1. The Contractor shall provide, upon the City’s request, expertise, personnel, equipment and materials necessary for the containment, removal, neutralization, decontamination, recovery, clean-up, repackaging, transportation, remediation and disposal of hazardous and/or nonhazardous materials or substances. 2. The Contractor shall mobilize, and have on the site of a hazardous materials incident, the personnel and equipment necessary for the initiation of containment and mitigation activities within twelve (12) hours of notification from the City. 3. The Contractor shall provide, upon the City’s request, with diligence as soon as practicable, the services, equipment and products necessary to eliminate or reduce the threat to life, public health, and safety arising from natural or man-made emergencies or disasters.