| CT 105 Calculations - Gradings (JTCP - HMA I / S&A) | 2025-04-11 | 2024-06-13 | Expired | Robby Rodriguez | (No lab) | passed written 2nd try |
| CT 106 Definitions - Specific Gravity (SpG) | 2025-03-25 | 2028-03-25 | Active | Robby Rodriguez | (No lab) | (No comments) |
| CT 125 ADMIX Sampling - ADMIXTURE | 2024-08-10 | 2023-11-09 | Expired | Robby Rodriguez | (No lab) | had to use future date to give 3yr cert. |
| CT 125 AGG Sampling - AGGREGATES | 2023-04-06 | 2023-01-02 | Expired | Martiniano Ruiz | (No lab) | (No comments) |
| CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A) | 2025-04-11 | 2028-04-11 | Active | Robby Rodriguez | (No lab) | (No comments) |
| CT 125 BIT Sampling - BITUMINOUS | 2024-08-25 | 2023-11-09 | Expired | Robby Rodriguez | (No lab) | had to lie to make it work |
| CT 125 CEM Sampling - CEM | 2023-10-18 | 2024-10-18 | Expired | Robby Rodriguez | (No lab) | (No comments) |
| CT 125 HMA Sampling - HMA (JTCP - HMA I) | | | Inactive | Robby Rodriguez | (No lab) | (No comments) |
| CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A) | 2025-04-11 | 2028-04-11 | Active | Robby Rodriguez | (No lab) | (No comments) |
| CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A) | 2025-04-11 | 2028-04-11 | Active | Robby Rodriguez | (No lab) | passed 105..ia74 |
| CT 205 Percent Crushed Particles (JTCP - S&A) | 2025-04-11 | 2028-04-11 | Active | Robby Rodriguez | (No lab) | passed written 2nd try 3-22-24 |
| CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A) | 2025-04-11 | 2028-04-11 | Active | Robby Rodriguez | (No lab) | (No comments) |
| CT 217 Sand Equivalent (JTCP - S&A) | 2025-04-11 | 2028-04-11 | Active | Robby Rodriguez | (No lab) | (No comments) |
| CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A) | 2025-04-11 | 2028-04-11 | Active | Robby Rodriguez | (No lab) | (No comments) |
| CT 227 Cleanness Value (JTCP - S&A) | 2025-04-11 | 2028-04-11 | Active | Robby Rodriguez | (No lab) | (No comments) |
| CT 229 Durability (JTCP - S&A) | 2025-04-11 | 2028-04-11 | Active | Robby Rodriguez | (No lab) | testing a theory |
| CT 231 Relative Compaction - Nuclear Gage | 2024-03-06 | 2025-03-06 | Expired | Robby Rodriguez | (No lab) | (No comments) |
| CT 233 Gamma-Gamma Test | 2025-04-09 | 2026-04-09 | Active | Robby Rodriguez | (No lab) | (No comments) |
| CT 306 Reducing Samples of Asphalt Mixtures (JTCP - HMA I) | | | Inactive | Robby Rodriguez | (No lab) | (No comments) |
| CT 310 Hot Solvent Extraction | | | Inactive | Robby Rodriguez | (No lab) | (No comments) |
| CT 331 Residue by Evaporation | | | Inactive | Robby Rodriguez | (No lab) | (No comments) |
| CT 504 Air Content of PCC - Pressure Method (JTCP - PCC) | 2023-08-10 | 2023-09-24 | Expired | Martiniano Ruiz | (No lab) | (No comments) |
| CT 518 Unit Weight - PCC (JTCP - PCC) | | | Inactive | Robby Rodriguez | (No lab) | (No comments) |
| CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC) | 2023-08-10 | 2028-08-10 | Active | Martiniano Ruiz | (No lab) | this is not automatically given yet. |
| CT 529 Proportions in PCC - Coarse Aggregates | 2025-01-12 | 2026-01-12 | Active | Robby Rodriguez | (No lab) | (No comments) |
| CT 539 Sampling Fresh Concrete (JTCP - PCC) | 2023-08-10 | 2028-08-10 | Active | Martiniano Ruiz | (No lab) | (No comments) |
| CT 540 Making Cylinders - PCC (JTCP - PCC) | 2023-08-10 | 2028-08-10 | Active | Martiniano Ruiz | (No lab) | (No comments) |
| CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC) | 2023-08-10 | 2028-08-10 | Active | Martiniano Ruiz | (No lab) | (No comments) |
| CT 552 Relative Compaction of Polymer Concrete | 2021-09-10 | 2022-09-10 | Expired | Robby Rodriguez | (No lab) | (No comments) |
| CT 556 Slump - PCC (JTCP - PCC) | 2023-08-10 | 2028-08-10 | Active | Martiniano Ruiz | (No lab) | (No comments) |
| CT 557 Temperature - PCC (JTCP - PCC) | 2023-08-10 | 2028-08-10 | Active | Martiniano Ruiz | (No lab) | (No comments) |
| CT 643 Resistivity and pH Measurements | 2023-08-11 | 2024-08-11 | Expired | Robby Rodriguez | (No lab) | to show richard |