Counter Recessed Three-Chamber Ultrasonic Cleaning System, Model E488, used to clean debris from dental instruments. All serial numbers beginning with 488. Firm- initiated recall ongoing. Firm- initiated recall complete. The device should have been made of ashless paper and was not.
Ashless paper carries less risk of interference with the test.
Some devices were contaminated and did not exhibit normal growth characteristics while other devices were mislabeled. Firm-initiated recall complete. The control disk does not give the correct color reaction. Firm-initiated recall complete. The proper color change did not occur when the media was exposed to air.