Dell E36S Series Owner's Manual page 24

Particulate Specifications
contamination
Corrosive dust
•
•
Gaseous Specifications
contamination
Copper coupon <300 Å/month per Class G1 as defined by ANSI/ISA71.04-1985.
corrosion rate
Silver coupon <200 Å/month as defined by AHSRAE TC9.9.
corrosion rate
NOTE: Maximum corrosive contaminant levels measured at ≤50% relative humidity.
24 Technical specifications
NOTE: Applies to data center and non-data center environments.
Air must be free of corrosive dust.
Residual dust present in the air must have a deliquescent point less than 60% relative humidity.
NOTE: Applies to data center and non-data center environments.