Federal officials found that it was not following its quality-control procedures and could not document that it was conducting all the required tests.

There's always a chance of a rogue batch - but the quality-control procedures make it pretty improbable that it would ever reach the retailers.

To maintain uniform performance between different production batches is difficult and - because of the quality-control procedures involved - costly.

He said quality-control procedures now in place might have caught the problem then.

Within minutes, a fully automated procedure passes the data through stringent quality-control procedures, and data derivatives, including a forecast of geomagnetic activity, are produced.

He had become a national consultant on the use of the autopsy as a quality-control procedure in medicine.

It also found serious deficiencies in the serology division's quality-control procedures.

The Federal Aviation Administration requires strict quality-control procedures.

This was a time-consuming process, and the quality-control procedures continually lagged behind the welders.

As part of our quality-control procedures, all microarray assays routinely incorporate the spiking controls.