Limited Approach Boundary 2
Limited Approach Boundary 2 : In the context of asbestos control this is a boundary that must be crossed only by qualified persons, or by unqualified persons escorted and supervised by a qualified person. Note: Where national or company requirements have not been established reference can be made to: EN50110-1 : 1996 Annex A - Guidance for distances in air for working procedures or other similar international standards