1. Regulations
  2. title 16
  3. chapter II
  4. part 1512
  5. appendix-i 7

- Table 3 to Part 1512—Minimum Acceptable Values for the Quantity A Defined in the Retroreflective Tire and Rim Test Procedure

Observation angle (degrees) Entrance angle (degrees) Minimum acceptable value of A Meters Feet 0.2−42.2 7.25 .2201.9 6.27 .2401.3 4.29 1.5−4.22.73 1.520.19.63 1.540.13.43
[43 FR 60034, Dec. 22, 1978, as amended at 45 FR 82631, Dec. 16, 1980; 46 FR 3204, Jan. 14, 1981]

AUTHORITY: Secs. 2(f)(1)(D), (q)(1)(A), (s), 3(e)(1), 74 Stat. 372, 374, 375, as amended, 80 Stat. 1304-05, 83 Stat. 187-89 (15 U.S.C. 1261, 1262); Pub. L. 107-319, 116 Stat. 2776.

SOURCE: 43 FR 60034, Dec. 22, 1978, unless otherwise noted.