A704 CO Incidents

Question 1

symptoms of acute CO exposure can present at what CoHb levels?

Answer 1

3%-24%

Question 2

OSHA recommended max allowable COHb level for a healthy worker is __.

Answer 2

5%

Question 3

What is the CO Threshold Limit Value according to the American Conference of Governmental Industrial Hygienists?

Answer 3

25 ppm as a TWA for a 8-hour workday/40-hour work week

Question 4

According to EPA, CO levels in homes with gas stoves varies from ____. Levels near properly adjusted stoves are ____, and levels near poorly adjusted stoves may be ___.

Answer 4

.5 to 5 ppm
5 to 15 ppm
30 ppm or higher

Question 5

What are the CPSC CO Alarm standards?

Answer 5

• MUST sound at exposures expected to reach 10% COHb in heavily exercised individual
• CANNOT sounds when exposed to 30 ppm for few than 30 days, or at 70 ppm for less than one hour.

Question 6

Occupants will not allowed to remain in or return to a structure with CO readings over

Answer 6

25 ppm

Question 7

SCBAs will be worn with CO readings over

Answer 7

25 ppm

Question 8

Complete the ___ for documentation when mitigating a CO Incident.

Answer 8

AFD CO Checklist

Question 9

Potential sources for elevated CO:

Answer 9

gas appliances
internal combustion engines
charcoal grill

Question 10

If the source of elevated CO levels cannot be found, advise the resident to ___.

Answer 10

call an HVAC co immediately

Question 11

CO alarms manufactured before ___ should be replaced.

Answer 11

oct 1, 1998

Question 12

AFD CO Checklist can be found where?

Answer 12

SpecOps page