


| Grouptek is specialized in >>Scientific, Environment & environment-related services and studies<< >>Medical & Ophthalmology<< >>Equipment, Supplies & Systems<< |

| IDENTIFY! & CONTROL! The Environmental Protection Agency (EPA) has determined that "indoor air pollution is a major health risk - indoor air pollutants can accumulate at 2 to 100 times higher concentrations than outdoor pollution." World health Organisation (WHO): "it is known that small particles and several of the other pollutants contained in indoor smoke cause inflammation of the airways and lungs and impair the immune response." |