37 Flooring services, namely, flooring installation, maintenance, and repair services for vinyl flooring, carpet, ceramic, terrazzo and wood flooring; floor sanding; installation of flooring underlayment and concrete topping; installation of quarry tile and concrete floors, flooring underlayment, and concrete floor topping; interior sealing, namely, color sealing; flooring repair, namely, repair of cracks using epoxy and gypsum; flooring removal services featuring air contamination control; services in the protection against airborne contaminants during hospital construction and renovation activities, namely, developing plans for construction and building renovation involving the use of contaminant monitors, barriers, mats, air scrubbers and air flow control procedures to contain airborne contaminants, and providing particulate count evaluations; and repairing of concrete flooring