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.
Table 31. Limits for particulates and gases
Contaminant | Limits |
|
|
Particulate | • The room air must be continuously filtered with 40% atmospheric dust spot efficiency |
| (MERV 9) according to ASHRAE Standard 52.21. |
| • Air that enters a data center must be filtered to 99.97% efficiency or greater, using |
| |
| • The deliquescent relative humidity of the particulate contamination must be more than 60%2. |
| • The room must be free of conductive contamination such as zinc whiskers. |
|
|
Gaseous | • Copper: Class G1 as per ANSI/ISA |
| • Silver: Corrosion rate of less than 300 Å in 30 days |
|
|
1ASHRAE
2The deliquescent relative humidity of particulate contamination is the relative humidity at which the dust absorbs enough water to become wet and promote ionic conduction.
3
Compliance with Republic of Turkey Directive on the Restriction of Hazardous Substances
Meets requirements of the Republic of Turkey Directive on the Restriction of the Use of Certain Hazardous Substances In Electrical and Electronic Equipment (EEE).
Battery return program
This product may contain a lithium or lithium ion battery. Consult your user manual or service manual for specific battery information. The battery must be recycled or disposed of properly. Recycling facilities may not be available in your area. For information on disposal or batteries outside the United States, go to http://www.lenovo.com/lenovo/environment or contact your local waste disposal facility.
