Finally, much of the harm to public health from drug and alcohol use has nothing to do with addiction.

But he added that the employee did not have a record of drug or alcohol use on the job.

It depends on your memories of drug or alcohol use.

Police found no evidence of drug or alcohol use.

"They exclude people at risk for violence, those with histories of drug or alcohol use," she said.

These include other diseases, drug or alcohol use, and pregnancy.

The report calls for an independent review of the plant to determine if safety was compromised by drug and alcohol use among workers.

The survey asked a number of questions related to drug and alcohol use in its 2009 tally.

But about 6 percent of all accidents in private aviation are traced to drug or alcohol use.

There was no evidence of drug or alcohol use, he said.

Finally, much of the harm to public health from drug and alcohol use has nothing to do with addiction.

But he added that the employee did not have a record of drug or alcohol use on the job.

It depends on your memories of drug or alcohol use.

Police found no evidence of drug or alcohol use.

"They exclude people at risk for violence, those with histories of drug or alcohol use," she said.

These include other diseases, drug or alcohol use, and pregnancy.

The report calls for an independent review of the plant to determine if safety was compromised by drug and alcohol use among workers.

The survey asked a number of questions related to drug and alcohol use in its 2009 tally.

But about 6 percent of all accidents in private aviation are traced to drug or alcohol use.

There was no evidence of drug or alcohol use, he said.