to have been cleaned before the area was occupied. AC dust can adhere to carpet, even after repeated cleaning. However, this dust is difficult to dislodge and is therefore unlikely to have been released in measureable quantities. Repeated air monitoring undertaken following an event that had a significantly higher potential to generate dust and debris in the same room did not detect asbestos fibres above background levels. Staff and Very Low background Rare Very Low – students Any damage to the AC cement sheet was Some asbestos fibres occupying 64 effectively encapsulated by the rail. may have been Library in Carpet below the rail is the only likely source of disturbed during initial subsequent ongoing contamination. Airborne fibre release carpet cleaning, but it is years from contaminated carpet is unlikely to have highly unlikely that this been significant. would have resulted in All carpet was removed from the room in April, airborne exceeding 2014 background other than on rare occasions. Coffey Environments, Australia concludes by stating that the assessment of the risk of developing an asbestos related disease following this coat hook rail incident for staff and students occupying Room 64 Library in 2012 as very low; and for staff and students occupying the room in subsequent years as very low. Regarding the contractor who installed the coat hook rail, Coffey Environments, Australia stated that the installation could have resulted in fibre release into the but that it “minor air” would have been and localised as it would only have resulted from a small number “transient of found that damage to the AC cement sheet wall was effectively and screws”. They “any immediately encapsulated by the installation of the coat hook and assessed the health rail” risk to the contractor as being very low.
to have been cleaned before the area was occupied. AC dust can adhere to carpet, even after repeated cleaning. However, this dust is difficult to dislodge and is therefore unlikely to have been released in measureable quantities. Repeated air monitoring undertaken following an event that had a significantly higher potential to generate dust and debris in the same room did not detect asbestos fibres above background levels. Staff and students occupying 64 Library in subsequent years Very Low – background Any damage to the AC cement sheet was effectively encapsulated by the rail. Carpet below the rail is the only likely source of ongoing contamination. Airborne fibre release from contaminated carpet is unlikely to have been significant. All carpet was removed from the room in April, 2014 Rare Some asbestos fibres may have been disturbed during initial carpet cleaning, but it is highly unlikely that this would have resulted in airborne exceeding background other than on rare occasions. Very Low Coffey Environments, Australia concludes by stating that the assessment of the risk of developing an asbestos related disease following this coat hook rail incident for staff and students occupying Room 64 Library in 2012 as very low; and for staff and students occupying the room in subsequent years as very low. Regarding the contractor who installed the coat hook rail, Coffey Environments, Australia stated that the installation could have resulted in “minor fibre release into the air” but that it would have been “transient and localised as it would only have resulted from a small number of screws”. They found that “any damage to the AC cement sheet wall was effectively and immediately encapsulated by the installation of the coat hook rail” and assessed the health risk to the contractor as being very low.
Wales-St-report-Exec-Summary.docx