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Technician Information for Michael Tan
First Name | Michael |
Last Name | Tan |
Technician ID | 04410 |
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Total 2 items.
Lab Name | Manager Name | Full Address | District | Page Alias |
ENGEO, Incorporated | Derek Seibold | 3420 Fostoria Way, Suite E, Danville, CA 94526 | 4 | Lab 1 |
ENGEO, Incorporated | Donny Bryant | 17278 Golden Valley Parkway, Lathrop, CA 95330 | 10 | Lab 2 |
California Test (CT) Certifications
Total 15 items.
Test Method | Expiration Date | Status | IA Responsible | Within Lab(s) Scope | Comments |
CT 125 AGG Sampling - AGGREGATES | 2025-10-26 | Active | Ed Gamboa | Lab 1, Lab 2 | (No comments) |
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A) | 2024-11-05 | Expired | Ignocencio Herrera | Lab 1, Lab 2 | (No comments) |
CT 125 GEN Sampling - GENERAL | 2023-11-05 | Expired | Ignocencio Herrera | Lab 1, Lab 2 | (No comments) |
CT 125 HMA Sampling - HMA | 2025-10-26 | Active | Ed Gamboa | Lab 1, Lab 2 | (No comments) |
CT 125 HMA Sampling - HMA (JTCP - HMA I) | 2024-11-05 | Expired | Ignocencio Herrera | Lab 1, Lab 2 | (No comments) |
CT 231 Relative Compaction - Nuclear Gage | 2025-10-26 | Active | Ed Gamboa | Lab 1, Lab 2 | (No comments) |
CT 375 AC Density by Nuclear Gage | 2025-10-26 | Active | Ed Gamboa | Lab 1, Lab 2 | (No comments) |
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC) | 2023-08-25 | Expired | Sarbjit Grewal | Lab 1, Lab 2 | (No comments) |
CT 518 Unit Weight - PCC (JTCP - PCC) | 2023-08-25 | Expired | Sarbjit Grewal | Lab 1, Lab 2 | (No comments) |
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC) | 2023-08-25 | Expired | Sarbjit Grewal | (No lab) | (No comments) |
CT 539 Sampling Fresh Concrete (JTCP - PCC) | 2023-08-25 | Expired | Sarbjit Grewal | Lab 1, Lab 2 | (No comments) |
CT 540 Making Cylinders - PCC (JTCP - PCC) | 2023-08-25 | Expired | Sarbjit Grewal | Lab 1, Lab 2 | (No comments) |
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC) | 2023-08-25 | Expired | Sarbjit Grewal | Lab 1, Lab 2 | (No comments) |
CT 556 Slump - PCC (JTCP - PCC) | 2023-08-25 | Expired | Sarbjit Grewal | Lab 1, Lab 2 | (No comments) |
CT 557 Temperature - PCC (JTCP - PCC) | 2023-08-25 | Expired | Sarbjit Grewal | Lab 1, Lab 2 | (No comments) |
AASHTO/ASTM Proficiencies
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