Location of passive sampling devices deployed in Troutman Lake. Site names used in manuscript provided along with local place names. 1) North-East (Maqneghlugaq), 2) Center-North (Tapeghaq), 3) North-West (near Pitegseghaghviget), 4) Airstrip-North (South of Tekeghaghpak), 5) Airstrip-South (Naayvam Ketlighnegha), 6) South-West (near Qamughtut), 7) Center-South (Naayvam Kenlenga), 8) South-East (near Siighmiik). See SI Table S1 for sampling location GPS coordinates.