A. Contractor shall wait a minimum of one (1) hour after active lead hazard control activity has ceased before cleaning to allow dust particles to settle. B. Use a HEPA vacuum and mild detergent wash to clean all surfaces, floors, walls, trim, window sills, window wells, and ladders within each unit. C. Equipment shall be cleaned and all contaminated materials removed before removing polyethylene floors. D. After cleaning the work area, the contractor shall allow the area to thoroughly dry and then wet-clean and/or HEPA vacuum all surfaces in work area again. E. At the completion of the cleaning operation, the contractor's supervisor shall perform a complete visual inspection of the work area to ensure that the work area is free of paint chips and dust. If the supervisor believes he is ready for a final project decontamination inspection, he shall notify the designer. F. The contractor shall contact the certified lead inspector for the final project decontamination inspection requested by the contractor. G. The certified lead inspector shall perform the final visual inspection and conduct the single surface wipe samples and/or composite soil samples. Any discrepancies found shall be documented in the form of a punch list. H. Final wipe sampling or soil sampling shall not commence until the visual inspection is completed and passed. Final clearance criteria must meet the clearance criteria established in section 01714. I. If the certified lead inspector finds that the work area has not been adequately decontaminated, cleaning and/or wipe samples shall be repeated at the contractor’s expense, including additional testing fees, until the work area is in compliance...
