55+	years of experience
3,000+ PSP participants
23,000+ samples shipped per year
1,000 laboratory assessments per year
2,000+ accredited labs

Proficiency Sample Data Documents Enroll in our program

Proficiency Sample Schedule

Sample Type

Round

Enrollment Cutoff

Ship Date

*Non-Receipt

*Closing Date

Final Report

Aggregate Degradation - AGD

3/4

12/8/2022

1/19/2023

2/2/2023

3/29/2023

3/30/2023

Soil Classification and Compaction - SOL

187/188

1/26/2023

3/9/2023

3/23/2023

5/4/2023

5/18/2023

Soil Resistance R-Value - RVL

187/188

2/2/2023

3/16/2023

3/30/2023

5/11/2023

5/25/2023

Soil California Bearing Ratio - CBR

187/188

2/2/2023

3/16/2023

3/30/2023

5/11/2023

5/25/2023

Viscosity Graded Asphalt Cement - BAC

271/272

2/16/2023

3/30/2023

4/13/2023

5/25/2023

6/8/2023

Performance Graded Asphalt Binder - PGB

271/272

2/23/2023

4/6/2023

4/20/2023

6/1/2023

6/15/2023

Asphalt Mixture Marshall Design - MAR

79/80

4/13/2023

5/25/2023

6/8/2023

7/20/2023

8/3/2023

Asphalt Mixture Hveem Design by California Kneading Compaction - HCA

1/2

4/13/2023

5/25/2023

6/8/2023

7/20/2023

8/3/2023

Asphalt Mixture Hveem Design by 4-in Gyratory Compaction - HCO

1/2

4/13/2023

5/25/2023

6/8/2023

7/20/2023

8/3/2023

Asphalt Mixture Hveem Design by Gyratory Shear Compaction - HTX

1/2

4/13/2023

5/25/2023

6/8/2023

7/20/2023

8/3/2023

Asphalt Mixture Gyratory - HMG

55/56

4/20/2023

6/1/2023

6/15/2023

7/27/2023

8/10/2023

Polymer-Modified Emulsified Asphalt - PME

1/2

5/4/2023

6/15/2023

6/29/2023

8/10/2023

8/24/2023

Aggregate Gradation and Gravity - AGG

3/4

6/8/2023

7/20/2023

8/3/2023

9/14/2023

9/28/2023

Unmodified Emulsified Asphalt - EML

79/80

7/13/2023

8/24/2023

9/7/2023

10/19/2023

11/2/2023

Performance Graded Asphalt Binder - PGB

273/274

7/27/2023

9/7/2023

9/21/2023

11/2/2023

11/16/2023

Paint - PNT

71/72

8/3/2023

9/14/2023

9/28/2023

11/9/2023

11/27/2023

Slurry and Micro Systems - SMS

13/14

7/21/2023

9/14/2023

9/28/2023

11/9/2023

11/27/2023

Viscosity Graded Asphalt Cement - BAC

273/274

8/10/2023

9/21/2023

10/5/2023

11/16/2023

11/30/2023

Asphalt Mixture Solvent Extraction - HMS

99/100

8/31/2023

10/12/2023

10/26/2023

12/7/2023

12/21/2023

Asphalt Mixture Ignition Oven - HMI

47/48

9/28/2023

11/9/2023

11/23/2023

1/4/2024

1/18/2024

Sample Type

Round

Enrollment Cutoff

Ship Date

*Non-Receipt

*Closing Date

Final Report

NOTE: All dates are subject to change.

*Non-Receipt Date - the date by which your laboratory should receive a sample; please contact us if you have not received your sample by this date

*Closing Date - All testing data must be submitted and confirmed (by the laboratory) on or before this date. Data submitted after this date will not be included in the analysis and ratings will not be received.

*Enrollment Cutoff Date - If your laboratory is enrolled after this date, you will be placed on a Waiting List for that specific sample. If there are enough remaining samples, they will be shipped to your laboratory after the Non-Receipt Date and an invoice will follow by mail.

Samples that drive quality

Proficiency Sample Schedule