ISO/IEC TS 22237-4:2018

ISO/IEC TS 22237-4:2018 addresses environmental control within data centres based upon the criteria and classifications for "availability", "security" and "energy efficiency enablement" within ISO/IEC TS 22237-1.
ISO/IEC TS 22237-4:2018 specifies requirements and recommendations for the following:
a)    temperature control;
b)    fluid movement control;
c)    relative humidity control;
d)    particulate control;
e)    vibration;
f)     floor layout and equipment locations;
g)    energy saving practices;
h)    physical security of environmental control systems.
Issues related to electromagnetic environment can be found in ISO/IEC TS 22237-6.