Sampling Plans for Selective Enforcement Auditing of Light-Duty Vehicles

40% AQL Table 1—Sampling Plan Code Letter Annual sales of configuration Code letter 50-99 A 100-299 B 300-499 C 500 or greater D Table 2—Sampling Plan for Code Letter “A” 40% AQL [Sample inspection criteria] Stage Pass No. Fail No. 1 ( 1 ) ( 2 ) 2 ( 1 ) ( 2 ) 3 ( 1 ) ( 2 ) 4 0 ( 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 5 10 14 5 10 15 6 11 16 6 11 17 7 12 18 7 12 19 8 13 20 8 13 21 9 14 22 10 14 23 10 15 24 11 15 25 11 16 26 12 16 27 12 17 28 13 17 29 14 17 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” 40% AQL [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” 40% AQL [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” 40% AQL [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. [49 FR 48485, Dec. 12, 1984]