These are the standard testing procedures for flammability, force transmission, apex penetration, wetness, and temperature.
ANSI Z89.1 - INDUSTRIAL HEAD PROTECTION
In addition to testing procedures for flammability, force transmission, apex penetration, wetness, and temperature, among others, ANSI/ISEA Z89.1-2014 (R2019) classifies the different kinds of protective helmets according to their uses.
