The following has been received from Bob Dearman and is
passed on for your information.
Alan Wood, Hon. Secretary, National Caving Association
On the 15th and 16th August bad air was reported
by Mike Salt & Alan Rowlinson in Robins Shaft, Derbyshire.
There was no smell and Mike and Alan
experienced no headaches or nausea but they became very
breathless
and report that
when matches were lit they went out as soon as the head had burnt
out. There was no draught.
Trials with the same box of matches in the
car after the trip produced perfect results. Sounds like high CO2
concentration. Anyhow they got the hell out
of the place without any problems.