Hs(G)54 Ser.

Aimed at employers and others who operate, service and maintain local exhaust ventilation (LEV) systems. Contents: Legal requirements; Selection and protection of personnel; Procedures; Initial appraisal; Maintenance: Thorough examination and testing; Making a judgement; Instruments and techniques; Air monitoring; Flow visualisation devices and tracers; Measurement of LEV: Plant performance; Maintenance and calibration of instruments.