GroundRules
40 CFR Appendix XII to Part 86: Appendix XII to Part 86—Tables for Production Compliance Auditing of Heavy-Duty Engines and Heavy-Duty Vehicles, Including Light-Duty Trucks
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER C—AIR PROGRAMS
- PART 86—CONTROL OF EMISSIONS FROM NEW AND IN-USE HIGHWAY VEHICLES AND ENGINES
Table 1—Compliance Level Determination Using the Primary PCA Sampling Plan
Compliance level 2
PCA test sample size.1
24 15
25 15
26 16
27 17
28 17
29 18
30 18
31 19
32 20
33 20
34 21
35 21
36 22
37 23
38 23
39 24
40 24
41 25
42 26
43 26
44 27
45 27
46 28
47 29
48 29
49 30
50 30
51 31
52 32
53 32
54 33
55 33
56 34
57 35
58 35
59 36
60 36
1 Including the number of SEA tests if applicable.
2 Is the test result of the sequence number: (The lowest test result is sequence No. 1).
Table 2—Values of K for the Reduced Fixed PCA Sampling Plan
Value of K
Sample size:
3 1.602
4 1.114
5 0.895
6 0.764
7 0.674
8 0.608
9 0.555
10 0.513
11 0.478
12 0.448
13 0.422
14 0.399
15 0.379
16 0.360
17 0.343
18 0.328
19 0.314
20 0.301
21 0.289
22 0.277
23 0.266
Table 3—Values of K for the Reduced Sequential PCA Sampling Plan
Value of K
Sample size:
4 1.671
8 0.912
12 0.672
16 0.540
20 0.451
Collected 2026-08-27T02:26:04Z. Source file · JSON