EPA Contact Us « Go back to Previous Page Get in touch and tell us what you need. Your initial approach is the spark that starts it all…Our ELS offices on the Harwell Science and Innovation Campus, Oxfordshire: 4 The Terraces, Library Avenue, Harwell Science and Innovation Campus, Didcot, Oxfordshire, OX11 0SG +44 (0) 1235 861 805 epaenquiries@explosivelearningsolutions.com Please fill in the form below and we will contact you by return. First Name Last Name Email Contact Number Message File Upload Send