Learn About The Law
Get help with your legal needs
FindLaw’s Learn About the Law features thousands of informational articles to help you understand your options. And if you’re ready to hire an attorney, find one in your area who can help.
Current as of January 02, 2025 | Updated by Findlaw Staff
|
TABLE 1—SAMPLING PLAN CODE LETTER |
|
|---|---|
|
Annual sales |
Code letter |
|
50-99 |
A. |
|
100-299 |
B. |
|
300-499 |
C. |
|
500 or greater |
D. |
|
TABLE 2—SAMPLING PLAN FOR CODE LETTER “A” |
|||||
|---|---|---|---|---|---|
|
[Sample inspection criteria] |
|||||
|
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 |
1 Test sample passing not permitted at this stage.
2 Test sample failure not permitted at this stage.
|
TABLE 3—SAMPLING PLAN FOR CODE LETTER “B” |
||
|---|---|---|
|
[Sample Inspection Criteria] |
||
|
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 |
1 Test sample passing not permitted at this stage.
2 Test sample failure not permitted at this stage.
|
TABLE 4—SAMPLING PLAN FOR CODE LETTER “C” |
||
|---|---|---|
|
[Sample Inspection Criteria] |
||
|
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 |
1 Test sample passing not permitted at this stage.
2 Test sample failure not permitted at this stage.
|
TABLE 5—SAMPLING PLAN FOR CODE LETTER “D” |
||
|---|---|---|
|
[Sample Inspection Criteria] |
||
|
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 |
1 Test sample passing not permitted at this stage.
2 Test sample failure not permitted at this stage.
Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment 40 CFR Pt. 86, App. X—Sampling Plans for Selective Enforcement Auditing of Heavy–Duty Engines and Light–Duty Trucks - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-pt-40-86-app-x/
FindLaw Codes may not reflect the most recent version of the law in your jurisdiction. Please verify the status of the code you are researching with the state legislature before relying on it for your legal needs.
A free source of state and federal court opinions, state laws, and the United States Code. For more information about the legal concepts addressed by these cases and statutes, visit FindLaw’s Learn About the Law.
Get help with your legal needs
FindLaw’s Learn About the Law features thousands of informational articles to help you understand your options. And if you’re ready to hire an attorney, find one in your area who can help.
Search our directory by legal issue
Enter information in one or both fields (Required)