Samples that drive quality

"I don’t think we would have the quality of the AB program that we do [without] having their involvement, maintaining the standard that we do. I think it’s helped us immensely."


New Hampshire Department of Transportation

Alan Rawson, Bureau of Materials & Research Administrator

re_graphic
50 years of experience
3,000+
PSP participants
23,000+
samples shipped per year
1,000
laboratory assessments per year
1,900+
accredited labs







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Reminder: Please be sure to always include your PSP Enrollment number on your datasheet.

This enables us to properly identify your laboratory. We will be happy to assist you if you do not know your PSP Enrollment number. Please contact us at (240) 436-4900 or psp@aashtoresource.org.

Looking for a datasheet or instructions for a sample round that isn't listed below?

Instructions and Datasheets are not made available until a sample round's scheduled ship date. Visit the Proficiency Sample Schedule for more details.


Asphalt Mixture Gyratory
45/46

Closing Date:
8/16/2018
Announcements
Datasheet
Instructions
SDS

Emulsified Asphalt
69/70

Closing Date:
8/23/2018
Announcements
Datasheet
Instructions
SDS

Slurry and Micro Systems
5/6

Closing Date:
9/6/2018
Announcements
Datasheet
Instructions
SDS

Soil Resistance R-Value
177/178

Closing Date:
9/20/2018
Announcements
Datasheet
Instructions
SDS

Soil California Bearing Ratio (CBR)
177/178

Closing Date:
9/13/2018
Announcements
Datasheet
Instructions
SDS
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