STC OR NIC Rating =
Frequency (Hz)	STC Contour	Contour Level (dB)	TL or NR (dB)	Deficiency	Pass or Fail
								1/3 OBCF	Contour Level (dB)	TL or NR
125	-16							125
160	-13							160
200	-10							200
250	-7							250
315	-4							315
400	-1							400
500	0							500
630	1							630
800	2							800
1000	3							1000
1250	4							1250
1600	4							1600
2000	4							2000
2500	4							2500
3150	4							3150
4000	4							4000
			Sum of Deficiencies:
		Guess STC OR NIC
		INSTRUCTIONS: ENTER DATA IN RED