Tester Information for DingXin Cheng
| First Name | DingXin |
|---|---|
| Last Name | Cheng |
| Status | Active |
Associated Labs
Total 1 item.
| Lab Name | Manager Name | Full Address | District | Page Alias |
|---|---|---|---|---|
| Chico State University | Dingxin Cheng | 400 West First Street, Langdon Hall, Suite 203, Chico, CA 95929 | 2 | Lab 1 |
Test Methods
California Test (CT) Certifications
Total 8 items.
| Test Method | Expiration Date | Status | IA Responsible | Within Lab(s) Scope | Comments |
|---|---|---|---|---|---|
| CT 125 GEN Sampling - GENERAL | 2019-09-01 | Expired | Natalie Rivinius | Lab 1 | (No comments) |
| CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A) | 2019-09-01 | Expired | Natalie Rivinius | Lab 1 | (No comments) |
| CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A) | 2019-09-01 | Expired | Natalie Rivinius | Lab 1 | (No comments) |
| CT 308 Bulk SpG and Density - HMA | 2019-09-01 | Expired | Natalie Rivinius | Lab 1 | (No comments) |
| CT 309 Max SpG and Density - HMA | 2019-09-01 | Expired | Natalie Rivinius | Lab 1 | (No comments) |
| CT 105 Calculations - Gradings (JTCP - HMA I / S&A) | 2023-06-30 | Expired | Natalie Rivinius | Lab 1 | (No comments) |
| CT 106 Definitions - Specific Gravity (SpG) | 2023-06-30 | Expired | Natalie Rivinius | Lab 1 | (No comments) |
| CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A) | 2023-06-30 | Expired | Natalie Rivinius | Lab 1 | (No comments) |
AASHTO/ASTM Proficiencies
| Test Method | Expiration Date | Status | IA Responsible | Within Lab(s) Scope | Comments |
|---|---|---|---|---|---|
No results found. | |||||
For concerns with missing or erroneous data, please contact your Independent Assurance personnel