Symptoms are often dealt with after the fact by boosting the overall turn-over rate of fresh air exchange with the outside air , but the new green building design goal should be able to avoid most of the SBS problem sources in the first place , minimize the ongoing use of VOC cleaning compounds , and eliminate conditions that encourage allergenic mold growth .
Janitors should minimize the ongoing use of VOC cleaning compounds , and eliminate conditions that encourage allergenic , potentially-deadly mold growth .