ALAT - Chapter 4ularnews.osu.edu/files/2011/02/...Ch-4_withAnswers.pdf · • Occupational Health...
Transcript of ALAT - Chapter 4ularnews.osu.edu/files/2011/02/...Ch-4_withAnswers.pdf · • Occupational Health...
ALAT - Chapter 4
Occupational Health and Safety
Dr. Carrie Freed, DACLAM, DVM, MLAS
[email protected], 292-7319
OSHA
• Every institution with an animal research program
must have an occupational health and safety
program
• Who is OSHA?
– Department of Labor
• Occupational Health and Safety Administration
– main federal agency that enforces rules or standards related
to workplace safety
• Main areas of interest
– zoonotic disease
– allergen exposure
– accident and injury reporting
– ergonomics
• Also state and local standards apply
Other Safety Standards
• Radioactive materials
– NRC = Nuclear Regulatory Commission
• Infectious agents
– CDC = Center for Disease Control
– Biosafety in Microbiological and Biomedical Laboratories
(BMBL), published by the CDC
• Other references
– ILAR published
• Occupational Health and Safety in the Care and Use of
Research Animals
• Occupational Health and Safety in the Care and Use of
Nonhuman Primates
Occupational Health Program is usually coordinated by:
Health Screening
• Detailed questionnaire and medical history
– You should disclose allergies or medical
conditions
• 10-44 % of workers develop allergies
• Allergies -> asthma
• Pregnancy - cats/Toxoplasma gondi
• Risk Assessment
– Protecting the animals (NHP)
• Tuberculin skin test
• Ensure titer levels or be vaccinated for measles,
mumps, and influenza
– Protecting you!!
• Vaccination recommendation: Hepatitis B,
Rabies, study specific pathogens
Personal Hygiene
• Eating and drinking only in appropriate areas
• Proper storage of personal items
• Proper hand washing
• Entry and exit showers
Personal Protective Equipment
• Uniforms vs street clothes
• Appropriate footwear
• Bonnets
• Eye & Face protection
– splashes but not aerosols
• Masks & Respirators/PAPR
• Gloves
• Hearing protection (required in areas averaging
over 85 Db in 8 hours)
• Always wear appropriate PPE and follow SOPs
Respiratory protection N-95 NIOSH respirator :
-effectively limits 95% of agents
0.3 um in size
Beyond your
test info, just
FYI
Occupational Health and Safety Program
What are the risks?
•Physical
•Bite wounds, falls, equipment
Occupational Health and Safety Program
What are the risks?
•Physical
•Chemical: cleaning, disinfectants,
solvents, etc
Occupational Health and Safety Program
What are the risks?
http://idiopathicmedicine.files.wordpress.com/2010/09/needlestick1.jpeg
Sharps
Testing agents
• Pressurized gas
• Noise
– Machinery, vocal animals
• Dim lighting
• Electricity
• Radioactive materials
– Time
– Distance
– Shielding
Hazards
Hazard Prevention • Material safety data sheets (MSDS) should be
available for all chemicals used with the animal
facility
• Store and label chemical properly
• Clean up spills immediately
• Clear exits and plans
http://www.msdsonline.com/
Hazard Prevention • Know where emergency
showers and eye wash stations
are located
• How long must a body part or
eye be flushed to be considered
effective ?
– 15 minutes
– High pressure or low pressure?
– Water or Saline?
This is determined by?
– ANSI (American National
Standards Institute)?
Ergonomic Hazards • Most common type of injury: sprains and strains
aka musculo-skeletal
– Always use proper technique for lifting
• Repetitive motion injuries
– Take short frequent breaks to stretch
– Perform different tasks
• Allergens
– Symptoms include nasal discharge, itchy eyes, skin
rashes
– What are the most common allergens?
• Mouse urine, dander, fur
Infectious Hazards • What does
zoonotic mean?
– Can be transmitted
from animals to
humans
• How can zoonotic
diseases be
prevented?
– PPE and properly
following SOPs
Examples of Zoonotic Disease
• Rabies
– Caused by bites from mammals infected with virus
especially bats, raccoons, skunks, dogs, cats, ruminants
– Causes death without medical treatment
• Tuberculosis
– Caused by inhalation of aerosols or contact with broken
skin
– Transmitted by many species
• Toxoplasmosis
– Caused by ingestion or inhalation of infected cat feces or
contaminated meat
– Causes flu-like symptoms, birth defects, miscarriages
Examples of Zoonotic Disease
• Q fever – Cattle, sheep, and goats are primary host of infective
organism. Highest concentration of organism found
in female reproductive tissues and amniotic fluid of
pregnant animals
• B virus – Caused by virus present in any species of macaque
monkey
– Monkeys show no sign of disease
– Potentially fatal to humans!
– Use appropriate precautions and PPE at all times
when near macaques, caging, and wastes
Biohazardous Agents
• Agents that cause disease in humans. Animals
may be experimentally infected with these
microorganisms.
• These types of studies are conducted in
designated areas designed for safe handling and
containment of organisms.
• Require additional safety equipment and
practices when handling animals and also
their wastes and caging
Signs
• Signs are required for identification of each type
of hazardous material.
– Placed on the doors and walls
– Provide additional contact information
• ALATs should recognize the following symbols
• FIG 4.2 …
What to do in case of an accident ?
• First Aid : TOP PRIORITY
– Eye or mouth Splash
• Flush – 15 minute
– Wound from bite or scratch
• Placed under running water for 15 minutes
• Scrub with Soap
• Reporting
• Evaluation of Person
• Investigate Accident
• If you are present in the facility when a major
disaster or accident occurs, what should be
your first priority?
Preserve human life
• What type of injury can be prevented by taking
frequent short breaks to rest and stretch the
body?
• Which animal is most likely to harbor the B
virus?
• What is the minimum sound level that is
considered a noise hazard?
Repetitive motion
Macaque
85dB
THE
END