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]