Lab details for Twining Laboratories of Southern California
Basic Information
| Lab Name | Twining Laboratories of Southern California |
|---|---|
| Manager Name | Jeff Tawakoli |
| Lab Email | jtawakoli@twininginc.com |
| Lab Telephone | 805-644-5100 |
| Lab Fax | |
| Lab Full Address | 1879 Portola Road, Suite G, Ventura, CA 93003 |
| Zip | 93003 |
| Lab Type | Private |
| District | 7 |
| Mobile Lab Full Address | , , |
RSP Information
1879 Portola Road, Suite G, Ventura, CA 93003
Test Methods
California Test (CT) Accreditations
Total 34 items.
AASHTO/ASTM Proficiencies
Total 2 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Technician Certified? | Comments |
|---|---|---|---|---|---|---|
| AASHTO T209: Max SpG and Density - HMA (JTCP) | 2026-04-07 | 2027-04-07 | Active | Jay Horton | Yes | (not set) |
| AASHTO T304: Uncompacted Void - Fine Aggregate | 2026-04-07 | 2027-04-07 | Active | Jay Horton | No | (not set) |
Technicians in the Lab
Technician Summary
Technician Details
Details for Glenn Taylor
| First Name | Glenn |
|---|---|
| Last Name | Taylor |
| Status | Active |
Total 32 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| CT 105: Calculations - Gradings (JTCP) | 2022-05-20 | 2025-05-20 | Expired | Firooz Ahmad Hosainy | Yes |
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2026-02-27 | 2029-02-27 | Active | Firooz Ahmad Hosainy | Yes |
| CT 125 CEM: Sampling - CEM | 2017-06-27 | 2019-06-27 | Expired | Seree Yenjai | Yes |
| CT 125 GEN: Sampling - GENERAL | 2017-06-27 | 2019-06-27 | Expired | Seree Yenjai | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2025-10-31 | 2028-10-31 | Active | Wei Geng | Yes |
| CT 201: Sample Preparation - Soil and Aggregates (JTCP) | 2026-02-27 | 2029-02-27 | Active | Firooz Ahmad Hosainy | Yes |
| CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP) | 2026-02-27 | 2029-02-27 | Active | Firooz Ahmad Hosainy | Yes |
| CT 205: Percent Crushed Particles (JTCP) | 2026-02-27 | 2029-02-27 | Active | Firooz Ahmad Hosainy | Yes |
| CT 206: SpG & Absorption - Coarse Aggregates | 2021-06-23 | 2022-06-23 | Expired | Majid Fahrtosh | Yes |
| CT 216: Relative Compaction - Soils and Aggregates (JTCP) | 2026-02-27 | 2029-02-27 | Active | Firooz Ahmad Hosainy | Yes |
| CT 217: Sand Equivalent (JTCP) | 2026-02-27 | 2029-02-27 | Active | Firooz Ahmad Hosainy | Yes |
| CT 226: Moisture Content - Soils and Aggregates (JTCP) | 2026-02-27 | 2029-02-27 | Active | Firooz Ahmad Hosainy | Yes |
| CT 227: Cleanness Value (JTCP) | 2026-02-27 | 2029-02-27 | Active | Firooz Ahmad Hosainy | Yes |
| CT 229: Durability (JTCP) | 2026-02-27 | 2029-02-27 | Active | Firooz Ahmad Hosainy | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2017-09-14 | 2018-09-14 | Expired | Seree Yenjai | Yes |
| CT 306: Reducing Samples of Asphalt Mixtures (JTCP) | 2025-10-31 | 2028-10-31 | Active | Wei Geng | No |
| CT 308: Bulk SpG and Density - HMA | 2021-06-23 | 2022-06-23 | Expired | Majid Fahrtosh | Yes |
| CT 309: Max SpG and Density - HMA | 2021-06-23 | 2022-06-23 | Expired | Majid Fahrtosh | Yes |
| CT 370: Moisture Content by Microwave | 2021-06-23 | 2022-06-23 | Expired | Majid Fahrtosh | Yes |
| CT 382: AC Content by Ignition Oven | 2021-06-23 | 2022-06-23 | Expired | Majid Fahrtosh | Yes |
| CT 504: Air Content of PCC - Pressure Method (JTCP) | 2017-07-01 | 2022-07-01 | Expired | Biplab Bhattacharya | Yes |
| CT 518: Unit Weight - PCC (JTCP) | 2017-07-01 | 2022-07-01 | Expired | Biplab Bhattacharya | Yes |
| CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231) | 2025-10-21 | 2026-10-21 | Active | Jay Horton | Yes |
| CT 521.1: Compressive Strength - PCC (ASTM C39 / C617) | 2025-10-21 | 2026-10-21 | Active | Jay Horton | Yes |
| CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP) | 2020-02-26 | 2022-02-26 | Expired | Majid Fahrtosh | Yes |
| CT 523.2 Section B.3: Flexural Strength (Lab Test) | 2025-10-21 | 2026-10-21 | Active | Jay Horton | Yes |
| CT 533: Ball Penetration - PCC | 2017-09-14 | 2018-09-14 | Expired | Seree Yenjai | Yes |
| CT 539: Sampling Fresh Concrete (JTCP) | 2017-07-01 | 2022-07-01 | Expired | Biplab Bhattacharya | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2017-07-01 | 2022-07-01 | Expired | Biplab Bhattacharya | Yes |
| CT 543: Air Content of PCC - Volumetric Method (JTCP) | 2017-07-01 | 2022-07-01 | Expired | Biplab Bhattacharya | No |
| CT 556: Slump - PCC (JTCP) | 2017-07-01 | 2022-07-01 | Expired | Biplab Bhattacharya | Yes |
| CT 557: Temperature - PCC (JTCP) | 2017-07-01 | 2022-07-01 | Expired | Biplab Bhattacharya | Yes |
Total 14 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP) | 2025-10-31 | 2028-10-31 | Active | Wei Geng | No |
| AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP) | 2025-10-31 | 2028-10-31 | Active | Wei Geng | No |
| AASHTO T30: Mechanical Analysis of Extracted Aggregate (JTCP) | 2025-10-31 | 2028-10-31 | Active | Wei Geng | No |
| AASHTO R47: Reducing Samples of HMA (JTCP) | 2025-10-31 | 2028-10-31 | Active | Wei Geng | No |
| AASHTO R76: Reducing Samples of Agg (JTCP) | 2025-10-31 | 2028-10-31 | Active | Wei Geng | No |
| AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP) | 2025-05-22 | 2028-05-22 | Active | Firooz Ahmad Hosainy | No |
| AASHTO T176: Sand Equivalent (JTCP) | 2025-10-31 | 2028-10-31 | Active | Wei Geng | No |
| AASHTO T209: Max SpG and Density - HMA (JTCP) | 2025-05-22 | 2028-05-22 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T255: Evaporable Moisture Content (JTCP) | 2025-10-31 | 2028-10-31 | Active | Wei Geng | No |
| AASHTO T269: Percent Air Voids - HMA (JTCP) | 2025-05-22 | 2028-05-22 | Active | Firooz Ahmad Hosainy | No |
| AASHTO T275: Bulk SpG - HMA (JTCP) | 2025-05-22 | 2028-05-22 | Active | Firooz Ahmad Hosainy | No |
| AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP) | 2025-05-22 | 2028-05-22 | Active | Firooz Ahmad Hosainy | No |
| AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP) | 2025-10-31 | 2028-10-31 | Active | Wei Geng | No |
| AASHTO T335: Percentage of Fracture (JTCP) | 2025-10-31 | 2028-10-31 | Active | Wei Geng | No |
Details for Sean Bautista
| First Name | Sean |
|---|---|
| Last Name | Bautista |
| Status | Active |
Total 17 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| CT 105: Calculations - Gradings (JTCP) | 2024-02-16 | 2027-02-16 | Active | Firooz Ahmad Hosainy | Yes |
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2025-10-08 | 2028-10-08 | Active | Sarmad Dalal | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2025-10-08 | 2028-10-08 | Active | Sarmad Dalal | Yes |
| CT 201: Sample Preparation - Soil and Aggregates (JTCP) | 2024-02-16 | 2027-02-16 | Active | Firooz Ahmad Hosainy | Yes |
| CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP) | 2024-02-16 | 2027-02-16 | Active | Firooz Ahmad Hosainy | Yes |
| CT 205: Percent Crushed Particles (JTCP) | 2024-02-16 | 2027-02-16 | Active | Firooz Ahmad Hosainy | Yes |
| CT 216: Relative Compaction - Soils and Aggregates (JTCP) | 2024-02-16 | 2027-02-16 | Active | Firooz Ahmad Hosainy | Yes |
| CT 217: Sand Equivalent (JTCP) | 2024-02-16 | 2027-02-16 | Active | Firooz Ahmad Hosainy | Yes |
| CT 226: Moisture Content - Soils and Aggregates (JTCP) | 2024-02-16 | 2027-02-16 | Active | Firooz Ahmad Hosainy | Yes |
| CT 227: Cleanness Value (JTCP) | 2024-02-16 | 2027-02-16 | Active | Firooz Ahmad Hosainy | Yes |
| CT 229: Durability (JTCP) | 2024-02-16 | 2027-02-16 | Active | Firooz Ahmad Hosainy | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2023-12-20 | 2024-12-20 | Expired | Majid Fahrtosh | Yes |
| CT 306: Reducing Samples of Asphalt Mixtures (JTCP) | 2025-10-08 | 2028-10-08 | Active | Sarmad Dalal | No |
| CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231) | 2025-03-25 | 2027-03-25 | Active | Jay Horton | Yes |
| CT 521.1: Compressive Strength - PCC (ASTM C39 / C617) | 2023-04-05 | 2024-04-05 | Expired | Ashley Shaw | Yes |
| CT 523.2 Section B.3: Flexural Strength (Lab Test) | 2025-03-25 | 2027-03-25 | Active | Jay Horton | Yes |
| CT 524: Flexural Strength of Rapid Strength - PCC | 2025-03-25 | 2027-03-25 | Active | Jay Horton | No |
Total 14 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP) | 2025-10-08 | 2028-10-08 | Active | Sarmad Dalal | No |
| AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP) | 2025-10-08 | 2028-10-08 | Active | Sarmad Dalal | No |
| AASHTO T30: Mechanical Analysis of Extracted Aggregate (JTCP) | 2025-10-08 | 2028-10-08 | Active | Sarmad Dalal | No |
| AASHTO R47: Reducing Samples of HMA (JTCP) | 2025-10-08 | 2028-10-08 | Active | Sarmad Dalal | No |
| AASHTO R76: Reducing Samples of Agg (JTCP) | 2025-10-08 | 2028-10-08 | Active | Sarmad Dalal | No |
| AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP) | 2026-04-10 | 2029-04-10 | Active | Gabriela Lopez | No |
| AASHTO T176: Sand Equivalent (JTCP) | 2025-10-08 | 2028-10-08 | Active | Sarmad Dalal | No |
| AASHTO T209: Max SpG and Density - HMA (JTCP) | 2026-04-10 | 2029-04-10 | Active | Gabriela Lopez | Yes |
| AASHTO T255: Evaporable Moisture Content (JTCP) | 2025-10-08 | 2028-10-08 | Active | Sarmad Dalal | No |
| AASHTO T269: Percent Air Voids - HMA (JTCP) | 2026-04-10 | 2029-04-10 | Active | Gabriela Lopez | No |
| AASHTO T275: Bulk SpG - HMA (JTCP) | 2026-04-10 | 2029-04-10 | Active | Gabriela Lopez | No |
| AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP) | 2026-04-10 | 2029-04-10 | Active | Gabriela Lopez | No |
| AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP) | 2025-10-08 | 2028-10-08 | Active | Sarmad Dalal | No |
| AASHTO T335: Percentage of Fracture (JTCP) | 2025-10-08 | 2028-10-08 | Active | Sarmad Dalal | No |
For concerns with missing or erroneous data, please contact your Independent Assurance personnel