Lab details for RGH Geotechnical Consultants
Basic Information
| Lab Name | RGH Geotechnical Consultants |
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| Manager Name | Sean Flinn |
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| Lab Email | sflinn@rghgeo.com |
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| Lab Telephone | 707-591-5727 |
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| Lab Fax | |
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| Lab Full Address | 3501 Industrial Drive, Suite A, Santa Rosa, CA 95403 |
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| Zip | 95403 |
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| Lab Type | Private |
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| District | 4 |
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RSP Information
3501 Industrial Drive, Suite A, Santa Rosa, CA 95403
California Test (CT) Accreditations
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Technician Certified? |
|---|
No results found. |
Technicians in the Lab
Technician Summary
Total 11 items.
| First Name | Last Name | Actions |
|---|
| Sean | Flinn | View
|
| Johnny | Samarron | View
|
| Troy | Webber | View
|
| Brett | Franceschi | View
|
| Jason | Edwards | View
|
| Edwin | Taylor | View
|
| Sam | Martin | View
|
| Jered | Edwards | View
|
| Nikolas | Thompson | View
|
| Nicolas | Formosa | View
|
| Anthony | Cole | View
|
Technician Details
Details for Sean Flinn
| First Name | Sean |
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| Last Name | Flinn |
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| Status | Active |
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Total 20 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 105: Calculations - Gradings (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2016-07-24 | 2018-07-24 | Expired | Ignocencio Herrera | Yes |
| CT 201: Sample Preparation - Soil and Aggregates (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
| CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
| CT 205: Percent Crushed Particles (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
| CT 216: Relative Compaction - Soils and Aggregates (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
| CT 217: Sand Equivalent (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
| CT 226: Moisture Content - Soils and Aggregates (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
| CT 227: Cleanness Value (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
| CT 229: Durability (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2016-07-24 | 2018-07-24 | Expired | Ignocencio Herrera | Yes |
| CT 301: "R" Value | 2022-08-11 | 2024-08-11 | Active | David Small | Yes |
| CT 304: Sample Preparation - HMA | 2022-08-11 | 2024-08-11 | Active | David Small | Yes |
| CT 308: Bulk SpG and Density - HMA | 2022-08-11 | 2024-08-11 | Active | David Small | Yes |
| CT 309: Max SpG and Density - HMA | 2022-08-11 | 2024-08-11 | Active | David Small | Yes |
| CT 366: Stabilometer | 2022-08-11 | 2024-08-11 | Active | David Small | Yes |
| CT 370: Moisture Content by Microwave | 2020-07-16 | 2022-07-16 | Expired | David Small | Yes |
| CT 375: AC Density by Nuclear Gage | 2016-07-24 | 2018-07-24 | Expired | Ignocencio Herrera | Yes |
| CT 382: AC Content by Ignition Oven | 2022-08-11 | 2024-08-11 | Active | David Small | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Johnny Samarron
| First Name | Johnny |
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| Last Name | Samarron |
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| Status | Active |
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Total 13 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2019-05-09 | 2022-05-09 | Expired | Loren Lee | Yes |
| CT 125 AGG: Sampling - AGGREGATES | 2022-06-03 | 2024-06-03 | Active | David Small | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2019-05-09 | 2022-05-09 | Expired | Loren Lee | Yes |
| CT 125 HMA: Sampling - HMA | 2022-06-03 | 2024-06-03 | Active | David Small | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2022-06-03 | 2024-06-03 | Active | David Small | Yes |
| CT 375: AC Density by Nuclear Gage | 2022-06-03 | 2024-06-03 | Active | David Small | Yes |
| CT 504: Air Content of PCC - Pressure Method (JTCP) | 2020-02-22 | 2025-02-22 | Active | Sarbjit Grewal | Yes |
| CT 518: Unit Weight - PCC (JTCP) | 2020-02-22 | 2025-02-22 | Active | Sarbjit Grewal | Yes |
| CT 539: Sampling Fresh Concrete (JTCP) | 2020-02-22 | 2025-02-22 | Active | Sarbjit Grewal | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2020-02-22 | 2025-02-22 | Active | Sarbjit Grewal | Yes |
| CT 543: Air Content of PCC - Volumetric Method (JTCP) | 2020-02-22 | 2025-02-22 | Active | Sarbjit Grewal | Yes |
| CT 556: Slump - PCC (JTCP) | 2020-02-22 | 2025-02-22 | Active | Sarbjit Grewal | Yes |
| CT 557: Temperature - PCC (JTCP) | 2020-02-22 | 2025-02-22 | Active | Sarbjit Grewal | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Troy Webber
| First Name | Troy |
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| Last Name | Webber |
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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 125 AGG: Sampling - AGGREGATES (JTCP) | 2019-05-09 | 2022-05-09 | Expired | Loren Lee | Yes |
| CT 125 AGG: Sampling - AGGREGATES | 2022-06-03 | 2024-06-03 | Active | David Small | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2019-05-09 | 2022-05-09 | Expired | Loren Lee | Yes |
| CT 125 HMA: Sampling - HMA | 2022-06-03 | 2024-06-03 | Active | David Small | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2022-06-03 | 2024-06-03 | Active | David Small | Yes |
| CT 375: AC Density by Nuclear Gage | 2022-06-03 | 2024-06-03 | Active | David Small | Yes |
| CT 504: Air Content of PCC - Pressure Method (JTCP) | 2022-05-13 | 2027-05-13 | Active | Dalton LaBoskey | Yes |
| CT 518: Unit Weight - PCC (JTCP) | 2022-05-13 | 2027-05-13 | Active | Dalton LaBoskey | Yes |
| CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP) | 2022-05-13 | 2027-05-13 | Active | Dalton LaBoskey | No |
| CT 539: Sampling Fresh Concrete (JTCP) | 2022-05-13 | 2027-05-13 | Active | Dalton LaBoskey | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2022-05-13 | 2027-05-13 | Active | Dalton LaBoskey | Yes |
| CT 543: Air Content of PCC - Volumetric Method (JTCP) | 2022-05-13 | 2027-05-13 | Active | Dalton LaBoskey | Yes |
| CT 556: Slump - PCC (JTCP) | 2022-05-13 | 2027-05-13 | Active | Dalton LaBoskey | Yes |
| CT 557: Temperature - PCC (JTCP) | 2022-05-13 | 2027-05-13 | Active | Dalton LaBoskey | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Brett Franceschi
| First Name | Brett |
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| Last Name | Franceschi |
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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 125 AGG: Sampling - AGGREGATES (JTCP) | 2019-05-09 | 2022-05-09 | Expired | Loren Lee | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2019-05-09 | 2022-05-09 | Expired | Loren Lee | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2020-07-30 | 2022-07-30 | Expired | David Small | Yes |
| CT 375: AC Density by Nuclear Gage | 2020-07-20 | 2022-07-20 | Expired | David Small | Yes |
| CT 504: Air Content of PCC - Pressure Method (JTCP) | 2023-04-28 | 2028-04-28 | Active | David Medina | Yes |
| CT 518: Unit Weight - PCC (JTCP) | 2023-04-28 | 2028-04-28 | Active | David Medina | Yes |
| CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP) | 2023-04-28 | 2028-04-28 | Active | David Medina | No |
| CT 539: Sampling Fresh Concrete (JTCP) | 2023-04-28 | 2028-04-28 | Active | David Medina | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2023-04-28 | 2028-04-28 | Active | David Medina | Yes |
| CT 543: Air Content of PCC - Volumetric Method (JTCP) | 2023-04-28 | 2028-04-28 | Active | David Medina | Yes |
| CT 556: Slump - PCC (JTCP) | 2023-04-28 | 2028-04-28 | Active | David Medina | Yes |
| CT 557: Temperature - PCC (JTCP) | 2023-04-28 | 2028-04-28 | Active | David Medina | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Jason Edwards
| First Name | Jason |
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| Last Name | Edwards |
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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 125 AGG: Sampling - AGGREGATES (JTCP) | 2019-05-06 | 2022-05-06 | Expired | Loren Lee | Yes |
| CT 125 AGG: Sampling - AGGREGATES | 2022-06-03 | 2024-06-03 | Active | David Small | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2019-06-19 | 2022-06-19 | Expired | Loren Lee | Yes |
| CT 125 HMA: Sampling - HMA | 2022-06-03 | 2024-06-03 | Active | David Small | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2022-06-03 | 2024-06-03 | Active | David Small | Yes |
| CT 375: AC Density by Nuclear Gage | 2022-06-03 | 2024-06-03 | Active | David Small | Yes |
| CT 504: Air Content of PCC - Pressure Method (JTCP) | 2022-12-09 | 2027-12-09 | Active | Gabriela Lopez | Yes |
| CT 518: Unit Weight - PCC (JTCP) | 2022-12-09 | 2027-12-09 | Active | Gabriela Lopez | Yes |
| CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP) | 2022-12-09 | 2027-12-09 | Active | Gabriela Lopez | No |
| CT 539: Sampling Fresh Concrete (JTCP) | 2022-12-09 | 2027-12-09 | Active | Gabriela Lopez | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2022-12-09 | 2027-12-09 | Active | Gabriela Lopez | Yes |
| CT 543: Air Content of PCC - Volumetric Method (JTCP) | 2022-12-09 | 2027-12-09 | Active | Gabriela Lopez | Yes |
| CT 556: Slump - PCC (JTCP) | 2022-12-09 | 2027-12-09 | Active | Gabriela Lopez | Yes |
| CT 557: Temperature - PCC (JTCP) | 2022-12-09 | 2027-12-09 | Active | Gabriela Lopez | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Edwin Taylor
| First Name | Edwin |
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| Last Name | Taylor |
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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 125 AGG: Sampling - AGGREGATES (JTCP) | 2019-05-09 | 2022-05-09 | Expired | Loren Lee | Yes |
| CT 125 AGG: Sampling - AGGREGATES | 2022-06-03 | 2024-06-03 | Active | David Small | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2019-05-09 | 2022-05-09 | Expired | Loren Lee | Yes |
| CT 125 HMA: Sampling - HMA | 2022-06-03 | 2024-06-03 | Active | David Small | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2022-06-03 | 2024-06-03 | Active | David Small | Yes |
| CT 375: AC Density by Nuclear Gage | 2022-06-03 | 2024-06-03 | Active | David Small | Yes |
| CT 504: Air Content of PCC - Pressure Method (JTCP) | 2022-12-09 | 2027-12-09 | Active | Gabriela Lopez | Yes |
| CT 518: Unit Weight - PCC (JTCP) | 2022-12-09 | 2027-12-09 | Active | Gabriela Lopez | Yes |
| CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP) | 2022-12-09 | 2027-12-09 | Active | Gabriela Lopez | No |
| CT 539: Sampling Fresh Concrete (JTCP) | 2022-12-09 | 2027-12-09 | Active | Gabriela Lopez | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2022-12-09 | 2027-12-09 | Active | Gabriela Lopez | Yes |
| CT 543: Air Content of PCC - Volumetric Method (JTCP) | 2022-12-09 | 2027-12-09 | Active | Gabriela Lopez | Yes |
| CT 556: Slump - PCC (JTCP) | 2022-12-09 | 2027-12-09 | Active | Gabriela Lopez | Yes |
| CT 557: Temperature - PCC (JTCP) | 2022-12-09 | 2027-12-09 | Active | Gabriela Lopez | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Sam Martin
| First Name | Sam |
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| Last Name | Martin |
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| Status | Active |
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Total 10 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 105: Calculations - Gradings (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
| CT 201: Sample Preparation - Soil and Aggregates (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
| CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
| CT 205: Percent Crushed Particles (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
| CT 216: Relative Compaction - Soils and Aggregates (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
| CT 217: Sand Equivalent (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
| CT 226: Moisture Content - Soils and Aggregates (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
| CT 227: Cleanness Value (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
| CT 229: Durability (JTCP) | 2022-04-15 | 2025-04-15 | Active | Avinash Ralla | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Jered Edwards
| First Name | Jered |
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| Last Name | Edwards |
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| Status | Active |
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Total 8 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 504: Air Content of PCC - Pressure Method (JTCP) | 2023-02-23 | 2028-02-23 | Active | Gabriela Lopez | Yes |
| CT 518: Unit Weight - PCC (JTCP) | 2023-02-23 | 2028-02-23 | Active | Gabriela Lopez | Yes |
| CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP) | 2023-02-23 | 2028-02-23 | Active | Gabriela Lopez | No |
| CT 539: Sampling Fresh Concrete (JTCP) | 2023-02-23 | 2028-02-23 | Active | Gabriela Lopez | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2023-02-23 | 2028-02-23 | Active | Gabriela Lopez | Yes |
| CT 543: Air Content of PCC - Volumetric Method (JTCP) | 2023-02-23 | 2028-02-23 | Active | Gabriela Lopez | Yes |
| CT 556: Slump - PCC (JTCP) | 2023-02-23 | 2028-02-23 | Active | Gabriela Lopez | Yes |
| CT 557: Temperature - PCC (JTCP) | 2023-02-23 | 2028-02-23 | Active | Gabriela Lopez | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Nikolas Thompson
| First Name | Nikolas |
|---|
| Last Name | Thompson |
|---|
| Status | Active |
|---|
Total 8 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 504: Air Content of PCC - Pressure Method (JTCP) | 2023-02-24 | 2028-02-24 | Active | David Medina | Yes |
| CT 518: Unit Weight - PCC (JTCP) | 2023-02-24 | 2028-02-24 | Active | David Medina | Yes |
| CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP) | 2023-02-24 | 2028-02-24 | Active | David Medina | No |
| CT 539: Sampling Fresh Concrete (JTCP) | 2023-02-24 | 2028-02-24 | Active | David Medina | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2023-02-24 | 2028-02-24 | Active | David Medina | Yes |
| CT 543: Air Content of PCC - Volumetric Method (JTCP) | 2023-02-24 | 2028-02-24 | Active | David Medina | Yes |
| CT 556: Slump - PCC (JTCP) | 2023-02-24 | 2028-02-24 | Active | David Medina | Yes |
| CT 557: Temperature - PCC (JTCP) | 2023-02-24 | 2028-02-24 | Active | David Medina | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Nicolas Formosa
| First Name | Nicolas |
|---|
| Last Name | Formosa |
|---|
| Status | Active |
|---|
Total 8 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 504: Air Content of PCC - Pressure Method (JTCP) | 2022-07-15 | 2027-07-15 | Active | David Medina | Yes |
| CT 518: Unit Weight - PCC (JTCP) | 2022-07-15 | 2027-07-15 | Active | David Medina | Yes |
| CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP) | 2022-07-15 | 2027-07-15 | Active | David Medina | No |
| CT 539: Sampling Fresh Concrete (JTCP) | 2022-07-15 | 2027-07-15 | Active | David Medina | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2022-07-15 | 2027-07-15 | Active | David Medina | Yes |
| CT 543: Air Content of PCC - Volumetric Method (JTCP) | 2022-07-15 | 2027-07-15 | Active | David Medina | Yes |
| CT 556: Slump - PCC (JTCP) | 2022-07-15 | 2027-07-15 | Active | David Medina | Yes |
| CT 557: Temperature - PCC (JTCP) | 2022-07-15 | 2027-07-15 | Active | David Medina | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Anthony Cole
| First Name | Anthony |
|---|
| Last Name | Cole |
|---|
| Status | Active |
|---|
Total 8 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 504: Air Content of PCC - Pressure Method (JTCP) | 2023-02-24 | 2028-02-24 | Active | David Medina | Yes |
| CT 518: Unit Weight - PCC (JTCP) | 2023-02-24 | 2028-02-24 | Active | David Medina | Yes |
| CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP) | 2023-02-24 | 2028-02-24 | Active | David Medina | No |
| CT 539: Sampling Fresh Concrete (JTCP) | 2023-02-24 | 2028-02-24 | Active | David Medina | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2023-02-24 | 2028-02-24 | Active | David Medina | Yes |
| CT 543: Air Content of PCC - Volumetric Method (JTCP) | 2023-02-24 | 2028-02-24 | Active | David Medina | Yes |
| CT 556: Slump - PCC (JTCP) | 2023-02-24 | 2028-02-24 | Active | David Medina | Yes |
| CT 557: Temperature - PCC (JTCP) | 2023-02-24 | 2028-02-24 | Active | David Medina | 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