MIL-HDBK-144, MILITARY HANDBOOK ENGINEERING DESIGN HANDBOOK FOR AIR CLEANING FOR CHEMICAL DEMILITARIZATION., The purpose of this handbook is to provide information and references relating to the design of an air-cleaning system for chemical demilitarization operations. The goal of the system is the highly efficient removal of toxic chemical agents in the form of minute particulate, aerosol, and gaseous matter. The handbook is intended primarily for engineers and other technical personnel who are responsible for designing air-cleaning systems capable of meeting the stringent requirements imposed by public law and other regulations relating to the safeguarding of the health and safety of workers and the environmental quality of air discharged to the atmosphere. It is the intent of this handbook to point out the many areas of concern and to provide recommendations and precautions based on previous experience with such systems. The air-cleaning system discussed here, patterned after that extensively used in the nuclear industry, was developed by the Chemical Systems Laboratory (CSL) of the U.S. Army Armament Research and Development Command (DARCOM) and is presently installed at the Chemical Agent Munitions Disposal System (CAMDS) facility located at Tooele Army Depot, Utah. The experience gained as a result of this application is documented here to provide baseline data for designers of future systems for demilitarization operations and other similar applications (e.g., chemical laboratories) . Criteria