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e-CFR data is current as of August 6, 2020

Title 40Chapter ISubchapter UPart 1068Subpart E → Appendix


Title 40: Protection of Environment
PART 1068—GENERAL COMPLIANCE PROVISIONS FOR HIGHWAY, STATIONARY, AND NONROAD PROGRAMS
Subpart E—Selective Enforcement Auditing


Appendix A to Subpart E of Part 1068—Plans for Selective Enforcement Auditing

The following tables describe sampling plans for selective enforcement audits, as described in §1068.420:

Table A-1—Sampling Plan Code Letter

Projected family salesCode letter1Minimum number of testsMaximum number of tests
To passTo fail
20-50AA3520
20-99A4630
100-299B5640
300-499C5650
500 + D5660

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 families with annual sales between 20 and 50 engines/equipment. Additionally, the manufacturer may switch between these plans during the audit.

Table A-2—Sampling Plans for Different Engine Family Sales Volumes

StageaAAABCD
Pass #Fail #Pass #Fail #Pass #Fail #Pass #Fail #Pass #Fail #
1
2
30
400
5150000
61616160606
72617171717
82727272728
93728282828
103838383939
114838393939
12494949410410
1359510410410410
14510510510511511
15610611511511511
16610611612612612
17710712612612612
18810712713713713
19810813813713713
20910813814814814
21914914814814
221014915915915
23101510151015915
241115101610161016
251116111611161116
261216111711171117
271217121712171217
281317121812181218
291417131813181319
301617131913191319
31141914191420
32142014201420
33152015201521
34162115211521
35162116211622
36172216221622
37172217221723
38182218231723
39182218231824
40212219241824
4119241925
4220251926
4320252026
4421262127
4521272127
4622272228
4722272228
4823272329
4923272329
5026272430
512430
522531
532531
542632
552632
562733
572733
582833
592833
603233

aStage refers to the cumulative number of engines/equipment tested.

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