Handwritten draft (unidentified hand) on 'Safety precautions working with Donnington samples' and handwritten draft (another unidentified hand, with annotations by M J Sanders) 'Survey of dust arising from site clearance at the Donnington Ordnance Depot.
Describes project of pollution monitoring exercise (at the request of the Bird Group) "to assess and advise on the levels obtaining during site clearance of a [brick] building gutted by fire"; the building had a steel and asbestos roof and measured c.200 x 200 m.