Part Number 550-110-639/0512
28
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PEG
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EGH Gas-firEd boilErs — sEriEs 4 — boilEr manual
REMOVAL OF COMBUSTION CHAMBER LINING OR BASE PANELS
Handling berglass and ceramic ber materials
The combustion chamber lining or base insulation panels in this product contain ceramic fiber
materials. Ceramic fibers can be converted to cristobalite in very high temperature applica-
tions. The International Agency for Research on Cancer (IARC) has concluded, “Crystalline
silica inhaled in the form of quartz or cristobalite from occupational sources is carcinogenic
to humans (Group 1).”:
■ Avoid breathing dust and contact with skin and eyes.
• UseNIOSHcertieddustrespirator(N95).Thistypeofrespiratorisbasedonthe
OSHA requirements for cristobalite at the time this document was written. Other types
of respirators may be needed depending on the job site conditions. Current NIOSH
recommendations can be found on the NIOSH web site at http://www.cdc.gov/niosh/
homepage.html. NIOSH approved respirators, manufacturers, and phone numbers are
also listed on this web site.
• Wearlong-sleeved,loosettingclothing,gloves,andeyeprotection.
■ Apply enough water to the combustion chamber lining or base insulation to prevent air-
borne dust.
■ Remove combustion chamber lining or base insulation from the boiler and place it in a
plastic bag for disposal.
■ Wash potentially contaminated clothes separately from other clothing. Rinse clothes washer
thoroughly.
NIOSH stated First Aid.
■ Eye: Irrigate immediately.
■ Breathing: Fresh air.
REMOVAL OF FIBERGLASS WOOL — OR —
INSTALLATION OF FIBERGLASS WOOL, COMBUSTION CHAMBER
LINING OR BASE PANELS:
This product contains fiberglass jacket insulation and ceramic fiber materials in combustion
chamber lining or base panels in gas fired products. Airborne fibers from these materials have
been listed by the State of California as a possible cause of cancer through inhalation.
■ Avoid breathing dust and contact with skin and eyes.
• UseNIOSHcertieddustrespirator(N95).Thistypeofrespiratorisbasedonthe
OSHA requirements for fiberglass wool at the time this document was written. Other
types of respirators may be needed depending on the job site conditions. Current
NIOSH recommendations can be found on the NIOSH web site at http://www.cdc.
gov/niosh/homepage.html. NIOSH approved respirators, manufacturers, and phone
numbers are also listed on this web site.
• Wearlong-sleeved,loosettingclothing,gloves,andeyeprotection.
■ Operations such as sawing, blowing, tear out, and spraying may generate airborne fiber
concentration requiring additional protection.
■ Wash potentially contaminated clothes separately from other clothing. Rinse clothes washer
thoroughly.
NIOSH stated First Aid.
■ Eye: Irrigate immediately.
■ Breathing: Fresh air.
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