Dust measurements setup inside FD building

M. I. MICHELETTI; M. FREIRE; L. TOMANKOVA; R. D. PIACENTINI

Malargüe

Encuentro; Reunión de la Colaboración Internacional Auger; 2015

Colaboración Internacional Auger

The present study is devoted to know aerosol concentration levels inside FD buildings to check clean conditions, characterize in shape, size, composition the inside aerosols to compare them with outside ones and identify sources, evaluate dust deposition on mirrors, give valuable information to studies on dust effect on the image at the camera. Concentration measurements per particle size intervals with the aerosol spectrometer Grimm 1.109 have been performed. This gives information on particle size distribution that can be compared with the outside measurements with the same instrument. It gives information about suspended inside aerosols. The experiment is ongoing. Some new bands with slides will be placed during this meeting and others will be removed for analysis. First systematic analysis of samples will begin soon. Grimm measurements 1.109 of suspended inner particles will be compared with results of deposited dust on mirrors.