The PVC cement used to connect and seal plumbing PVC pipes, sometimes called plumber's glue, leaves behind a strong chemical odor when it's used for repairs. The smell usually dissipates within a few hours unless the glue is used in an enclosed area or spilled on surfaces beyond the pipes. PVC cement vapors can cause respiratory irritation and breathing problems. The smell will dissipate over time, but you can speed the process along by using a few simple techniques.
Open the cabinet doors to provide ventilation to the repaired area, if necessary. Open windows and doors to provide ventilation to the affected room.
Set up a fan to provide airflow and cross ventilation. Aim the fan toward the repair area to help force the odors from the room and to prevent it from stagnating.
Wash the exterior of the pipe with hot water and a squirt of liquid dish soap. Scrub the pipes gently with a mildly abrasive pad to remove any glue residue on the exterior of the pipes.
Inspect the surfaces around the pipes for glue spills. Clean these up with the dish soap and scrubbing pad.
Place a bowl of baking soda or activated charcoal near the area where the odor originates. These items absorb odors. Replace with fresh soda or charcoal daily until the odor is gone.