Indoor Google Maps, smartphones and Bluetooth monitoring instruments could combine to give real time mapping of occupational and evironomental data.
Noise
How to calculate Leq with an array formula in Excel
Calculating LAeq from a series of decibels
I was watching the World Cup last night and noticed the very noisy bee swarm noise from many vuvuzelas. It drowned out the crowd and made the commentry harder to hear. I did some preliminary research on the vuvuzela wiki
Vuvuzela noise at World Cup
Understanding the combined effects of physical and chemical agents is difficult. EU-OSHA, the European Agency for Safety and Health at Work has just released a 60 page literature review into ototoxicity Combined exposure to Noise and Ototoxic Substances.