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TheSilent Killer!
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This Presentation Was Designed to Give General Information About Carbon Monoxide for:
Emergency Responders Fire EMS
Police Dispatchers, AND General Public
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This Presentation is Merely a General Informational Guide About: Carbon Monoxide (CO) CO Accidental Poisoning, AND Detection, Symptoms, Tools and Treatments
This Presentation is NOT Intended to be a Comprehensive, All Encompassing Resource about CO
More in Depth Information is Available Online and/or in Books
Please Use the Handy Reference at End of Presentation for More Information
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CO Basics- the Hidden Danger At Risk Populations Accidental Poisoning Prevention What to do when you encounter CO
Both the Public and Emergency Responders Symptoms of CO Poisoning Treatments
Civilian BLS ALS
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Understanding your CO Detector/Monitor Residential/Commercial and RAE Systems Exposure Limits
Local Statistics Charts Headlines Technical Data
Physical & Chemical Properties References
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CO is a compound of Carbon and Oxygen
One atom carbon to one atom oxygen
Colorless Odorless Tasteless POISONOUS Gas
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CO is Produced by the Incomplete Combustion of Various Fuels (Hydrocarbons) , Including:
Coal Wood Charcoal Oil Kerosene Propane Natural Gas
Note production of CO from the fire on right
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Reaction That Does Not Convert All of a Fuel's Carbon and Hydrogen Into Carbon Dioxide and Water, Respectively Example, Incomplete
Combustion of Carbon Produces Carbon Monoxide, Carbon Dioxide and Water.
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Smoldering Fires Burning Wet Wood Burning Green
Wood Lack of O2 During
Combustion Malfunctioning
Appliances Malfunctioning
Exhaust Systems
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When a Hydrocarbon Burns Completely
Usually in Environment Abundant in Oxygen
Emitting Carbon Dioxide & Water
Zero Emissions of CO Makes Indoor Gas Cook
Stoves Safe (right)Note the bright blue &
uniform flames- indication of Complete Combustion
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WATER HEATERS & FURNACES FIREPLACES
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VEHICLE EXHAUST SMOKING INDOORS
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PORTABLE GENERATORSPORTABLE PROPANE
HEATERS
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Carbon Monoxide Poisoning is the Most Common Exposure Poisoning in the United States
Carbon Monoxide is Not Easily Recognized Because the Signs and Symptoms Are Similar to Those of Other Illness
This Odorless, Colorless Gas Can Cause Sudden Illness and Death
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DUE TO THE CHANGES IN PHYSIOLOGY AND EXPOSURE, THE FOLLOWING POPULATIONS
ARE AT THE GREATEST RISK:
The Very Young The Very Old Pregnant Women & Most Important- their Fetus
Fetal Hemoglobin has an Even Higher Affinity for CO Than Adult
People With Existing Respiratory Compromise Firefighters
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DETECTORS UNITS WITH DIGITAL READOUT BETTER THAN UNITS WITHOUT
DO- Install a Battery-operated CO Detector In Your Home check or replace the
battery when you change the time on your clocks each spring and fall
If the Detector Sounds Leave Your Home Immediately and Call 911.
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DO- Have Annual Inspections of Your Solid-Fuel and/or Gas Appliances in Your Home By a Qualified Technician; Including: Home Heating Systems Water Heaters Fireplaces & Chimneys And Any Other Gas, Oil, or Coal Burning
Appliances
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DO- Seek Prompt Medical Attention If You Suspect CO Poisoning
You and/or Family Feeling: Dizzy Light-headed Nauseous
Especially if CO Alarm is Sounding
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DO NOT- Use The Following Appliances Inside Your Home, Basement, or Garage or Near a Window: Portable Generators Charcoal Grills Camp Stoves Any Other Gasoline or Charcoal-Burning
Devices
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During Power Outages Place Portable Generators at Least 50 Feet From Your Home
If Possible, Place Generator Downwind and Away From Any Openings in Your Home: Windows Doors Vents/Air Intakes
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DO NOT- Run a Car or Truck Inside a Garage Attached to Your House Even if You Leave the Garage Door Open
DO NOT- Burn Anything in a Stove Or Fireplace That Isn't Vented to the Outside
DO NOT- Attempt to Heat Your House With A Gas Oven
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If You Suspect the Presence of CO in Your Home and/or Office: Immediately Evacuate the Building of ALL People Evacuate Pets (if you can do so Safely and Quickly) Call 911- From Outside
From Cell Phone Neighbor House/Business
DO NOT Re-Enter the Building Until Safe to Do So- Typically After Building Deemed Safe by:
Fire Department, and/or Your Gas Company (such as Excel)
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DO NOTREASONS FOR CO
SUSPICION
Please Do Not Open Windows & Doors This is a Common
Reaction A Closed Building Helps
Fire/Gas Company Learn Full Exposure
Levels Potentially Locate
Source(s)
CO Detector Alarming Sudden and/or
Extreme Headache- Especially Multiple
People in Same Building For More Symptoms
See “Symptoms” Slides Later in this Presentation
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Turn On Your Gas Detector (QRAE) Perform a Fresh Air Calibration in Fresh Air Review Your Department SOP/SOG/OD
Regarding Carbon Monoxide Calls Periodically At PFA This is The Operational Directive Section
3.3.4: “Carbon Monoxide Alarm Response” Always Remember Safety First!
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If the Resident Does Not Have a Functioning CO Detector, Give Him/Her a “Portable Peace of Mind”
Instructions Are on the Back of this Unit
Be Sure the Individual Understands this Detector and its Limitations
Encourage the Resident to Purchase and Install a Battery Operated CO Detector ASAP
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Read & Understand Detector Instructions Before Use
Detectors Should Be Battery Operated or Backed Up
Check/Change Batteries Each Time you Change Your Clocks (Daylight Savings)
If your CO Detector Sounds, Call 911 For AssistanceWhile the PFA does not recommend
specific brands, we suggest detectors with digital readers give you more
accurate information than those without
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The User Should Review Monitor’s Instruction Manual Periodically
If You Have Further Questions, Refer to Your Department’s Monitor Technician(s) At PFA- Station 10
Monitor Should Be Properly Calibrated Once Per Month Anytime It’s Exposed to 200 ppm
or Higher
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A Properly Ventilated Building With Properly Functioning Appliances Should Have Zero CO Present
Generally Speaking, Levels Between 0-5 parts per million (a Measurement of Substance in Air, Indicated by the Letters- ppm) are Commonly Found Indoors and is Considered Safe
For Greater Details, Please See “Exposure Limit Details” Slides in the Technical Data Section Towards the End of This Presentation
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0 to 9 ppm- Normal No Action: Typically from multiple potential
sources 10 to 35 ppm- Marginal
This level could become problematic Actions: Occupants should leave the building
and be advised of a potential health hazard to small children, elderly people and persons suffering from respiratory or heart problems
Find source and mitigate/fix problem
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36 to 99 ppm- Excessive: Medical Alert Conditions must be mitigated Actions: Ask occupants to step outside and query
about health symptoms Call 911 Contact Gas Company and/or Contractor Advise occupants to seek medical attention
If occupants exhibit any symptoms of CO poisoning, they should be immediately transported to a medical facility
Preferably by ambulance Professionals Required From this Point On-
Fire/EMS Gas Company/Contractor
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100 – 200 ppm- Dangerous: Medical Alert Emergency conditions exist Actions: Evacuate the building immediately and
check occupants for health symptoms Call 911 All occupants Should Be Evaluated by EMS
Personnel If occupants exhibit any symptoms of CO poisoning, they
should be immediately transported to a medical facility Preferably by ambulance
Greater than 200 ppm- Very Dangerous: Medical Alert Actions: Same as Above
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• ANY OR ALL OF: • Headache• Dizziness• Irritability• Confusion/Memory
Loss• Disorientation• Nausea and
Vomiting• Abnormal Reflexes
• Difficulty in Coordinating
• Difficulty in Breathing
• Chest Pain• Cerebral Edema• Convulsions/Seizures• Coma• Death
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BE HIGHLY SUSPICIOUS OF CO POISONING IF:
Any of the Symptoms Found on Previous Slide is Present in More Than One Individual in the Building
Any of these Symptoms are Sudden (Acute)
Any of these Symptoms Accompanied by a Sounding CO Detector
If you Suspect Faulty Appliances
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Move Victims to Fresh Air Immediately this will only relieve immediate symptoms of
acute poisoning Activate the Fire/EMS System (if not
already) Administer High-Flow Oxygen Monitor Vital Signs Transport via ALS if Symptom(s) persist
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Move Victims to Fresh Air Immediately Call 911 From a Safe Location Administer High-Flow Oxygen Monitor Vital Signs Monitor Level of Consciousness Monitor for Respiratory Problems Get a Carboxyhemoglobin (Cohb) Test to
Check for Carbon Monoxide Levels in the Blood
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Consider Early Transport to a Hyperbaric Oxygen Chamber for Severely Poisoned Patients
Any Patient Found Unconscious, Seizing, or With EKG Changes and With an Associated History Should Be Treated as a Severe Carbon Monoxide Poisoning Until Proven Otherwise
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The Information in the Following Seven Slides Was Compiled by:Kevin Contreras and Gil Fisher
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63% of PFA Calls Involving CO Come in as "CO" Detector Calls
The Rest are Odor/Leak, Service or EMS Calls
On Average, 53% of Those Calls Revealed CO Levels Greater than 35ppm The CO Level at Which
Our QRAEs alarm
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1. January 2. December 3. February 4. November 5. March 6. April
7. October
8. June 9. September 10. July 11. August 12. May
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1. HVAC (44% of All CO Calls)2. Water Heater3. Other Appliances (Stove, Oven, Dryer)4. A Running Vehicle Parked in the Garage
or Drive Way (With the Front Door Open)5. Wood Stove, Fireplace (Gas or Wood)
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Other Interesting Culprits: Whole House Fans Large Fans in Windows Perhaps Most Interesting-
A Room full of Cigarette Smoke
Carboxyhemoglobin & Smokers Non-smokers Generally Have Less
Than 1.5% CO In Their Blood Smokers Tend To Have Between 3-15%
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Carbon Monoxide Is the #1 Cause for Poisoning Deaths in the U.S.
Effects of Co Poisoning Can Generally Be Experienced With as Little as 10%
According to Information Provided by Mary Makris, People Recover 4-5 Times Faster When Administered High Flow O2
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50 ppm: No Adverse Effects With 8 Hours of Exposure
200 ppm: Mild Headache After 2-3 Hours of Exposure
400 ppm: Headache and Nausea After 1-2 Hours of Exposure
1,600 ppm: Headache, Nausea, and Dizziness After 20 Minutes of Exposure
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3,200 ppm: Headache, Nausea, and Dizziness After 5-10 Minutes; Collapse and Unconsciousness After 30 Minutes of Exposure
6,400 ppm: Headache and Dizziness After 1-2 Minutes; Unconsciousness and Danger of Death After 10-15 Minutes of Exposure
12,800 ppm: Immediate Physiological Effects, Unconsciousness and Danger of Death After 1-3 Minutes of Exposure
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The Lofgren Family Photo; Parker, Caroline, Owen and Sophie
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A Prominent Denver Family Perished in a $9 Million Dollar Home in Aspen
The Family of Four All Died in Their Sleep This Tragedy Could Have Been Avoided
With the Proper Use and Installation of CO Detectors
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The Center for Disease Control and Prevention Has Concluded that Between 1999-2004 an Average of 439 Persons Died Annually From Unintentional, Non--fire-related CO Poisoning
Rates Were Highest Amongst Persons 65 Years Old and Older
The Average Number of Deaths Was Highest During January
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Molecular Weight: 28.01 Boiling Point (At 760 Mm Hg): -191.5 Degrees C
(-312.7 Degrees F) Specific Gravity (Water = 1): 1.25 at 0 Degrees
C (32 Degrees F) Vapor Density: 0.97 Freezing Point: -205 Degrees C (-337 Degrees
F) Vapor Pressure at 20 Degrees C (68 Degrees F):
Greater Than 1 Atmosphere (760 Mm Hg) Solubility: Sparingly Soluble In Water; Soluble in
Ethanol, Methanol, and Some Organic Solvents Evaporation Rate: Not Applicable
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Conditions Contributing To Instability: Heat May Cause Containers of Carbon Monoxide to Explode
Incompatibilities: Contact of Carbon Monoxide With Strong Oxidizing Agents, or Halogen Compounds Causes a Violent Reaction
Hazardous Decomposition Products: None Reported
Special Precautions: None ReportedNFPA 704
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The National Fire Protection Association Has Assigned a Flammability Rating of 4 (Severe Fire Hazard) to Carbon Monoxide
Flash Point: Not Applicable Autoignition Temperature: 609 Degrees C
(1128 Degrees F) Flammable Limits in Air (Percent By
Volume): Lower, 12.5; Upper, 74 Extinguishant: Let a Small Fire Burn Unless
the Leak Can Be Stopped Immediately. Use Water Spray, Fog, Or Regular Foam to Fight Large Fires Involving Carbon Monoxide.
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OSHA Permissible Exposure Limit (PEL) is 50 ppm of air as an 8-hour Time-Weighted Average (TWA)
NIOSH has Recommended Exposure Limit (REL) of 35 ppm as an 8-hour TWA and 200 ppm as a ceiling
ACGIH assigned a Threshold Limit Value (TLV) of 25 ppm as a TWA for a normal 8-hour workday and a 40-hour workweek
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RATIONALE AGENCIES
The NIOSH limit is based on the risk of cardiovascular effects
The ACGIH limit is based on the risk of elevated carboxyhemoglobin levels (a Condition where CO is Present in Red Blood Cells Instead of Oxygen)
OSHA- Occupational Safety & Health Admin
NIOSH- National Institute for Occupational Safety and Health
ACGIH- American Conference of Governmental Industrial Hygienists
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http://www.osha.gov/SLTC/healthguidelines/carbonmonoxide/recognition.html
http://www.carolinafirejournal.com/Articles/ArticleDetail/tabid/191/ArticleId/107/Carbon-monoxide-poisoning.aspx
http://www.carbonmonoxidekills.com/32/carbon_monoxide_facts
http://www.osha.gov/Publications/3282-10N-05-English-07-18-2007.html
http://en.wikipedia.org/wiki/Carbon_monoxide
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http://www.cdc.gov/co/ http://emergency.cdc.gov/disasters/
co_guidance.asp http://www.cdc.gov/mmwr/preview/
mmwrhtml/mm5650a1.htm http://www.homedepot.com/Buying-Guide-
Smoke-Carbon-Monoxide-Detectors/h_d1/NCC-1701/h_d2/ContentView?pn=Smoke_Carbon_Monoxide_Detectors&storeId=10051&langId=-1&catalogId=10053
http://www.osha.gov/SLTC/healthguidelines/carbonmonoxide/recognition.html