View Historical Standards for E1709:

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Document Designation and Title Year Select Item(s) E1709 Standard Test Method for Measurement of Retroreflective Signs Using a Portable Retroreflectometer at a 0.2 Degree Observation Angle 08 E1709 Standard Test Method for Measurement of Retroreflective Signs Using a Portable Retroreflectometer 00e1 E1709 Standard Test Method for Measurement of Retroreflective Signs Using a Portable Retroreflectometer 00