The energy conservation movement has promoted both greater use of insulating materials and the reduction of heat losses by sealing air leaks. The release of volatile or airborne materials from the installation of these building materials under these conditions has resulted in an exacerbated indoor air pollution with the potential for certain health and safety hazards. Consequently, a comparative review of the health and safety hazards, exposure standards, and regulatory action associated with the more commonly used insulating materials with particular respect to current energy conservation measures was undertaken. The materials reviewed included asbestos,

zational, fiscal, and operational aspects of local air pollution control activities, a situation to be expected at this time in view of variations in severity of air pollution and in degrees of public support given to its palliation.

ECENTRALIZATION of services has pre-D sented public health agencies with challenging, and somewhat controversial, issues over a period of years. The challenge has been how to capture the advantages of efficient decision-making at remote locations while overcoming the problem of coordination with over-all objectives. Restated, it is how to integrate diversity and planning. From the perspective of a study of decentralization in Philadelphia, this paper will analyze some of the problems crucial to decentralized administration.

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