fibre levels exceed the action levels outlined in Table 2, regardless of whether removal has commenced, action must be taken immediately. Air monitoring action levels 2 Action Control Action Less than No new control measures Continue with control measures. 0.01 fibres/mL are necessary At 0.01 fibres/ml or 1. Review Review control measures. more than 0.01 fibres/mL but less than or equal to 0.02 fibres/mL 2. Investigate Investigate the cause. 3. Implement Implement controls to eliminate or minimise exposure and prevent further release. More than 1. Stop removal work Stop removal work. 0.02 fibres/mL 2. Notify regulator Notify the relevant regulator by phone followed by a written statement that work has ceased and the results of the air monitoring. 3. Investigate the cause For example, conduct a thorough visual inspection of the enclosure (if used) and associated equipment in consultation with all workers involved with the removal work. 4. Implement controls to For example, extend the isolated/barricaded eliminate or minimise area around the removal area/enclosure as exposure and prevent far as reasonably practicable until fibre levels further release are at or below 0.01 fibres/mL, wet wipe and vacuum the surrounding area, seal any identified leaks (e.g. with expandable foam or adhesive (cloth or duct) tape) and smoke test the enclosure until it is satisfactorily sealed. 5. Do not recommence Do not recommence until fibre levels are at removal work until further or below 0.01 fibres/mL. air monitoring is conducted Any information that is gathered from these actions can be referred to during future asbestos removal jobs (where applicable).
fibre levels exceed the action levels outlined in Table 2, regardless of whether removal has commenced, action must be taken immediately. 2 Air monitoring action levels Action Control Action Less than 0.01 fibres/mL No new control measures are necessary Continue with control measures. At 0.01 fibres/ml or more than 0.01 fibres/mL but less than or equal to 0.02 fibres/mL 1. Review Review control measures. 2. Investigate Investigate the cause. 3. Implement Implement controls to eliminate or minimise exposure and prevent further release. More than 0.02 fibres/mL 1. Stop removal work Stop removal work. 2. Notify regulator Notify the relevant regulator by phone followed by a written statement that work has ceased and the results of the air monitoring. 3. Investigate the cause For example, conduct a thorough visual inspection of the enclosure (if used) and associated equipment in consultation with all workers involved with the removal work. 4. Implement controls to eliminate or minimise exposure and prevent further release For example, extend the isolated/barricaded area around the removal area/enclosure as far as reasonably practicable until fibre levels are at or below 0.01 fibres/mL, wet wipe and vacuum the surrounding area, seal any identified leaks (e.g. with expandable foam or adhesive (cloth or duct) tape) and smoke test the enclosure until it is satisfactorily sealed. 5. Do not recommence removal work until further air monitoring is conducted Do not recommence until fibre levels are at or below 0.01 fibres/mL. Any information that is gathered from these actions can be referred to during future asbestos removal jobs (where applicable).