shortcomings of the
Hazard Communication Standard regarding its
application peculiar to the handling of
hazardous chemicals in laboratories

  • Requirements of the standard:
    ○ Appointment of a chemical hygiene
    officer
    ○ Development of a chemical hygiene
    plan
A

Occupational Exposure to Hazardous Chemicals in Laboratories

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3
Q
  • Formerly known as National Committee for
    Clinical Laboratory Standards
  • Provided excellent general laboratory safety and
    infection control guidelines in their documents
    GP17-A3 (Clinical Laboratory Safety; Approved
    Guideline, 2e)
A

The Clinical and Laboratory Standards Institute (CLSI)

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4
Q

-Formerly known as the Jount Commission on
Accreditation of Health Care Organizations

-Publishes yearly accreditation manual for
hospitals

  • Published the Accreditation Manual for
    Pathology and Clinical Laboratory Services
    ○ Includes a detailed section on safety
    requirements
A

The Joint Commission (TJC)

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5
Q

-Publishes an extensive inspection checklist
(Laboratory General Checklist) as part of their
Laboratory Accreditation Program
○ Includes section dedicated to laboratory
safety

A

College of American Pathologists (CAP)

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6
Q

-Required to contain and expel noxious and
hazardous fumes from chemical reagents

-Smoke testing is recommended to locate no flow or turbulent areas in working space

A

Fume Hoods

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7
Q

-Filters air that circulates

-Removes particles that may be harmful to the
employee who is working with potentially
infectious biologic specimens

A

Biosafety Cabinets (BSCs)

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8
Q

70% - recirculated to the
cabinet work area through HEPA 30% - exhausted

A

BSC II A1

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8
Q

In at front thru HEPA to
the outside or into the
room thru the HEPA

A

BSC Class I

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9
Q

30% - recirculated
70% - exhausted
Exhaust cabinet air passes thru a dedicated duct to the outside thru a HEPA filter

A

BSC II B1

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9
Q

No recirculation
Total exhaust to the
outside thru HEPA filter

A

BSC I, B2

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9
Q

TB exposure control program must be
established

A

Airborne Pathogens

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9
Q

Similar to II, A1 but has 100 lfm (linear feet/minute)
intake air velocity
Plenums are under
negative pressure to room

A

BSC II, A2

9
Q

Each employer must have a written exposure
control plan

A

Bloodborne Pathogens

10
Q

Labeled as infectious substances if the
pathogen can be readily transmitted to humans
or animals

A

Known or Suspect Infectious Specimens

10
Q

Tested as routine screening or for initial
diagnosis

A

Diagnostic Specimens

11
Q

-Published by OSHA as the new Hazard
Communication srandard

-States that employees must be informed of the
health risks associated with those chemicals in
the workplace

A

Right to Know Law

12
Q

-Contains general information on reagent

-Replaced the existing Material Safety Data Sheet
(MSDS)

-Must provide the specific compound identity,
together with all common names

A

Material Safety Data Sheet
(MSDS)

12
Q
  • Among the ost hazardous materials

-Classified according to flash point - temperature
at which sufficient vapor is given off to form an
ignitable mixture with air

A

Flammable/Combustible Chemicals

13
Q

– substances that are
cancer-causing agents

A

Carcinogens

14
Q

Class A Fires type of
Extinguisher used

A

Pressurized water
Dry chemicals

15
Q

Class B Fires type of extinguisher used

A

Dry chemical
Carbon dioxide

15
Q

Class C Fires type of extinguisher used

A

Carbon dioxide
Halon
Dry chemicals

16
Q

Class D Fires type of extinguisher used

A

Metal X

17
Q

Ordinary combustible solid materials,
such as paper, wood, plastic, and fiber

A

Class A

17
Q

Flammable liquids/gases and
combustible petroleum products

A

Class B

17
Q

Energized electrical equipment

A

Class C