APPENDIX B: OCTAVE-BAND BREAKDOWNS OF DBA LIMITS FOR DIFFERENT ZONES

   The octave-band breakdowns of the dBA limits used in § 95.06 shall be as follows.

	Octave-Band Center Frequency (Hz)	Maximum Boundary SPL (dB)
A..	Residential Zone: (55 dBA)
	31.5	72
	63	71
	125	65
	250	57
	500	51
	1,000	45
	2,000	39
	4,000	34
	8,000	32
B.	Commercial Zone: (64 dBA)
	31.5	79
	63	78
	125	73
	250	67
	500	61
	1,000	55
	2,000	50
	4,000	46
	8,000	43
C.	Industrial Zone: (66 dBA)
	31.5	80
	63	79
	125	74
	250	69
	500	63
	1,000	57
	2,000	52
	4,000	48
	8,000	45