Issue 3/1998

The data concerning the heating period are processed in a traditional way used by Rudolf D. Straka who published this information regularly in the journal Sanitary and Air-handling Equipment for 30 years.

Possible risks of domestic water treatment with "water filter" are pointed out in the paper. A recommendation is made for the use of this device.

ln the first part the autor brings possible risks from indoor air in the health services to a reader#s attention. Foreign directions as a recommendation in the absence of czech hygienic rules are mentioned. In the second part the autor presents her practical experiences.

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The paper deals with organisational system and scope ot work in maintaining and operating HV AC equipment ot bui/­ding under new economic conditions. The author, having been a successtul operator ot HV AC systems tor a long time, describes the advantage ot HVAC systems operation and maintenance provided on a contract.

The paper contains a recommended form of test schedule for air-handling equipment. The building act and relevant public notices require this kind of formo Sample forms enclosed as a supplement to the journal represent the contributi­on of The Society for Environmental Engineering to the quality improvement of device testing.

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