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

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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
Observation angle (degrees)	Entrance angle (degrees)	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

[43 FR 60034, Dec. 22, 1978, as amended at 45 FR 82631, Dec. 16, 1980; 46 FR 3204, Jan. 14, 1981]

                    
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