Specifications include, but are not limited to: The Vendor must accept all materials that are delivered to the Nashua Recycling Center during the term of its contract. The Vendor shall provide to the City a list of materials and grades currently accepted by the Vendor and any minimum quality specifications, including allowable contamination limits. The Vendor shall also provide a description of unacceptable materials and shall be responsible for inspecting designated materials upon delivery. If materials are rejected or downgraded by the Vendor, the City must be notified as to why by the next business day following the day the rejection or downgrade occurred. Digital photographs of the rejected or downgraded materials shall accompany this notification. The City must be provided with an opportunity for on-site inspection of materials in question. If the Vendor fails to pick up or accept materials because of service failure, even from a force majeure event, the Vendor shall notify the City and provide an alternative collection service for hauling and processing services.