40 CFR Appendix A to Subpart G of Part 91 Sampling Plans for Selective Enforcement Auditing of Marine Engines | Code of Federal Regulations | US Law

40 CFR Appendix A to Subpart G of Part 91

Sampling Plans for Selective Enforcement Auditing of Marine Engines

June 9, 2020

CFR

Table 1—Sampling Plan Code Letter

Annual engine family sales	Code letter
20-50	AA¹
20-99	A¹
100-299	B
300-499	C
500 or greater	D

¹A manufacturer may optionally use either the sampling plan for code letter “AA” or sampling plan for code letter “A” for Selective Enforcement Audits of engine families with annual sales between 20 and 50 engines. Additional, the manufacturers may switch between these plans during the audit.

Table 2—Sampling Plan for Code Letter “AA”

[Sample inspection criteria]

Open Table

Stage	Pass No.	Fail No.	Stage	Pass No.	Fail No.
1	(¹)	(²)	11	4	8
2	(¹)	(²)	12	4	9
3	0	(²)	13	5	9
4	0	(²)	14	5	10
5	1	5	15	6	10
6	1	6	16	6	10
7	2	6	17	7	10
8	2	7	18	8	10
9	3	7	19	8	10
10	3	8	20	9	10

¹Test sample passing not permitted at this stage.

²Test sample failure not permitted at this stage.

Table 3—Sampling Plan for Code Letter “A”

[Sample inspection criteria]

Open Table

Stage	Pass No.	Fail No.	Stage	Pass No.	Fail No.
1	(¹)	(²)	16	6	11
2	(¹)	(²)	17	7	12
3	(¹)	(²)	18	7	12
4	0	(²)	19	8	13
5	0	(²)	20	8	13
6	1	6	21	9	14
7	1	7	22	10	14
8	2	7	23	10	15
9	2	8	24	11	15
10	3	8	25	11	16
11	3	8	26	12	16
12	4	9	27	12	17
13	5	10	28	13	17
14	5	10	29	14	17
15	6	11	30	16	17

¹Test sample passing not permitted at this stage.

²Test sample failure not permitted at this stage.

Table 4—Sampling Plan for Code Letter “B”

[Sample inspection criteria]

Open Table

Stage	Pass No.	Fail No.
1	(¹)	(²)
2	(¹)	(²)
3	(¹)	(²)
4	(¹)	(²)
5	0	(²)
6	1	6
7	1	7
8	2	7
9	2	8
10	3	8
11	3	9
12	4	9
13	4	10
14	5	10
15	5	11
16	6	12
17	6	12
18	7	13
19	8	13
20	8	14
21	9	14
22	9	15
23	10	15
24	10	16
25	11	16
26	11	17
27	12	17
28	12	18
29	13	18
30	13	19
31	14	19
32	14	20
33	15	20
34	16	21
35	16	21
36	17	22
37	17	22
38	18	22
39	18	22
40	21	22

¹Test sample passing not permitted at this stage.

²Test sample failure not permitted at this stage.

Table 5—Sampling Plan for Code Letter “C”

[Sample inspection criteria]

Open Table

Stage	Pass No.	Fail No.
1	(¹)	(²)
2	(¹)	(²)
3	(¹)	(²)
4	(¹)	(²)
5	0	(²)
6	0	6
7	1	7
8	2	7
9	2	8
10	3	9
11	3	9
12	4	10
13	4	10
14	5	11
15	5	11
16	6	12
17	6	12
18	7	13
19	7	13
20	8	14
21	8	14
22	9	15
23	10	15
24	10	16
25	11	16
26	11	17
27	12	17
28	12	18
29	13	18
30	13	19
31	14	19
32	14	20
33	15	20
34	15	21
35	16	21
36	16	22
37	17	22
38	18	23
39	18	23
40	19	24
41	19	24
42	20	25
43	20	25
44	21	26
45	21	27
46	22	27
47	22	27
48	23	27
49	23	27
50	26	27

¹Test sample passing not permitted at this stage.

²Test sample failure not permitted at this stage.

Table 6—Sampling Plan for Code Letter “D”

[Sample inspection criteria]

Open Table

Stage	Pass No.	Fail No.
1	(¹)	(²)
2	(¹)	(²)
3	(¹)	(²)
4	(¹)	(²)
5	0	(²)
6	0	6
7	1	7
8	2	8
9	2	8
10	3	9
11	3	9
12	4	10
13	4	10
14	5	11
15	5	11
16	6	12
17	6	12
18	7	13
19	7	13
20	8	14
21	8	14
22	9	15
23	9	15
24	10	16
25	11	16
26	11	17
27	12	17
28	12	18
29	13	19
30	13	19
31	14	20
32	14	20
33	15	21
34	15	21
35	16	22
36	16	22
37	17	23
38	17	23
39	18	24
40	18	24
41	19	25
42	19	26
43	20	26
44	21	27
45	21	27
46	22	28
47	22	28
48	23	29
49	23	29
50	24	30
51	24	30
52	25	31
53	25	31
54	26	32
55	26	32
56	27	33
57	27	33
58	28	33
59	28	33
60	32	33

¹Test sample passing not permitted at this stage.

²Test sample failure not permitted at this stage.

[61 FR 52102, Oct. 4, 1996, as amended at 67 FR 68340, Nov. 8, 2002]

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