The Austin Avenue Radiation site is located in Lansdowne Borough, East Lansdowne Borough, Upper Darby Township, Aldan Borough, Yeadon Borough and Darby Borough in Pennsylvania. The site consists of 40 privately owned properties. W.L. Cummings Radium Processing Company conducted radium-refining operations at the site from 1915 to 1925. These operations generated radioactive wastes. Waste disposal practices contaminated residential properties with radium, thorium, radon and asbestos. Following cleanup, EPA took the site off the NPL in 2002.