Dell Latitude 14 Rugged Owner's Manual page 57

Feature
Operating
Non-Operating
Airborne contaminant level
Specification
-15.24 m to 4572 (-50 ft to 15,000 ft)3048 (–50 ft to
10,000 ft ft)
'-15.24 m to 4572 (-50 ft to 15,000 ft)
G1 as defined by ISA-71.04–1985
57