Acute, Repeated Exposure to Mobile Phone Noise and Audiometric Status of Young Adult Users in a University Community

Table 1

The equivalent time-intensity levels, in A-weighted decibels (dB (A)), referenced to the action levels according to the Directive 2003/10/EC (SCIENIHR, 2008).

Action level	𝐿Aeq, 8 h	Equivalent levels for time indicated; (tradeoff 3 dB)
		83 dB (A)—4 hr; 86 dB (A)—2 hr;
		89 dB (A)—1 hr; 92 dB (A)—30 min;
First action level (minimum)	80 dB (A)	95 dB (A)—15 min;
		98 dB (A)—8 min; 101 dB (A)—4 min;
		104 dB (A)—2 min; 107 dB (A)—1 min
		88 dB (A)—4 hr; 91 dB (A)—2 hr;
Second action level mandatory protection	85 dB (A)	94 dB (A)—1 hr; 97 dB (A)—30 min;
		100 dB (A)—15 min;
		105 dB (A)—5 min; 111 dB (A)—1 min
		90 dB (A)—4 hr; 93 dB (A)—2 hr;
Maximum exposure limit value	87 dB (A)	96 dB (A)—1 hr; 99 dB (A)—30 min;
		102 dB (A)—15 min;
		107 dB (A)—5 min; 113 dB (A)—1 min