| CT 105 Calculations - Gradings (JTCP - HMA I / S&A) | 2026-12-15 | Active | Firooz Ahmad Hosainy | Lab 1 | Original cert by Jeff Rush to Lachaine & Associate issued on 7/5/17. Transferred on 1/28/2019. |
| CT 125 ADMIX Sampling - ADMIXTURE | 2026-11-08 | Active | Rabiul Hyder | Lab 1 | (No comments) |
| CT 125 AGG Sampling - AGGREGATES | 2026-11-08 | Active | Rabiul Hyder | (No lab) | (No comments) |
| CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A) | 2022-11-22 | Expired | Seree Yenjai | Lab 1 | (No comments) |
| CT 125 BIT Sampling - BITUMINOUS | 2026-12-01 | Active | Jay Horton | Lab 1 | (No comments) |
| CT 125 CEM Sampling - CEM | 2026-11-08 | Active | Rabiul Hyder | Lab 1 | (No comments) |
| CT 125 GEN Sampling - GENERAL | 2026-12-01 | Active | Jay Horton | Lab 1 | (No comments) |
| CT 125 HMA Sampling - HMA | 2026-11-08 | Active | Rabiul Hyder | (No lab) | (No comments) |
| CT 125 HMA Sampling - HMA (JTCP - HMA I) | 2022-11-22 | Expired | Seree Yenjai | Lab 1 | (No comments) |
| CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A) | 2026-12-15 | Active | Firooz Ahmad Hosainy | Lab 1 | (No comments) |
| CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A) | 2026-12-15 | Active | Firooz Ahmad Hosainy | Lab 1 | (No comments) |
| CT 205 Percent Crushed Particles (JTCP - S&A) | 2026-12-15 | Active | Firooz Ahmad Hosainy | Lab 1 | (No comments) |
| CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A) | 2026-12-15 | Active | Firooz Ahmad Hosainy | Lab 1 | (No comments) |
| CT 217 Sand Equivalent (JTCP - S&A) | 2026-12-15 | Active | Firooz Ahmad Hosainy | Lab 1 | (No comments) |
| CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A) | 2026-12-15 | Active | Firooz Ahmad Hosainy | Lab 1 | (No comments) |
| CT 227 Cleanness Value (JTCP - S&A) | 2026-12-15 | Active | Firooz Ahmad Hosainy | Lab 1 | (No comments) |
| CT 229 Durability (JTCP - S&A) | 2026-12-15 | Active | Firooz Ahmad Hosainy | Lab 1 | (No comments) |
| CT 231 Relative Compaction - Nuclear Gage | 2026-12-01 | Active | Jay Horton | Lab 1 | (No comments) |
| CT 375 AC Density by Nuclear Gage | 2026-12-01 | Active | Jay Horton | (No lab) | (No comments) |
| CT 504 Air Content of PCC - Pressure Method (JTCP - PCC) | 2026-03-12 | Active | Avinash Ralla | Lab 1 | (No comments) |
| CT 518 Unit Weight - PCC (JTCP - PCC) | 2026-03-12 | Active | Avinash Ralla | Lab 1 | (No comments) |
| CT 521.1 Compressive Strength - PCC (ASTM C39 / C617) | 2026-12-01 | Active | Jay Horton | Lab 1 | Created based on CT521 certificate ID94348 |
| CT 521.2 Compressive Strength - PCC (ASTM C39 / C1231) | 2026-12-01 | Active | Jay Horton | Lab 1 | Created based on CT521 certificate ID94348 |
| CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC) | 2026-03-12 | Active | Avinash Ralla | Lab 1 | (No comments) |
| CT 523.2 Section B.3 Flexural Strength (Lab Test) | 2026-12-01 | Active | Jay Horton | Lab 1 | (No comments) |
| CT 524 Flexural Strength of Rapid Strength - PCC | 2026-12-01 | Active | Jay Horton | Lab 1 | (No comments) |
| CT 533 Ball Penetration - PCC | 2026-12-01 | Active | Jay Horton | Lab 1 | (No comments) |
| CT 539 Sampling Fresh Concrete (JTCP - PCC) | 2026-03-12 | Active | Avinash Ralla | Lab 1 | (No comments) |
| CT 540 Making Cylinders - PCC (JTCP - PCC) | 2026-03-12 | Active | Avinash Ralla | Lab 1 | (No comments) |
| CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC) | 2026-03-12 | Active | Avinash Ralla | Lab 1 | (No comments) |
| CT 556 Slump - PCC (JTCP - PCC) | 2026-03-12 | Active | Avinash Ralla | Lab 1 | (No comments) |
| CT 557 Temperature - PCC (JTCP - PCC) | 2026-03-12 | Active | Avinash Ralla | Lab 1 | (No comments) |