Possible St. Louis Air Filtration Requirement

This public smoking law contains an air filtration requirement that St. Louis could also require of venues that allow smoking. In this example ordinance, any venue that allows smoking must install an air purification system. An air purification system is defined this way:

An air purification system shall be defined as an electrically powered motor and blower in a self contained box used to draw contaminated and redistribute cleaned air through a series of filters comprising of at least

1. A hospital grade Hepa or Hepa “like” media filter with a certified efficiency rating of at least 95% that is rated to capture particulate material to a minimum size of .03 micron that includes but is not limited to dust, dirt, Environment tobacco smoke, pollen, mold spores, viruses, bacteria and allergens

2. An adsorbent filter such as Carbon of other sorbent and Chemi-sorbent materials with an absorption rate of at least 85% efficiency to capture Volatile Organic Compounds such as but not limited to aldyhydes, ammonias, gaseous components of environmental tobacco smoke, solvents and odors. The filter should contain at least one pound of adsorbent media to each 100 cfm (cubic feet of air per minute) of air cleaner production.

The system or combination of systems shall be capable of creating at least six complete air changes per hour in the occupied space or one air change per hour (ACH) every ten minutes with a first pass efficiency of at least 95%

The system shall also utilize a multiple direction airflow pattern (Coanda); this will ensure maximum distribution and collection of indoor air

Additional technologies may be used beyond, but not in place of the above stated technologies including but not limited to polarized filters, ionization supplement filters and photo catalytic oxidation systems

Maintenance of Systems
The purification systems and filters must be maintained to the individual manufacturers specifications in order to insure maximum efficiency of said systems.

3. Example Ordinance

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