ACGIH(r) Worldwide(Cincinnati) has published the 24th edition of Industrial Ventilation: A Manual of Recommended Practicealong with the Companion Study Guide to the ACGIH® Industrial Ventilation Manual.Additionally, the association has released its newest ventilation title, Handbook of Ventilation for Contaminant Control, 3rd Edition.For more information, visitwww.acgih.org.