New customer? Register here

The gold standard for laboratory accreditation in the construction industry

Search for an Accredited Lab







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







Looking to submit data? Click here to submit.

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.


Hot Mix Asphalt Marshall Design
67/68

Closing Date:
7/20/2017
Announcements
Datasheet
Instructions
SDS

Hot Mix Asphalt Gyratory
43/44

Closing Date:
8/10/2017
Announcements
Datasheet
Instructions
SDS

Emulsified Asphalt
67/68

Closing Date:
8/17/2017
Announcements
Datasheet
Instructions
SDS

Slurry and Micro Systems
3/4

Closing Date:
8/17/2017
Announcements
Datasheet
Instructions
SDS
TwitterLinkedIn