Contractors are solely responsible for cleaning up and properly disposing of all spilled pollutants brought to the site as part of the contractor’s work, including oil, paint, fuels, antifreeze, solvents, etc. in accordance with applicable laws and regulations. Contractor must keep accurate records (such as receipts, copies of analytical results, etc.) indicating proper disposal of spilled materials in accordance with applicable laws and regulations. Furthermore, Contractor is responsible for ensuring that all discharges from the site are in compliance with all applicable laws and regulations. No substance may be dumped or leaked onto the ground or allowed to run-off of a construction site that might cause pollution. Be aware that the contractor is responsible for preventing pollutant contaminated run-off and proper disposal of all waste materials generated as a result of the contractor’s activities.