Appendix I to Subpart B of Part 205

Appendix I to Subpart B of Part 205

Table I - Sample Size Code Letters

Batch size	Code letter
4 to 8	A.
9 to 15	B.
16 to 25	C.
26 and larger	D.

Table II - Sampling Plans for Inspecting Batches

Sample size code letter	Test sample	Test sample size	Cumulative test sample size	Batch inspection criteria
				Acceptance No.	Rejection No.
A	1st	4	4	0	1
B	1st	3	3	0	1
C	1st	3	3	0	2
	2d	3	6	1	2
D	1st	2	2	(1)	2
	2d	2	4	(1)	2
	3d	2	6	0	2
	4th	2	8	0	3
	5th	2	10	1	3
	6th	2	12	1	3
	7th	2	14	2	3

¹ Batch acceptance not permitted at this sample size.

Table III - Batch Sequence Plans

Sample size code letter	Number of batches	Cumulative number of batches	Sequence inspection criteria
			Acceptance No.	Rejection No.
A	2	2	1	(2)
	2	4	2	4
	2	6	3	5
	2	8	4	5
B	2	2	0	(2)
	2	4	1	4
	2	6	2	5
	2	8	3	5
	2	10	4	6
	2	12	5	6
C	2	2	(1)	2
	2	4	0	2
	2	6	0	3
	2	8	1	3
	2	10	2	4
	2	12	3	4
D	2	2	0	2
	2	4	1	3
	2	6	2	4
	2	8	3	4

¹ Batch sequence acceptance not permitted for this number of batches.

² Batch sequence rejection not permitted for this number of batches.

Table IV - Recommended Format for Vehicle Noise Data Sheet

Test Report Number:	Manufacturer:
VEHICLE:
Trade Name:	VIN:
Model Year:	Other Reference No:
Configuration Identification:	Category Identification:
Test Site Identification and Location:
INSTRUMENTATION:
Microphone Manufacturer:	Model No:	Serial No:
Sound Level Manufacturer:	Model No:	Serial No:
Calibrator Manufacturer:	Model No:	Serial No:
Other and Manufacturer:	Model No:	Serial No:
TEST DATA:
Approach Gear:	Date of Test:
Approach RPM:	Temp:	Wind:
Acceleration Test:
Deceleration Test:

Acceleration Test

		Run No.
		1	2	3	4	5
dBA	Left
	Right
Highest RPM attained in End Zone
	Calculated Sound Pressure		dBA
Deceleration Test with Exhaust Brake Applied
dBA	Left
	Right
	Calculated Sound Pressure		dBA
TEST Personnel:
(Name)
Recorded By:			Date:.........
(Signature)
Supervisor:			Title:.........
(Signature)

[41 FR 15544, Apr. 13, 1976, as amended at 42 FR 61460, Dec. 5, 1977]