The requirements are that the levels read from the ozone strip chart in the Hall A counting house must be at or below 0.03ppm (.3 on the strip chart) to access Hall A as before.
If the ozone levels as read from the ozone strip chart in the Hall A counting house are above 0.03ppm (.3 on the strip chart) entry may only be made by:
1: A respirator trained and fitted person wearing the respirator they were trained and fitted for.
2. Waiting for the Ozone levels to decay to 0.03ppm (.3 on the strip chart)
3. Taking the Hall to restricted access and venting the Hall using the smoke removal fans.
A copy of this log entry has been emailed to: suhring@jlab.org, kees@jlab.org, okay@jlab.org