claim: We found [ U.S. weather ] stations located next to  the exhaust fans of air conditioning units, surrounded by asphalt  parking lots and roads, on blistering-hot rooftops, and near sidewalks  and buildings that absorb and radiate heat.
evidence: The building contained Bink's Paint Spraying and Air Washing Equipment, including blowers, air washing and purifying devices, and exhaust fans, installed to minimize danger of explosions and inhalation of fumes.