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Particulate contamination
Attention: Airborne particulates (including metal akes or particles) and reactive gases acting alone or in
combination with other environmental factors such as humidity or temperature might pose a risk to the
server that is described in this document. Risks that are posed by the presence of excessive particulate
levels or concentrations of harmful gases include damage that might cause the server to malfunction or
cease functioning altogether. This specication sets forth limits for particulates and gases that are intended
to avoid such damage. The limits must not be viewed or used as denitive limits, because numerous
other factors, such as temperature or moisture content of the air, can inuence the impact of particulates
or environmental corrosives and gaseous contaminant transfer. In the absence of specic limits that are
set forth in this document, you must implement practices that maintain particulate and gas levels that are
consistent with the protection of human health and safety. If Lenovo determines that the levels of particulates
or gases in your environment have caused damage to the server, Lenovo may condition provision of repair
or replacement of servers or parts on implementation of appropriate remedial measures to mitigate such
environmental contamination. Implementation of such remedial measures is a customer responsibility.
Appendix A. Notices 89