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Lab details for GMED/Materials Laboratory-County of Los Angeles Department of Public Works
Basic Information
| Lab Name | GMED/Materials Laboratory-County of Los Angeles Department of Public Works |
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| Manager Name | Humberto Rios |
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| Lab Email | HRIOS@dpw.lacounty.gov |
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| Lab Telephone | 626-550-5562 |
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| Lab Fax | 323-221-6501 |
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| Lab Full Address | 1537 Alcazar Street, Los Angeles, CA 90033 |
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| Zip | 90033 |
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| Lab Type | Local Agency |
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| District | 7 |
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| Mobile Lab Full Address | , , |
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Download TL-0113
RSP Information
1537 Alcazar Street, Los Angeles, CA 90033
California Test (CT) Accreditations
AASHTO/ASTM Proficiencies
Technicians in the Lab
Technician Summary
Total 14 items.
| First Name | Last Name | Actions |
|---|
| Aslan | Abcarian | View
|
| Tadesee | Asfaw | View
|
| Garo | Avoyan | View
|
| Osvaldo | Fierro | View
|
| Octavio | Buenaventura | View
|
| Zhenya | Markosyan | View
|
| Elias | Mendez | View
|
| Luis | Ortiz | View
|
| Jose C. | Ruiz | View
|
| Luis | Ayuso | View
|
| Armando | Olmos Bahena | View
|
| Rhys | Parfitt | View
|
| Joseph | Herrera | View
|
| Michael | Gavidia | View
|
Technician Details
Details for Aslan Abcarian
| First Name | Aslan |
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| Last Name | Abcarian |
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| Status | Active |
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Total 3 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 231: Relative Compaction - Nuclear Gage | 2023-01-04 | 2025-01-04 | Expired | Majid Fahrtosh | Yes |
| CT 375: AC Density by Nuclear Gage | 2023-01-04 | 2025-01-04 | Expired | Majid Fahrtosh | Yes |
| CT 382: AC Content by Ignition Oven | 2025-04-02 | 2026-04-02 | Active | Edwin Rojas Flores | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Tadesee Asfaw
| First Name | Tadesee |
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| Last Name | Asfaw |
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| Status | Active |
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Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Garo Avoyan
| First Name | Garo |
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| Last Name | Avoyan |
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| Status | Active |
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Total 12 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 216: Relative Compaction - Soils and Aggregates (JTCP) | 2017-02-24 | 2019-02-24 | Expired | Seree Yenjai | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2025-04-12 | 2027-04-12 | Active | Edwin Rojas Flores | Yes |
| CT 304: Sample Preparation - HMA | 2025-04-12 | 2027-04-12 | Active | Edwin Rojas Flores | Yes |
| CT 308: Bulk SpG and Density - HMA | 2025-04-12 | 2027-04-12 | Active | Edwin Rojas Flores | Yes |
| CT 309: Max SpG and Density - HMA | 2025-04-12 | 2027-04-12 | Active | Edwin Rojas Flores | Yes |
| CT 375: AC Density by Nuclear Gage | 2024-04-21 | 2026-04-21 | Active | Edwin Rojas Flores | Yes |
| CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231) | 2024-04-21 | 2026-04-21 | Active | Edwin Rojas Flores | Yes |
| CT 521.1: Compressive Strength - PCC (ASTM C39 / C617) | 2024-04-21 | 2026-04-21 | Active | Edwin Rojas Flores | Yes |
| CT 539: Sampling Fresh Concrete (JTCP) | 2017-05-12 | 2019-05-12 | Expired | Seree Yenjai | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2017-05-12 | 2019-05-12 | Expired | Seree Yenjai | Yes |
| CT 556: Slump - PCC (JTCP) | 2017-05-12 | 2019-05-12 | Expired | Seree Yenjai | Yes |
| CT 557: Temperature - PCC (JTCP) | 2017-05-12 | 2019-05-12 | Expired | Seree Yenjai | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Osvaldo Fierro
| First Name | Osvaldo |
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| Last Name | Fierro |
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| Status | Active |
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Total 7 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 216: Relative Compaction - Soils and Aggregates (JTCP) | 2015-08-13 | 2017-08-13 | Expired | Seree Yenjai | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2025-04-12 | 2027-04-12 | Active | Edwin Rojas Flores | Yes |
| CT 304: Sample Preparation - HMA | 2025-04-12 | 2027-04-12 | Active | Edwin Rojas Flores | Yes |
| CT 308: Bulk SpG and Density - HMA | 2025-04-12 | 2027-04-12 | Active | Edwin Rojas Flores | Yes |
| CT 309: Max SpG and Density - HMA | 2025-04-12 | 2027-04-12 | Active | Edwin Rojas Flores | Yes |
| CT 375: AC Density by Nuclear Gage | 2025-04-12 | 2027-04-12 | Active | Edwin Rojas Flores | Yes |
| CT 382: AC Content by Ignition Oven | 2025-04-12 | 2027-04-12 | Active | Edwin Rojas Flores | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Octavio Buenaventura
| First Name | Octavio |
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| Last Name | Buenaventura |
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| Status | Active |
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Total 14 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 105: Calculations - Gradings (JTCP) | 2024-06-20 | 2027-06-20 | Active | Brian Ellis | Yes |
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2024-06-14 | 2027-06-14 | Active | Brian Ellis | No |
| CT 201: Sample Preparation - Soil and Aggregates (JTCP) | 2024-06-14 | 2027-06-14 | Active | Brian Ellis | Yes |
| CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP) | 2024-06-14 | 2027-06-14 | Active | Brian Ellis | Yes |
| CT 205: Percent Crushed Particles (JTCP) | 2024-06-14 | 2027-06-14 | Active | Brian Ellis | Yes |
| CT 206: SpG & Absorption - Coarse Aggregates | 2025-04-02 | 2026-04-02 | Active | Edwin Rojas Flores | Yes |
| CT 211: LA Rattler | 2024-06-04 | 2026-06-04 | Active | Edwin Rojas Flores | Yes |
| CT 216: Relative Compaction - Soils and Aggregates (JTCP) | 2024-06-14 | 2027-06-14 | Active | Brian Ellis | Yes |
| CT 217: Sand Equivalent (JTCP) | 2024-06-14 | 2027-06-14 | Active | Brian Ellis | Yes |
| CT 226: Moisture Content - Soils and Aggregates (JTCP) | 2024-06-14 | 2027-06-14 | Active | Brian Ellis | Yes |
| CT 227: Cleanness Value (JTCP) | 2024-06-14 | 2027-06-14 | Active | Brian Ellis | Yes |
| CT 229: Durability (JTCP) | 2024-06-14 | 2027-06-14 | Active | Brian Ellis | Yes |
| CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231) | 2024-04-21 | 2026-04-21 | Active | Edwin Rojas Flores | Yes |
| CT 521.1: Compressive Strength - PCC (ASTM C39 / C617) | 2024-04-21 | 2026-04-21 | Active | Edwin Rojas Flores | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Zhenya Markosyan
| First Name | Zhenya |
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| Last Name | Markosyan |
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| Status | Active |
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Total 3 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 105: Calculations - Gradings (JTCP) | 2016-04-28 | 2023-06-30 | Expired | Seree Yenjai | Yes |
| CT 201: Sample Preparation - Soil and Aggregates (JTCP) | 2016-04-28 | 2023-06-30 | Expired | Seree Yenjai | Yes |
| CT 206: SpG & Absorption - Coarse Aggregates | 2025-04-02 | 2026-04-02 | Active | Edwin Rojas Flores | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Elias Mendez
| First Name | Elias |
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| Last Name | Mendez |
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| Status | Active |
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Total 16 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 105: Calculations - Gradings (JTCP) | 2016-04-28 | 2023-06-30 | Expired | Seree Yenjai | Yes |
| CT 201: Sample Preparation - Soil and Aggregates (JTCP) | 2016-04-28 | 2023-06-30 | Expired | Seree Yenjai | Yes |
| CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP) | 2016-04-28 | 2018-04-28 | Expired | Seree Yenjai | Yes |
| CT 211: LA Rattler | 2016-05-12 | 2017-05-12 | Expired | Seree Yenjai | Yes |
| CT 216: Relative Compaction - Soils and Aggregates (JTCP) | 2015-08-13 | 2017-08-13 | Expired | Seree Yenjai | Yes |
| CT 217: Sand Equivalent (JTCP) | 2016-04-28 | 2018-04-28 | Expired | Seree Yenjai | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2016-03-10 | 2018-03-10 | Expired | Seree Yenjai | Yes |
| CT 304: Sample Preparation - HMA | 2015-08-13 | 2017-08-13 | Expired | Seree Yenjai | Yes |
| CT 308: Bulk SpG and Density - HMA | 2015-08-13 | 2017-08-13 | Expired | Seree Yenjai | Yes |
| CT 309: Max SpG and Density - HMA | 2015-08-13 | 2017-08-13 | Expired | Seree Yenjai | Yes |
| CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231) | 2016-05-12 | 2017-05-12 | Expired | Seree Yenjai | Yes |
| CT 521.1: Compressive Strength - PCC (ASTM C39 / C617) | 2016-05-12 | 2017-05-12 | Expired | Seree Yenjai | Yes |
| CT 539: Sampling Fresh Concrete (JTCP) | 2016-05-12 | 2017-05-12 | Expired | Seree Yenjai | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2016-05-12 | 2017-05-12 | Expired | Seree Yenjai | Yes |
| CT 556: Slump - PCC (JTCP) | 2016-05-12 | 2017-05-12 | Expired | Seree Yenjai | Yes |
| CT 557: Temperature - PCC (JTCP) | 2016-05-12 | 2017-05-12 | Expired | Seree Yenjai | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Luis Ortiz
| First Name | Luis |
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| Last Name | Ortiz |
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| Status | Active |
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Total 4 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 231: Relative Compaction - Nuclear Gage | 2023-11-13 | 2025-11-13 | Expired | Majid Fahrtosh | Yes |
| CT 375: AC Density by Nuclear Gage | 2022-01-04 | 2023-01-04 | Expired | Ashley Shaw | Yes |
| CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231) | 2023-11-13 | 2025-11-13 | Expired | Seree Yenjai | Yes |
| CT 521.1: Compressive Strength - PCC (ASTM C39 / C617) | 2023-11-13 | 2025-11-13 | Expired | Seree Yenjai | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Jose C. Ruiz
| First Name | Jose C. |
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| Last Name | Ruiz |
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| Status | Active |
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Total 4 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 231: Relative Compaction - Nuclear Gage | 2024-12-13 | 2026-12-13 | Active | Edwin Rojas Flores | Yes |
| CT 375: AC Density by Nuclear Gage | 2025-05-21 | 2027-05-21 | Active | Edwin Rojas Flores | Yes |
| CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231) | 2024-12-13 | 2026-12-13 | Active | Edwin Rojas Flores | Yes |
| CT 521.1: Compressive Strength - PCC (ASTM C39 / C617) | 2024-12-13 | 2026-12-13 | Active | Edwin Rojas Flores | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Luis Ayuso
| First Name | Luis |
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| Last Name | Ayuso |
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| Status | Active |
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Total 4 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 231: Relative Compaction - Nuclear Gage | 2024-12-13 | 2026-12-13 | Active | Edwin Rojas Flores | Yes |
| CT 375: AC Density by Nuclear Gage | 2025-05-21 | 2027-05-21 | Active | Edwin Rojas Flores | Yes |
| CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231) | 2024-12-13 | 2026-12-13 | Active | Edwin Rojas Flores | Yes |
| CT 521.1: Compressive Strength - PCC (ASTM C39 / C617) | 2024-12-13 | 2026-12-13 | Active | Edwin Rojas Flores | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Armando Olmos Bahena
| First Name | Armando |
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| Last Name | Olmos Bahena |
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| Status | Active |
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Total 3 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 231: Relative Compaction - Nuclear Gage | 2024-12-13 | 2026-12-13 | Active | Edwin Rojas Flores | Yes |
| CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231) | 2024-12-13 | 2026-12-13 | Active | Edwin Rojas Flores | Yes |
| CT 521.1: Compressive Strength - PCC (ASTM C39 / C617) | 2024-12-13 | 2026-12-13 | Active | Edwin Rojas Flores | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Rhys Parfitt
| First Name | Rhys |
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| Last Name | Parfitt |
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| Status | Active |
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Total 4 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 231: Relative Compaction - Nuclear Gage | 2025-04-02 | 2026-04-02 | Active | Edwin Rojas Flores | Yes |
| CT 375: AC Density by Nuclear Gage | 2025-04-11 | 2027-04-11 | Active | Edwin Rojas Flores | Yes |
| CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231) | 2025-04-02 | 2026-04-02 | Active | Edwin Rojas Flores | Yes |
| CT 521.1: Compressive Strength - PCC (ASTM C39 / C617) | 2025-04-02 | 2026-04-02 | Active | Edwin Rojas Flores | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Joseph Herrera
| First Name | Joseph |
|---|
| Last Name | Herrera |
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| Status | Active |
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Total 3 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 231: Relative Compaction - Nuclear Gage | 2025-04-30 | 2026-04-30 | Active | Edwin Rojas Flores | Yes |
| CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231) | 2024-12-18 | 2025-12-18 | Active | Edwin Rojas Flores | Yes |
| CT 521.1: Compressive Strength - PCC (ASTM C39 / C617) | 2024-12-18 | 2025-12-18 | Active | Edwin Rojas Flores | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Michael Gavidia
| First Name | Michael |
|---|
| Last Name | Gavidia |
|---|
| Status | Active |
|---|
Total 2 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231) | 2024-12-18 | 2025-12-18 | Active | Edwin Rojas Flores | Yes |
| CT 521.1: Compressive Strength - PCC (ASTM C39 / C617) | 2024-12-18 | 2025-12-18 | Active | Edwin Rojas Flores | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
For concerns with missing or erroneous data, please contact your Independent Assurance personnel