Lab details for Butte County
Basic Information
| Lab Name | Butte County |
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| Manager Name | Todd Estes |
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| Lab Email | testes@buttecounty.net |
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| Lab Telephone | 530-538-7681 |
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| Lab Fax | 530-538-7171 |
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| Lab Full Address | 11 County Center Drive, Oroville, CA 95965 |
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| Zip | 95965 |
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| Lab Type | Local Agency |
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| District | 3 |
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RSP Information
11 County Center Drive, Oroville, CA 95965
California Test (CT) Accreditations
AASHTO/ASTM Proficiencies
Testers in the Lab
Tester Summary
Total 6 items.
| First Name | Last Name | Actions |
|---|
| Scott | Hightower | View
|
| Danny | Chow | View
|
| Todd | Estes | View
|
| Kevin | Serrao | View
|
| Joshua | Workman | View
|
| Michael | Hovey | View
|
Tester Details
Details for Scott Hightower
| First Name | Scott |
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| Last Name | Hightower |
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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 105: Calculations - Gradings (JTCP) | 2016-04-18 | 2023-06-30 | Active | Ignocencio Herrera | Yes |
| CT 125 AGG: Sampling - AGGREGATES | 2021-04-15 | 2023-04-15 | Active | Jackie Treat | Yes |
| CT 125 GEN: Sampling - GENERAL | 2021-04-15 | 2023-04-15 | Active | Jackie Treat | Yes |
| CT 125 HMA: Sampling - HMA | 2021-04-15 | 2023-04-15 | Active | Jackie Treat | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Danny Chow
| First Name | Danny |
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| Last Name | Chow |
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| Status | Active |
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Total 15 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 105: Calculations - Gradings (JTCP) | 2018-05-11 | 2021-05-11 | Expired | Biplab Bhattacharya | Yes |
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2018-05-11 | 2021-05-11 | Expired | Biplab Bhattacharya | Yes |
| CT 201: Sample Preparation - Soil and Aggregates (JTCP) | 2018-05-11 | 2021-05-11 | Expired | Biplab Bhattacharya | Yes |
| CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP) | 2018-05-11 | 2021-05-11 | Expired | Biplab Bhattacharya | Yes |
| CT 205: Percent Crushed Particles (JTCP) | 2018-05-11 | 2021-05-11 | Expired | Biplab Bhattacharya | Yes |
| CT 216: Relative Compaction - Soils and Aggregates (JTCP) | 2018-05-11 | 2021-05-11 | Expired | Biplab Bhattacharya | Yes |
| CT 217: Sand Equivalent (JTCP) | 2018-05-11 | 2021-05-11 | Expired | Biplab Bhattacharya | Yes |
| CT 226: Moisture Content - Soils and Aggregates (JTCP) | 2018-05-11 | 2021-05-11 | Expired | Biplab Bhattacharya | Yes |
| CT 227: Cleanness Value (JTCP) | 2018-05-11 | 2021-05-11 | Expired | Biplab Bhattacharya | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2018-04-18 | 2020-04-18 | Expired | Ignocencio Herrera | Yes |
| CT 518: Unit Weight - PCC (JTCP) | 2016-04-18 | 2018-04-18 | Expired | Ignocencio Herrera | Yes |
| CT 533: Ball Penetration - PCC | 2016-04-18 | 2018-04-18 | Expired | Ignocencio Herrera | Yes |
| CT 539: Sampling Fresh Concrete (JTCP) | 2016-04-18 | 2018-04-18 | Expired | Ignocencio Herrera | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2016-04-18 | 2018-04-18 | Expired | Ignocencio Herrera | Yes |
| CT 557: Temperature - PCC (JTCP) | 2016-04-18 | 2018-04-18 | Expired | Ignocencio Herrera | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Todd Estes
| First Name | Todd |
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| Last Name | Estes |
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| Status | Active |
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Total 21 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 105: Calculations - Gradings (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| CT 201: Sample Preparation - Soil and Aggregates (JTCP) | 2021-05-05 | 2024-05-05 | Active | Soroosh Amelian | Yes |
| CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP) | 2021-05-05 | 2024-05-05 | Active | Soroosh Amelian | Yes |
| CT 205: Percent Crushed Particles (JTCP) | 2021-05-05 | 2024-05-05 | Active | Soroosh Amelian | Yes |
| CT 216: Relative Compaction - Soils and Aggregates (JTCP) | 2021-05-05 | 2024-05-05 | Active | Soroosh Amelian | Yes |
| CT 217: Sand Equivalent (JTCP) | 2021-05-05 | 2024-05-05 | Active | Soroosh Amelian | Yes |
| CT 226: Moisture Content - Soils and Aggregates (JTCP) | 2021-05-05 | 2024-05-05 | Active | Soroosh Amelian | Yes |
| CT 227: Cleanness Value (JTCP) | 2021-05-05 | 2024-05-05 | Active | Dalton LaBoskey | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2021-04-15 | 2023-04-15 | Active | Jackie Treat | Yes |
| CT 235: Flat and Elongated Particles | 2022-04-29 | 2023-04-29 | Active | Husam Makhoul | Yes |
| CT 306: Reducing Samples of Asphalt Mixtures (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| CT 504: Air Content of PCC - Pressure Method (JTCP) | 2018-04-14 | 2023-04-14 | Active | Jackie Treat | Yes |
| CT 518: Unit Weight - PCC (JTCP) | 2018-04-14 | 2023-04-14 | Active | Jackie Treat | Yes |
| CT 533: Ball Penetration - PCC | 2016-04-18 | 2018-04-18 | Expired | Ignocencio Herrera | Yes |
| CT 539: Sampling Fresh Concrete (JTCP) | 2018-04-14 | 2023-04-14 | Active | Jackie Treat | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2018-04-14 | 2023-04-14 | Active | Jackie Treat | Yes |
| CT 543: Air Content of PCC - Volumetric Method (JTCP) | 2018-04-14 | 2023-04-14 | Active | Jackie Treat | Yes |
| CT 556: Slump - PCC (JTCP) | 2018-04-14 | 2023-04-14 | Active | Jackie Treat | Yes |
| CT 557: Temperature - PCC (JTCP) | 2018-04-14 | 2023-04-14 | Active | Jackie Treat | Yes |
Total 8 items.
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| AASHTO R47: Reducing Samples of HMA (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| AASHTO R76: Reducing Samples of Agg (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| AASHTO T176: Sand Equivalent (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| AASHTO T255: Evaporable Moisture Content (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| AASHTO T335: Percentage of Fracture (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
Details for Kevin Serrao
| First Name | Kevin |
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| Last Name | Serrao |
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| Status | Inactive |
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Total 4 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 105: Calculations - Gradings (JTCP) | 2018-03-28 | 2021-04-16 | Expired | Jackie Treat | Yes |
| CT 125 AGG: Sampling - AGGREGATES | 2021-04-15 | 2023-04-15 | Active | Jackie Treat | Yes |
| CT 125 GEN: Sampling - GENERAL | 2021-04-15 | 2023-04-15 | Active | Jackie Treat | Yes |
| CT 125 HMA: Sampling - HMA | 2021-04-15 | 2023-04-15 | Active | Jackie Treat | Yes |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
No results found. |
Details for Joshua Workman
| First Name | Joshua |
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| Last Name | Workman |
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| Status | Active |
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Total 21 items.
Certified California Tests(CT)
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| CT 105: Calculations - Gradings (JTCP) | 2020-02-07 | 2023-02-07 | Active | Sarbjit Grewal | Yes |
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2020-02-07 | 2023-02-07 | Active | Sarbjit Grewal | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| CT 201: Sample Preparation - Soil and Aggregates (JTCP) | 2020-02-07 | 2023-02-07 | Active | Sarbjit Grewal | Yes |
| CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP) | 2020-02-07 | 2023-02-07 | Active | Sarbjit Grewal | Yes |
| CT 205: Percent Crushed Particles (JTCP) | 2020-02-07 | 2023-02-07 | Active | Sarbjit Grewal | Yes |
| CT 216: Relative Compaction - Soils and Aggregates (JTCP) | 2020-02-07 | 2023-02-07 | Active | Sarbjit Grewal | Yes |
| CT 217: Sand Equivalent (JTCP) | 2020-02-07 | 2023-02-07 | Active | Sarbjit Grewal | Yes |
| CT 226: Moisture Content - Soils and Aggregates (JTCP) | 2020-02-07 | 2023-02-07 | Active | Sarbjit Grewal | Yes |
| CT 227: Cleanness Value (JTCP) | 2020-02-07 | 2023-02-07 | Active | Sarbjit Grewal | Yes |
| CT 229: Durability (JTCP) | 2020-02-07 | 2023-02-07 | Active | Sarbjit Grewal | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2021-04-15 | 2023-04-15 | Active | Jackie Treat | Yes |
| CT 235: Flat and Elongated Particles | 2022-04-26 | 2023-04-26 | Active | Husam Makhoul | Yes |
| CT 306: Reducing Samples of Asphalt Mixtures (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| CT 504: Air Content of PCC - Pressure Method (JTCP) | 2020-01-25 | 2025-01-25 | Active | Jackie Treat | Yes |
| CT 518: Unit Weight - PCC (JTCP) | 2020-01-25 | 2025-01-25 | Active | Jackie Treat | Yes |
| CT 539: Sampling Fresh Concrete (JTCP) | 2020-01-25 | 2025-01-25 | Active | Jackie Treat | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2020-01-25 | 2025-01-25 | Active | Jackie Treat | Yes |
| CT 543: Air Content of PCC - Volumetric Method (JTCP) | 2020-01-25 | 2025-01-25 | Active | Jackie Treat | Yes |
| CT 556: Slump - PCC (JTCP) | 2020-01-25 | 2025-01-25 | Active | Jackie Treat | Yes |
| CT 557: Temperature - PCC (JTCP) | 2020-01-25 | 2025-01-25 | Active | Jackie Treat | Yes |
Total 8 items.
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| AASHTO R47: Reducing Samples of HMA (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| AASHTO R76: Reducing Samples of Agg (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| AASHTO T176: Sand Equivalent (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| AASHTO T255: Evaporable Moisture Content (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
| AASHTO T335: Percentage of Fracture (JTCP) | 2021-04-23 | 2024-04-23 | Active | Sarbjit Grewal | Yes |
Details for Michael Hovey
| First Name | Michael |
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| Last Name | Hovey |
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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 105: Calculations - Gradings (JTCP) | 2022-11-04 | 2025-11-04 | Active | Dalton LaBoskey | Yes |
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2022-11-04 | 2025-11-04 | Active | Dalton LaBoskey | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2022-11-04 | 2025-11-04 | Active | Dalton LaBoskey | Yes |
| CT 306: Reducing Samples of Asphalt Mixtures (JTCP) | 2022-11-04 | 2025-11-04 | Active | Dalton LaBoskey | Yes |
Total 8 items.
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|
| AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP) | 2022-11-04 | 2025-11-04 | Active | Dalton LaBoskey | Yes |
| AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP) | 2022-11-04 | 2025-11-04 | Active | Dalton LaBoskey | Yes |
| AASHTO R47: Reducing Samples of HMA (JTCP) | 2022-11-04 | 2025-11-04 | Active | Dalton LaBoskey | Yes |
| AASHTO R76: Reducing Samples of Agg (JTCP) | 2022-11-04 | 2025-11-04 | Active | Dalton LaBoskey | Yes |
| AASHTO T176: Sand Equivalent (JTCP) | 2022-11-04 | 2025-11-04 | Active | Dalton LaBoskey | Yes |
| AASHTO T255: Evaporable Moisture Content (JTCP) | 2022-11-04 | 2025-11-04 | Active | Dalton LaBoskey | Yes |
| AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP) | 2022-11-04 | 2025-11-04 | Active | Dalton LaBoskey | Yes |
| AASHTO T335: Percentage of Fracture (JTCP) | 2022-11-04 | 2025-11-04 | Active | Dalton LaBoskey | Yes |
For concerns with missing or erroneous data, please contact your Independent Assurance personnel