A-scale

A-scale

In sound-level meters, a weighting network, widely used to measure the noise levels in buildings or communities. The A-scale provides meter readings that correlate better with subjective judgments of noise than do readings of sound pressure levels (which are also taken with a sound level meter, but without a weighting network).
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The purpose is to determine if an employee is affected by work-related hearing loss as a result of possible noise exposure in those work environments found to exceed the Action Level threshold of an 8-hour time-weighted average of 85 decibels measured on the A-scale. Therefore, a need for initial site evaluations and for baseline hearing assessments has been established, as well as the need for annual audiograms to evaluate for standard threshold shift.
We propose that 1,000 colleagues from our administrative A-scale groups are at risk of dismissal or redundancy."
They fell from 94 decibels--measured on the logarithmic A-scale used by industry to approximate the human ear--to 78 decibels.
The 300 A-scale were used when the chickens had scenes with themselves.
and make it harder to regroup in our recruiting." Twenty-one percent of Campbell's A-scale hires have been African American, 13 of 61, he says.
The pact called for 1-year wage cuts of up to 2.9 percent for senior (A-scale) flight attendants and of less than 1 percent for less senior (B-scale) flight attendants, followed by wage increases in April 1994, January 1995, and January 1996 that would raise USAIR flight attendants' pay to industry standards.
The accord also shortened to 3 years (previously, 5 years) the time it takes B-scale pilots to reach the pay of "A-scale" (more senior) pilots.