16 CFR Appendix Table 3 to Part 1512 - Table 3 to Part 1512—Minimum Acceptable Values for the Quantity A Defined in the Retroreflective Tire and Rim Test Procedure
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 | −4 | 2.2 | 7.25 |
| .2 | 20 | 1.9 | 6.27 |
| .2 | 40 | 1.3 | 4.29 |
| 1.5 | −4 | .22 | .73 |
| 1.5 | 20 | .19 | .63 |
| 1.5 | 40 | .13 | .43 |