Sökning: "passive diffusion samplers"

Hittade 2 uppsatser innehållade orden passive diffusion samplers.

1. 1. Air quality around preschools in Gothenburg: an evaluation of measurement methods

   Master-uppsats, Göteborgs universitet / Institutionen för biologi och miljövetenskap

   Författare :Emma Forsmalm; [2023-06-21]
   Nyckelord :low-cost sensors; passive diffusion samplers; pick-ups and drop-offs; regulatory measurements;

   Sammanfattning : In this study the air quality around four different preschools, chosen to represent different local traffic environments, was measured and the measurement methods used were evaluated. The aim was to compare the information retrieved using different methods, discuss the possible applications of them and finally see if more specific activities, in this case pick-ups and drop-offs, could be seen in the data retrieved. LÄS MER

3. 2. Undersökning av bensenförorening i grundvatten, Norra Djurgårdsstaden, Stockholm : JB- sondering, installation av grundvattenrör samt provtagning med passiv diffusionsprovtagare

   Uppsats för yrkesexamina på avancerad nivå, Lunds universitet/Teknisk geologi; Lunds universitet/Ekosystemteknik (CI)

   Författare :Emma Graaf; [2015]
   Nyckelord :groundwater flow grundvattenflöde; passive diffusion sampling; environmental assessment; installation of groundwater monitoring wells; soil-rock penetration test; benzene; gas works; groundwater; Contaminated soil; passiv diffusionsprovtagning; miljöprovtagning; grundvattenrörinstallation; JB-sondering; bensen; gasverk; förorenad mark; grundvatten; Technology and Engineering; Earth and Environmental Sciences;

   Sammanfattning : Norra Djurgårdsstaden is an urban area in northeastern Stockholm and has been soil remediated down to the water table. The contamination in the area includes polycyclic aromatic hydrocarbons (PAH), cyanide, heavy metals and BTEX. LÄS MER