AASHTO R 77-16（2020）规定了适用于所有乳化沥青供应商的认证体系的要求和程序。这些要求和程序适用于满足M 140、M 208或M 316（阳离子乳液/聚合物改性阳离子乳液）要求的材料，这些材料在炼油厂、码头、在线混合或以其他方式生产，用于铺路应用。本标准以前被指定为临时标准PP 71。

AASHTO R 77-16 (2020) specifies requirements and procedures for a certification system applicable to all suppliers of emulsified asphalt. The requirements and procedures apply to materials that meet the requirements of M 140, M 208, or M 316, (Cationic Emulsions/Polymer-Modified Cationic Emulsions), which are manufactured at refineries, terminals, in-line blended, or otherwise produced for use in paving applications.This standard was formerly designated as provisional standard PP 71.