Any material, substance, particle, chemical, or other undesirable substance that is unwanted can taint, pollute or adversely affect the process or product, therefore regularly scheduled cleanings are a critical component to a well maintained facility.
Harmful contaminations take many forms such as: particulate, chemicals (including gases), electro-static discharge, bacteria, and molds. These contaminants reside in all types of data center surfaces including equipment, cable trays, ceilings, walls, floors, and subfloors.
Data center cleaning requires removing gross contamination (5 microns) as well as unseen particles (.5 microns), which could harm sensitive server, network and data storage equipment. Ensure the technicians in your facility are specially trained according to ASHRAE, ISO 14644, and IEST standards for cleaning data centers. These are complex and critical environments that normal cleaners do not have the expertise to deal with.
ASHRAE STANDARD: Particulate and Gaseous Contamination Guidelines for Data Centers
“It is incumbent on data center managers to do their part in maintaining hardware reliability by monitoring and controlling the dust and gaseous contamination in their data centers. Data centers must be kept clean to Class 8 of ISO 14644-1, Cleanrooms and Associated Controlled Environments—Part 1: Classification of Air Cleanliness
Sources of dust inside data centers should be reduced. Every effort should be made to filter out dust that has deliquescent relative humidity less than the maximum allowable relative humidity in the data center. The gaseous contamination should be within the modified severity level G1 of ANSI/ISA-71.04-1985, Environmental Conditions for Process Measurement and Control Systems: Airborne Contaminants (ISA 1985), which meets:
1. A copper reactivity rate of less than 300 Å/month and
2. A silver reactivity rate of less than 300 Å/month.
Above Referenced From: ASHRAE – Particulate and Gaseous Contamination Guidelines for Data Centers.