03May2001: Sydney, Australia. RE: Unfiltered stack emissions from the M5 East Motorway Tunnel; Excerpt from 2001 Inquiry, Dr Peter Best presents his assessment of the M5 East Stack. M5E Stack 2001 Inquiry 03May2001 Q&A: Dr Peter Best, Katestone Scientific RAPS Inc. http://nostack.8m.com/ 2001 Dr Peter Best, Katestone Scientific