06:30 hours pre-start
06:50 wind speed 0 to 1 m/s WNW – PM10s across site less than 0.010 mg/m3. No significant downwind variations compared to upwind dust levels.
07:00 hours air samplers ID 08..11 at A2, A4, A6, A1 – CoC number 0105
08:00 hours air sampler ID 12 at A8 – area 5 works in progress, sample added to CoC number 0105. PM10 levels adjacent to works remained below 0.03 mg/m3.
09:00 hours wind speed 0 to 1.5 m/s NW. PM10s have slightly increased, however no significant difference between upwind and downwind measurements with dust levels at 0.010 to 0.03 mg/m3 across the site.
10:00 hours wind speed 0 to 1 m/s NW. No changes in PM10 levels i.e. as above.
11:30 hours commencement of works at area 4. Sample ID 12.
13:00 wind speed remains low from NW. No changes in PM10 levels. Note 1. mower has broken down.
13:30 completion of works at area 4:
Maximum PM10 measured during work in progress : 0.02 mg/m3 – (refer to note 4 above) Results for PM10s measured are satisfactory i.e. consistent with background levels upwind of the job site.
