Advocates of performance testing claim it helps reduce on-the-job injuries and deaths, which in 1993 cost the nation more than $111 billion and 75 million working days. Here's how that tab breaks down:

Wage and productivity losses $59.9 billion

Medical costs $20.7 billion

Administrative expenses $14.4 billion

Employer costs $9.7 billion

Damage to motor vehicles $4.1 billion

Fire losses $3.1 billion

Total: $111.9 billion

Source: "Accident Facts," National Safety Council, Itasca, Ill., 1994.

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