Tester Information for Jose Leon Amparan
| First Name | Jose Leon |
|---|---|
| Last Name | Amparan |
| Status | Active |
Associated Labs
Total 2 items.
| Lab Name | Manager Name | Full Address | District | Page Alias |
|---|---|---|---|---|
| Graniterock - Redwood City | Douglas Lemon | 365 Blomquist Street, Redwood City, CA 94063 | 4 | Lab 1 |
| Graniterock - South San Francisco | Douglas Lemon | 1321 Lowrie Avenue, South San Francisco, CA 95004 | 4 | Lab 2 |
Test Methods
California Test (CT) Certifications
Total 5 items.
| Test Method | Expiration Date | Status | IA Responsible | Within Lab(s) Scope | Comments |
|---|---|---|---|---|---|
| CT 375 AC Density by Nuclear Gage | 2022-03-10 | Expired | David Small | Lab 1, Lab 2 | (No comments) |
| CT 105 Calculations - Gradings (JTCP - HMA I / S&A) | 2026-02-17 | Active | David Medina | Lab 1, Lab 2 | (No comments) |
| CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A) | 2026-02-17 | Active | David Medina | Lab 1, Lab 2 | (No comments) |
| CT 125 HMA Sampling - HMA (JTCP - HMA I) | 2026-02-17 | Active | David Medina | Lab 1, Lab 2 | (No comments) |
| CT 306 Reducing Samples of Asphalt Mixtures (JTCP - HMA I) | 2026-02-17 | Active | David Medina | Lab 1, Lab 2 | (No comments) |
AASHTO/ASTM Proficiencies
Total 16 items.
For concerns with missing or erroneous data, please contact your Independent Assurance personnel