Anthrax Safety Training course Office of Engineering Safety Texas Engineering Experiment Station...
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Transcript of Anthrax Safety Training course Office of Engineering Safety Texas Engineering Experiment Station...
![Page 1: Anthrax Safety Training course Office of Engineering Safety Texas Engineering Experiment Station (TEES) & The Dwight Look College of Engineering “A safe,](https://reader037.fdocuments.in/reader037/viewer/2022110207/56649d4b5503460f94a287e9/html5/thumbnails/1.jpg)
Anthrax Safety Training course
Office of Engineering Safety Texas Engineering Experiment Station (TEES)
& The Dwight Look College of Engineering
“A safe, healthful, and secure environment for scholarship and research.”
Anthrax Awareness and Mail Handler Safety Training
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Our Goals
The mission of the Office of Engineering Safety is to ensure a safe & healthful environment for scholarship & research.
Purpose
To that end, the purpose of this training is to abate the risk of unnecessary exposure, by increasing awareness of hazards and the tools & techniques to prevent potential exposure.
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Biological Warfare (BW) Agents
History
• Oldest of the NBC Triad of Agents
– Nuclear, Biological & Chemical (NBC)
• Used for > 2,000 years
– Used in sieges of middle ages
– Smallpox blankets given to Native Americans
– Germany in World War I
– Japan in World War II
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Why Anthrax for Terrorism?
• Agents are readily available
• Agents are relatively easy to manufacture
• Large amount not needed in enclosed space
• Stores indefinitely
• Incident difficult to recognize
• Easily spread over large areas
• Psychological impact
• Can overwhelm existing resources
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Potential Terrorist Targets
• Enclosed spaces
• Urban areas
• Large crowds (high profile events)
• Critical facilities and infrastructure
• Accessible facilities with significant hazard / damage potential (materials in transit)
• Facilities of interest to terrorists’ cause
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Intent of Terrorism
• A classic model of economic efficiency
• To produce the maximum fear & stress
• With the least expenditure of effort & expense
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Anthrax
Fact
• Not contagious
• Very Rare--chances of getting infected are the same as they were before all the recent news stories
• Almost always successfully treated when caught in the early stages of the infection
Fiction
• It can’t happen to us
• NBC agents are so deadly the victims will all die anyway
• There is nothing we can do
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18-20
15-18
7-12
4-6 (bronchioles)
1-5 (alveoli)
Infection Severity
Particle Size (Micron, Mass
Median Diameter)
The ideal aerosol contains a homogeneous population of 2 or 3 micron particulates that contain one or more viable organisms
Maximum human respiratory infection is a particle that falls within the 1 to 5 micron size
Less Severe
More Severe
Aerosol / Infectivity Relationship
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Cutaneous Anthrax
• Enters through cut/abrasion on skin
• Usually occur within 7 days
• 95% of infections
• Symptoms
– Raised itchy bump vesicle painless ulcer with a black center
– Reddish brown sore that breaks open and forms a scab
• Deaths are rare with treatment (1%)
• Can be spread by physical contact
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Anthrax Pictures
Early Stage Anthrax
Day 7 Anthrax
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Anthrax Pictures
Anthrax Healing Anthrax
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Inhalation Anthrax
• In the lungs and respiratory system • Person-to-person transmission has never been confirmed• 1 to 6 day incubation period• Resemble cold symptoms, except no runny nose• Fever chills general discomfort, uneasiness, or ill feeling• Headache nausea & vomiting, shortness of breath cough • Congestion of the nose & throat, pneumonia • Joint stiffness joint pain• Initial improvement followed by abrupt onset of respiratory
distress, shock, and death in 24 to 36 hours• Inhalation route has highest mortality and is most likely used by
terrorists
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Gastrointestinal Anthrax
• In the stomach and intestines
• Caused by eating undercooked animal meat containing anthrax• 2 to 5 day incubation period
• Loss of appetite, fever, diffuse abdominal pain, nausea, constipation, diarrhea and vomiting.
• In 2 to 4 days, severe swelling of the abdomen develops
• Blood loss, electrolyte imbalances, subsequent shock and ultimately, death follow.
• Death occurs in 25 percent to 60 percent of cases.
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Anthrax - Treatment
• Use high dose antibiotics
– Ciprofloxacin
– Doxycycline
• Treat for 60 days
• If vaccine administered, 35-40 days
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Personal Protective Equipment (PPE)
• Gloves: disposable, non-latex gloves• MicroGrip Polyshield Purple Nitrile Gloves (#40101)
• Masks single-use, disposable, particulate respirators• Brands: 3M, Wilson, North, Moldex
• Safety Glasses:• Brow guard, solid side shields, disposable• May be worn over eyeglasses• Johnson& Johnson Barrier Protective Glasses (#10837-502)
• Clothing: Lab coat or smock• Minimum: long sleeves, long pants, closed-toe shoes
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PPE for Workers Handling Mail
• Protective, impermeable gloves should be worn by all workers handling mail
• Provide multiple sizes to assure proper fit
• Glove material (nitrile, vinyl) should be based on safety, fit, durability and comfort
• Workers should avoid touching their skin, eyes, or other mucous membranes to avoid spread of any contamination
• Workers should consider wearing long-sleeved clothing and long pants to protect exposed skin
• PPE can be discarded in regular trash unless suspicious mail is discovered
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Identifying Suspicious Packages / Letters
• Excessive postage
• Handwritten or poorly typed addresses
• Incorrect titles
• Title, but no name
• Misspellings of common words
• Oily stains, discoloration or odor
• No return address
• Excessive weight
• Lopsided or uneven envelope
• Protruding wires or aluminum foil
• Excessive security material such as masking tape, string, etc.
• Visual distractions
• Ticking sound
• Marked with restrictive endorsements, such as “Personal” or “Confidential”
• Shows a city or state in the postmark that does not match the return address
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Suspicious Mail Items
Letter & Package Indicators
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How to Handle Anthrax Threats
• To cause infection, Anthrax organisms must be rubbed into abraded skin, swallowed, or inhaled as a fine, aerosolized mist.
• Anthrax must be aerosolized into very small particles to be effective--very difficult to do
• Anthrax is not spread from one person to another person.
• Disease can be prevented after exposure to the anthrax spores by early treatment with the appropriate antibiotics.
• If there is no powder or other substance, there is no anthrax
Do Not Panic
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Suspicious Packages or Envelopes
• Do not shake or empty the contents
• PLACE the envelope or package in a plastic bag or other type of container
• If you do not have any container, then COVER the envelope or package with anything (e.g., clothing, paper, trash can, etc.) and do not remove this cover.
• LEAVE the room and CLOSE the door and keep others away
• WASH your hands with soap and water to prevent spreading any powder to your face.
• If you are at HOME, then report the incident to local police.
• If you are at WORK, then report the incident to local police, and notify your building proctor, safety officer, or an available supervisor.
• LIST all people who were in the room or area when this suspicious letter or package was recognized and give this list to the authorities
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If Powder Spills Out
• DO NOT try to CLEAN UP the powder.
• COVER the spilled contents immediately with anything and do not remove this cover!
• LEAVE the room, CLOSE the door, and keep others away
• REMOVE heavily contaminated clothing ASAP and place in a plastic bag, or some other container that can be sealed and give the bag to the emergency responders for proper handling.
• WASH exposed body parts with soap and water.
• If you are at HOME, then report the incident to local police.
• If you are at WORK, then report the incident to local police, and notify your building proctor, safety officer, or an available supervisor.
• If possible, list all people who were in the room or area, and give this list to the local authorities
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Double-Bagging of Suspicious Mail Items
• With your gloved hands…
• Carefully insert the item into a sealable plastic bag
• Large “Zip-lock” bags work well
• Have another person hold open a second bag
• Insert the sealed bag into the second bag
• Remove your protective gloves, being careful not to touch the outer surfaces
• Insert the gloves into the second bag, and seal it
• Retain the bagged items for authorities
• Wash hands thoroughly, using hot water & soap!
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TAMU Emergency Phone Numbers
http://www.tamu.edu/00/data/emerg.html
• TAMU Emergency Assistance 9-911
• University Police Department 5-2345
• TAMU — EHSD 5-2132
• Maintenance Service 5-4311
• Office of Engineering Safety 5-4986
• Engineering Facilities Office 5-5568
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Sources
• US Department of Health & Human Services
• Centers for Disease Control & Prevention (CDC)
• http://www.bt.cdc.gov/learningresources.asp
• Federal Bureau of Investigation (FBI)
• http://www.fbi.gov/
• National Domestic Preparedness Office
• http://www.ndpo.gov/
• US Postal Service (USPS)
• http://www.usps.gov/
• Federal emergency Management Agency (FEMA)
• http://www.fema.gov/
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Remember
• Use Common Sense!
• Use Reasonable Precautions!
• Wash Your Hands!
• Don’t Live in Fear!
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Prepared by:
http://engineering.tamu.edu/safety/
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Anthrax Safety Training Course
Office of Engineering Safety Texas Engineering Experiment Station (TEES)
& The Dwight Look College of Engineering
“A safe, healthful, and secure environment for scholarship and research.”
Anthrax Awareness and Mail Handler Safety Training