Ethylene Oxide contd.

Eto exposure can occur by ___ or ____

Liquid or inhalation

A liquid splash is mostly likely to occur during ____

Can cause ______

A canister change

Chemical burn

If you get a splash of ETO you must flush the area with running water for at least ____ min

15

Most people cannot smell ETO until it reaches a concentration of _____ - ______ ppm and it has a _____smell

500 to 750 and has a sweet smell

Inhalation of ETO can cause ____ _____ and _____

if ETO inhalation is suspected _______

Headaches, nausea and vomiting

leave the area immediately and get fresh air

guidelines for ETO monitoring is laid out in OHS O.Reg. ____

841/90

Employees can wear badges for a full 8 hour shift while they perform tasks through the day

Excursion limit monitoring involves wearing a badge for ___ min

15

8-hour, time-weighted average of ____ ppm MAX

Short-term exposure concentration of ___ ppm averaged over a ___ min period

1 ppm

10 ppm

15 minute

TRUE OR FALSE you can interrupt an ETO cycle

FALSE You should not

ETO sterilizers sold in Canada must be sold with an abator, what does the abator do?

The abator converts the ETO into water vapor and carbon dioxide before emission to outside

ETO sterilization has 4 requirements

what are they?

ETO concentration

Humidity

Temperature

Time

Because ETO is 100% water soluble, it is important to remove excess water to prevent the formation of ______

Byproducts

During ETO gas exposure, the chamber temperature should be greater than ____ degrees C or (____ degrees F)

26 degrees C or 79 degrees F

Most sterilizers are designed to operate between ____ and ____ degrees

50 degrees C (122 F) to 60 degrees C (140 F)

All ETO sterilized items must be ______

Aerated

Commonly used aeration temperatures and times

20 degrees C (room temperature) for ___ days

38 degrees C for ____ hours

50 degrees C for _____ hours

60 degrees C for ____ hours

20 = 7 days

38 = 20 hours

50 = 12 hours

60 = 8 hours

additional time is added as a _____

Safety margin