Table 7: Sample Exposure Levels
Potential Substances
Typical Work Setting
Exposure Level
• Paper and fiber lint.
• Light soil, dust, and pet hair and dander
• Food residue and spills.
• Human residue from coughs, sneezes, makeup,
lotion, or hair products.
Normal office settings with desks and
chairs and moderately mobile workers.
Light exposure
• All the substances from the light exposure list,
in larger quantities.
• Possibly some substances from the heavy
exposure list.
Interactive work settings with lots of
human contact, such as medical
outpatient facilities, restaurants,
hotels, light manufacturing, schools,
and retail.
Medium
exposure
• All the substances from the light and medium
exposure list.
• Manufacturing materials such as metal lint and
other particulates, various types of fluids, glues
and solutions, and waste products.
• In-patient medical exposures include body
fluids and waste, medical chemicals, drugs,
and various residue from medical processes.
Highly interactive work with much
more human contact and exposure to
different types of substances.
Heavy exposure
Maintain Your Phone
To avoid substances building up on your phone, follow these steps to maintain your phone. How frequently
you follow these steps depends on your work environment and exposure to various substances.
Webex Wireless Phone 840 and 860 Administration Guide for Cisco Unified Communications Manager
17
About the Phones
Maintain Your Phone