06:30 pre-start
06:45 calibrate air samplers
07:00 hours placement of air samplers at A1, A2, A3, A4, A5, and A6
07:15 hours check of wind speed and direction: 0 to 1 m/s ESE
07:30 hours check of dust levels in real time (PM10s): 0 to 0.010mg/m3
08:hours check of air sampling pumps and activities
10:00 hours check of PM10s: remaining between the range of 0 to 0.010 mg/m3
12:00 check of air sampling and activities, more water on area 1 and 2 were required to keep dust down.
13:00 hours check of PM10s: between 0 and 0.20 mg/m3. Slight increases due to increasing wind strength. Levels upwind compared to downwind of job sites approximately the same i.e. no dust migrating offsit.
14:30 hours check of air sampling pumps and activities.
15:00 hours wind strength has subsided to between 0 to 2 m/s
15:30 hours PM10s at between 0 and 0.20 mg/m3
