Performance Checklist
Checklists can be obtained by emailing Lisa Cody. Please specify which checklist you would like to receive in your email.
Find information on American Association of State Highway and Transportation Officials (AASHTO) tests.
All technicians must certify for these tests:
| AASHTO R90-18 | Sampling Aggregate Products | Exempt if qualified in Aggregate Module, taken within one year (doesn't apply for written exam) |
| AASHTO R67-20 | Sampling Asphalt Mixtures After Compaction (Obtaining Cores) | |
| AASHTO R76-23 | Reducing Samples of Aggregate to Testing Size | Exempt if qualified in Asphalt Module, taken within one year (doesn't apply for written exam) |
| AASHTO R97-19 | Sampling Asphalt Mixtures | |
| AASHTO R47-23 | Reducing Samples of Hot Mix Asphalt (HMA) to Testing Size | Exempt if qualified in Asphalt Module, taken within one year (doesn't apply for written exam) |
| AASHTO T310-22 | In-Place Density and Moisture Content of Soil and Soil-Aggregate by Nuclear Methods (Shallow Depth) | Gauges without a source will be used during the performance testing |
| Nev. T335H-20 | Method of Test For Relative Compaction of Plantmix Bituminous Base and Surface Using A Nuclear Density Gauge | Gauges without a source will be used during the performance testing |
All technicians must certify for these tests:
| AASHTO R90-18 | Sampling Aggregate Products | Exempt if qualified in Sampling and Density Module, taken within one year (doesn't apply for written exam) |
| AASHTO T11-23 | Materials Finer Than 75-:m (No. 200) Sieve in Mineral Aggregates by Washing | Exempt if qualified in Asphalt or Asphalt Extended Module, taken within one year (doesn't apply for written exam) |
| AASHTO T27-23 | Sieve Analysis of Fine and Coarse Aggregates | Exempt if qualified in Asphalt or Asphalt Extended Module, taken within one year (doesn't apply for written exam) |
| AASHTO R58-22 | Dry Preparation of Disturbed Soil and Soil Aggregate Samples for Test | Exempt if qualified in Asphalt Module, taken within one year (doesn't apply for written exam) |
| AASHTO T89 (use samples from R58)-22 | Determining the Liquid Limit of Soils | |
| AASHTO T90 (use samples from R58)-22 | Determining the Plastic Limit and Plasticity Index of Soils | |
| AASHTO T255-22 | Total Moisture Content of Aggregate by Drying | |
| AASHTO T84-22 | Specific Gravity and Absorption of Fine Aggregate | |
| AASHTO T85-22 | Specific Gravity and Absorption of Coars Aggregate | |
| AASHTO T180-22 or Nev. T108D-19 |
AASHTO T180: Moisture–Density Relations of Soils Using a 4.54-kg [10-lb] Rammer and 457-mm [18-in] DropNev. T108B: Method of Test For The Determination of Maximum Density and Optimum Moisture Content of Soils Using The Modified Proctor Device |
All technicians must certify for these tests:
| AASHTO T176-22 (Shaking of sample by hand is not allowed) | Plastic Fines in Graded Aggregates and Soils by Use of the Sand Equivalent Test |
| AASHTO D5821-13 | Determining the Percentage of Fractured faces in Coarse Aggregate |
| CT 227-12 | Evaluating Cleanness of Coarse Aggregate |
All technicians must certify for these tests, except, a technician can choose either T166 or T275:
| AASHTO T30-21 | Mechanical Analysis of Extracted Aggregate | Exempt if qualified in Aggregate Module, taken within one year (doesn't apply for written exam) |
| AASHTO T166-22 or AASHTO T275-22 | AASHTO T166: Bulk Specific Gravity of Compacted Bituminous Mixtures Using Saturated Surface-Dry SpecimensOrAASHTO T275: Bulk Specific Gravity of Compacted Bituminous Mixtures Using Paraffin-Coated Specimens | |
| AASHTO R47-23 | Reducing Samples of Hot Mix Asphalt (HMA) to Testing Size | Exempt if qualified in Sampling and Density Module, taken within one year (doesn't apply for written exam) |
| AASHTO T209-23 | Theoretical Maximum Specific Gravity and density of Bituminous Paving Mixtures | |
| AASHTO T269-14 | Percent Air Voids in Compacted Dense and Open Bituminous Paving Mixtures | |
| AASHTO T308-22 (Method A only) | Determining the Asphalt Binder Content of HMA by the Ignition Method | |
| AASHTO R68-22 | Preparation of Asphalt Mixtures by Means of the Marshall Apparatus | |
| AASHTO T245-22 | Resistance to Plastic Flow of Bituminous Mixtures Using Marshall Apparatus |
| AASHTO T164 (Ashing Method only) | Quantitative Extraction of Bitumen from Bituminous Paving Mixtures |
A technician can be certified in any of these tests through special arrangements with NAQTC:
| AASHTO R66 (sampling from place of manufacture; sampling at point of shipment delivery) | Sampling Asphalt Materials |
|
AASHTO T104 (sodium sulfate only) |
Soundness of Aggregate by Use of Sodium Sulfate or Magnesium Sulfate |
| AASHTO T190 (exudation method only) | Resistance R-Value and Expansion Pressure of Compacted Soils |
| AASHTO T246 | Resistance to Deformation and Cohesion of Bituminous Mixtures by Means of Hveem Apparatus |
| AASHTO T283 | Resistance of Compacted Bituminous Mixture to Moisture Induced Damage |
| ASTM C837 | Standard Test Method for Methylene Blue Index of Clay |