NOTICE OF ACTIVITY AND USE LIMITATION 40 Park Avenue Arlington RTN 3-3838 A release of oil and/or hazardous materials has occurred at this location, which is a disposal site as defined by M.G.L. c. 21E, § 2 and the Massachusetts Contingency Plan, 310 CMR 40.0000. On June 24, 2026, 40 Park Avenue Associates, LLC recorded with the Middlesex County Registry of Deeds a NOTICE OF ACTIVITY AND USE LIMITATION on the disposal site, pursuant to 310 CMR 40.1070 through 40.1080. The NOTICE OF ACTIVITY AND USE LIMITATION will limit the following site activities and uses on the above property: Residential Use Day Care Use Non Emergency Excavation of Soils Located greater than Two Feet Bellow Grade Without a Soil Management Plaln and Health and Safety Plan Any person interested in obtaining additional information about the NOTICE OF ACTIVITY AND USE LIMITATION may contact George Campbell, Campbell Environmental Inc. at 38 Sunset Drive, Northboro MA 01532, phone 508-393-9811 The NOTICE OF ACTIVITY AND USE LIMITATION and the disposal site file can be viewed at MassDEP website using Release Tracking Number (RTN) 3-3838 at https:// eeaonline.eea.state.ma.us/portal/search/wastesiteor at MassDEP, Northeast REGIONAL OFFICE, 100 Sylvan Road, Woburn MA 01801 ADDRESS, 781-376-100 July 16 2026 LNEO0553781