Standard Recommended Practice for
Classifying Hot Mix Recycling Agents
AASHTO Designation: R 14-88 (2007)
ASTM Designation: D 4552-92 (2004)
AASHTO R 14-88 (2007) is identical to ASTM D 4522-92 (2004) except for the following provisions:
1. All references to the ASTM standards listed in the following table shall be replaced with the corresponding AASHTO standard.
Referenced Standards
| ASTM | AASHTO | ASTM | AASHTO |
| D 70 | T 228 | 0 1754 | T 179 |
| D 92 | T48 | 02170 | T201 |
| 0140 | T40 | 02171 | T 202 |
| D 946 | M20 | 02872 | T 240 |
| D 1298 | T227 | 03381 | M226 |
2. Replace Table 1 with the following table:.
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