Lab details for GarcoTesting Laboratories - Pleasanton
Basic Information
| Lab Name | GarcoTesting Laboratories - Pleasanton |
|---|---|
| Manager Name | Steven Derpich |
| Lab Email | StevenDerpich@gcinc.com |
| Lab Telephone | 559-318-6366 |
| Lab Fax | 831-750-2936 |
| Lab Full Address | 1544 Stanley Boulevard, Pleasanton, CA 94566 |
| Zip | 94566 |
| Lab Type | Private |
| District | 4 |
| Mobile Lab Full Address | , , |
RSP Information
721 Work Street, Salinas, CA 93901
Test Methods
California Test (CT) Accreditations
Total 14 items.
AASHTO/ASTM Proficiencies
Total 17 items.
Technicians in the Lab
Technician Summary
Total 5 items.
| First Name | Last Name | Actions |
|---|---|---|
| Steven | Derpich | View |
| Joshua | Gumbish | View |
| Andrew | Cecena | View |
| Nicole | Kleinheinz | View |
| Nina | Pham | View |
Technician Details
Details for Steven Derpich
| First Name | Steven |
|---|---|
| Last Name | Derpich |
| Status | Active |
Total 29 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| CT 105: Calculations - Gradings (JTCP) | 2024-04-26 | 2027-04-26 | Active | Brian Ellis | Yes |
| CT 106: Definitions - Specific Gravity (SpG) | 2023-09-12 | 2025-09-12 | Expired | David Small | Yes |
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2024-04-26 | 2027-04-26 | Active | Brian Ellis | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2024-03-08 | 2027-03-08 | Active | Firooz Ahmad Hosainy | Yes |
| CT 201: Sample Preparation - Soil and Aggregates (JTCP) | 2024-04-26 | 2027-04-26 | Active | Brian Ellis | Yes |
| CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP) | 2024-04-26 | 2027-04-26 | Active | Brian Ellis | Yes |
| CT 205: Percent Crushed Particles (JTCP) | 2024-04-26 | 2027-04-26 | Active | Brian Ellis | No |
| CT 206: SpG & Absorption - Coarse Aggregates | 2024-10-24 | 2026-10-24 | Active | Ed Gamboa | No |
| CT 207: SpG & Absorption - Fine Aggregates | 2024-10-24 | 2026-10-24 | Active | Ed Gamboa | No |
| CT 208: Apparent SpG - Fine Aggregates | 2021-06-30 | 2023-12-30 | Expired | David Small | No |
| CT 211: LA Rattler | 2024-10-24 | 2026-10-24 | Active | Ed Gamboa | No |
| CT 212: Unit Weight of Aggregates | 2024-10-24 | 2026-10-24 | Active | Ed Gamboa | No |
| CT 216: Relative Compaction - Soils and Aggregates (JTCP) | 2024-04-26 | 2027-04-26 | Active | Brian Ellis | No |
| CT 217: Sand Equivalent (JTCP) | 2024-04-26 | 2027-04-26 | Active | Brian Ellis | Yes |
| CT 226: Moisture Content - Soils and Aggregates (JTCP) | 2024-04-26 | 2027-04-26 | Active | Brian Ellis | No |
| CT 227: Cleanness Value (JTCP) | 2024-04-26 | 2027-04-26 | Active | Brian Ellis | Yes |
| CT 229: Durability (JTCP) | 2024-04-26 | 2027-04-26 | Active | Brian Ellis | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2024-10-24 | 2026-10-24 | Active | Ed Gamboa | No |
| CT 301: "R" Value | 2023-10-04 | 2025-10-04 | Expired | David Small | No |
| CT 304: Sample Preparation - HMA | 2023-10-04 | 2025-10-04 | Expired | David Small | No |
| CT 306: Reducing Samples of Asphalt Mixtures (JTCP) | 2024-03-08 | 2027-03-08 | Active | Firooz Ahmad Hosainy | Yes |
| CT 308: Bulk SpG and Density - HMA | 2023-10-04 | 2025-10-04 | Expired | David Small | Yes |
| CT 309: Max SpG and Density - HMA | 2023-10-04 | 2025-10-04 | Expired | David Small | Yes |
| CT 366: Stabilometer | 2023-10-04 | 2025-10-04 | Expired | David Small | No |
| CT 370: Moisture Content by Microwave | 2021-06-30 | 2023-12-30 | Expired | David Small | Yes |
| CT 371: Moisture Induced Damage (TSR) | 2023-10-04 | 2023-12-30 | Expired | David Small | No |
| CT 375: AC Density by Nuclear Gage | 2024-10-24 | 2026-10-24 | Active | Ed Gamboa | No |
| CT 382: AC Content by Ignition Oven | 2023-10-04 | 2025-10-04 | Expired | David Small | Yes |
| CT 389: Hamburg Wheel-Track | 2024-10-24 | 2025-10-24 | Expired | Ed Gamboa | No |
Total 21 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP) | 2024-03-08 | 2027-03-08 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP) | 2024-03-08 | 2027-03-08 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO R47: Reducing Samples of HMA (JTCP) | 2024-03-08 | 2027-03-08 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO R76: Reducing Samples of Agg (JTCP) | 2024-03-08 | 2027-03-08 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T84: SpG & Absorption - Fine Aggregates | 2023-10-04 | 2025-10-04 | Expired | David Small | Yes |
| AASHTO T85: SpG & Absorption - Coarse Aggregates | 2023-10-04 | 2025-10-04 | Expired | David Small | Yes |
| AASHTO T96: L.A. Rattler | 2024-10-24 | 2026-10-24 | Active | Ed Gamboa | No |
| AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP) | 2024-04-18 | 2027-04-18 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T176: Sand Equivalent (JTCP) | 2024-03-08 | 2027-03-08 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T209: Max SpG and Density - HMA (JTCP) | 2024-04-18 | 2027-04-18 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T255: Evaporable Moisture Content (JTCP) | 2024-03-08 | 2027-03-08 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T269: Percent Air Voids - HMA (JTCP) | 2024-04-18 | 2027-04-18 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T275: Bulk SpG - HMA (JTCP) | 2024-04-18 | 2027-04-18 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T283: Moisture Induced Damage (TSR) | 2024-10-24 | 2026-10-24 | Active | Ed Gamboa | No |
| AASHTO T304: Uncompacted Void - Fine Aggregate | 2024-10-24 | 2026-10-24 | Active | Ed Gamboa | Yes |
| AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP) | 2024-04-18 | 2027-04-18 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T312: Gyratory Compactor | 2024-10-24 | 2026-10-24 | Active | Ed Gamboa | No |
| AASHTO T324: Hamburg Wheel-Track | 2024-10-24 | 2026-10-24 | Active | Ed Gamboa | No |
| AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP) | 2024-03-08 | 2027-03-08 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T335: Percentage of Fracture (JTCP) | 2024-03-08 | 2027-03-08 | Active | Firooz Ahmad Hosainy | Yes |
| ASTM D4791: Flat and Elongated Particles | 2023-09-12 | 2025-09-12 | Expired | David Small | No |
Details for Joshua Gumbish
| First Name | Joshua |
|---|---|
| Last Name | Gumbish |
| Status | Active |
Total 6 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| CT 105: Calculations - Gradings (JTCP) | 2022-05-13 | 2025-05-13 | Expired | Dalton LaBoskey | Yes |
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2022-05-13 | 2025-05-13 | Expired | Dalton LaBoskey | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2022-05-13 | 2025-05-13 | Expired | Dalton LaBoskey | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2023-10-04 | 2025-10-04 | Expired | David Small | No |
| CT 306: Reducing Samples of Asphalt Mixtures (JTCP) | 2022-05-13 | 2025-05-13 | Expired | Dalton LaBoskey | Yes |
| CT 375: AC Density by Nuclear Gage | 2023-10-04 | 2025-10-04 | Expired | David Small | No |
Total 13 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP) | 2022-05-13 | 2025-05-13 | Expired | Dalton LaBoskey | Yes |
| AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP) | 2022-05-13 | 2025-05-13 | Expired | Dalton LaBoskey | Yes |
| AASHTO R47: Reducing Samples of HMA (JTCP) | 2022-05-13 | 2025-05-13 | Expired | Dalton LaBoskey | Yes |
| AASHTO R76: Reducing Samples of Agg (JTCP) | 2022-05-13 | 2025-05-13 | Expired | Dalton LaBoskey | Yes |
| AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP) | 2021-12-02 | 2024-12-02 | Expired | Soroosh Amelian | Yes |
| AASHTO T176: Sand Equivalent (JTCP) | 2022-05-13 | 2025-05-13 | Expired | Dalton LaBoskey | Yes |
| AASHTO T209: Max SpG and Density - HMA (JTCP) | 2021-12-02 | 2024-12-02 | Expired | Soroosh Amelian | Yes |
| AASHTO T255: Evaporable Moisture Content (JTCP) | 2022-05-13 | 2025-05-13 | Expired | Dalton LaBoskey | Yes |
| AASHTO T269: Percent Air Voids - HMA (JTCP) | 2021-12-02 | 2024-12-02 | Expired | Soroosh Amelian | Yes |
| AASHTO T275: Bulk SpG - HMA (JTCP) | 2021-12-02 | 2024-12-02 | Expired | Soroosh Amelian | Yes |
| AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP) | 2021-12-02 | 2024-12-02 | Expired | Soroosh Amelian | Yes |
| AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP) | 2022-05-13 | 2025-05-13 | Expired | Dalton LaBoskey | Yes |
| AASHTO T335: Percentage of Fracture (JTCP) | 2022-05-13 | 2025-05-13 | Expired | Dalton LaBoskey | Yes |
Details for Andrew Cecena
| First Name | Andrew |
|---|---|
| Last Name | Cecena |
| Status | Active |
Total 6 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| CT 105: Calculations - Gradings (JTCP) | 2021-11-19 | 2024-11-19 | Expired | Soroosh Amelian | Yes |
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2025-01-24 | 2028-01-24 | Active | Gabriela Lopez | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2025-01-24 | 2028-01-24 | Active | Gabriela Lopez | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2024-12-13 | 2025-12-13 | Active | Ed Gamboa | No |
| CT 306: Reducing Samples of Asphalt Mixtures (JTCP) | 2025-01-24 | 2028-01-24 | Active | Gabriela Lopez | Yes |
| CT 375: AC Density by Nuclear Gage | 2024-12-13 | 2025-12-13 | Active | Ed Gamboa | No |
Total 14 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP) | 2025-01-24 | 2028-01-24 | Active | Gabriela Lopez | Yes |
| AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP) | 2025-01-24 | 2028-01-24 | Inactive | Gabriela Lopez | Yes |
| AASHTO T30: Mechanical Analysis of Extracted Aggregate (JTCP) | 2025-01-24 | 2027-01-24 | Inactive | Gabriela Lopez | No |
| AASHTO R47: Reducing Samples of HMA (JTCP) | 2025-01-24 | 2028-01-24 | Active | Gabriela Lopez | Yes |
| AASHTO R76: Reducing Samples of Agg (JTCP) | 2025-01-24 | 2028-01-24 | Active | Gabriela Lopez | Yes |
| AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP) | 2022-08-25 | 2025-08-25 | Expired | Dalton LaBoskey | Yes |
| AASHTO T176: Sand Equivalent (JTCP) | 2025-01-24 | 2028-01-24 | Active | Gabriela Lopez | Yes |
| AASHTO T209: Max SpG and Density - HMA (JTCP) | 2022-08-25 | 2025-08-25 | Expired | Avinash Ralla | Yes |
| AASHTO T255: Evaporable Moisture Content (JTCP) | 2025-01-24 | 2028-01-24 | Active | Gabriela Lopez | Yes |
| AASHTO T269: Percent Air Voids - HMA (JTCP) | 2022-08-25 | 2025-08-25 | Expired | Avinash Ralla | Yes |
| AASHTO T275: Bulk SpG - HMA (JTCP) | 2022-08-25 | 2025-08-25 | Expired | Avinash Ralla | Yes |
| AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP) | 2022-08-25 | 2025-08-25 | Expired | Avinash Ralla | Yes |
| AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP) | 2025-01-24 | 2028-01-24 | Active | Gabriela Lopez | Yes |
| AASHTO T335: Percentage of Fracture (JTCP) | 2025-01-24 | 2028-01-24 | Active | Gabriela Lopez | Yes |
Details for Nicole Kleinheinz
| First Name | Nicole |
|---|---|
| Last Name | Kleinheinz |
| Status | Active |
Total 7 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| CT 105: Calculations - Gradings (JTCP) | 2022-01-28 | 2025-01-28 | Expired | Soroosh Amelian | Yes |
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2025-04-02 | 2028-04-02 | Active | Graham Velek | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2025-04-02 | 2028-04-02 | Active | Graham Velek | Yes |
| CT 206: SpG & Absorption - Coarse Aggregates | 2024-10-23 | 2025-10-23 | Expired | Ed Gamboa | No |
| CT 207: SpG & Absorption - Fine Aggregates | 2024-10-23 | 2025-10-23 | Expired | Ed Gamboa | No |
| CT 211: LA Rattler | 2024-10-24 | 2025-10-24 | Expired | Ed Gamboa | No |
| CT 306: Reducing Samples of Asphalt Mixtures (JTCP) | 2025-04-02 | 2028-04-02 | Active | Graham Velek | Yes |
Total 22 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP) | 2025-04-02 | 2028-04-02 | Active | Graham Velek | Yes |
| AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP) | 2025-04-02 | 2028-04-02 | Active | Graham Velek | Yes |
| AASHTO T30: Mechanical Analysis of Extracted Aggregate (JTCP) | 2025-04-02 | 2028-04-02 | Active | Graham Velek | No |
| AASHTO R47: Reducing Samples of HMA (JTCP) | 2025-04-02 | 2028-04-02 | Active | Graham Velek | Yes |
| AASHTO R76: Reducing Samples of Agg (JTCP) | 2025-04-02 | 2028-04-02 | Active | Graham Velek | Yes |
| AASHTO T84: SpG & Absorption - Fine Aggregates | 2024-10-24 | 2025-10-24 | Expired | Ed Gamboa | Yes |
| AASHTO T85: SpG & Absorption - Coarse Aggregates | 2024-10-22 | 2025-10-22 | Expired | Ed Gamboa | Yes |
| AASHTO T96: L.A. Rattler | 2024-10-24 | 2025-10-24 | Expired | Ed Gamboa | No |
| AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP) | 2022-10-20 | 2025-10-20 | Expired | Brian Ellis | Yes |
| AASHTO T176: Sand Equivalent (JTCP) | 2025-04-02 | 2028-04-02 | Active | Graham Velek | Yes |
| AASHTO T209: Max SpG and Density - HMA (JTCP) | 2022-10-20 | 2025-10-20 | Expired | Brian Ellis | Yes |
| AASHTO T255: Evaporable Moisture Content (JTCP) | 2025-04-02 | 2028-04-02 | Active | Graham Velek | Yes |
| AASHTO T269: Percent Air Voids - HMA (JTCP) | 2022-10-20 | 2025-10-20 | Expired | Brian Ellis | Yes |
| AASHTO T275: Bulk SpG - HMA (JTCP) | 2022-10-20 | 2025-10-20 | Expired | Brian Ellis | Yes |
| AASHTO T283: Moisture Induced Damage (TSR) | 2025-09-29 | 2027-09-29 | Active | Ed Gamboa | No |
| AASHTO T304: Uncompacted Void - Fine Aggregate | 2024-10-24 | 2025-10-24 | Expired | Ed Gamboa | Yes |
| AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP) | 2022-10-20 | 2025-10-20 | Expired | Brian Ellis | Yes |
| AASHTO T312: Gyratory Compactor | 2025-09-29 | 2027-09-29 | Active | Ed Gamboa | No |
| AASHTO T324: Hamburg Wheel-Track | 2023-10-04 | 2025-10-04 | Expired | David Small | No |
| AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP) | 2025-04-02 | 2028-04-02 | Active | Graham Velek | Yes |
| AASHTO T335: Percentage of Fracture (JTCP) | 2025-04-02 | 2028-04-02 | Active | Graham Velek | Yes |
| ASTM D4791: Flat and Elongated Particles | 2024-10-23 | 2025-10-23 | Expired | Ed Gamboa | No |
Details for Nina Pham
| First Name | Nina |
|---|---|
| Last Name | Pham |
| Status | Active |
Total 4 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| CT 105: Calculations - Gradings (JTCP) | 2024-05-03 | 2027-05-03 | Active | Gabriela Lopez | Yes |
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2024-05-03 | 2027-05-03 | Active | Gabriela Lopez | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2024-05-03 | 2027-05-03 | Active | Gabriela Lopez | Yes |
| CT 306: Reducing Samples of Asphalt Mixtures (JTCP) | 2024-05-03 | 2027-05-03 | Active | Gabriela Lopez | Yes |
Total 13 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP) | 2024-05-03 | 2027-05-03 | Active | Gabriela Lopez | Yes |
| AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP) | 2024-05-03 | 2027-05-03 | Active | Gabriela Lopez | Yes |
| AASHTO R47: Reducing Samples of HMA (JTCP) | 2024-05-03 | 2027-05-03 | Active | Gabriela Lopez | Yes |
| AASHTO R76: Reducing Samples of Agg (JTCP) | 2024-05-03 | 2027-05-03 | Active | Gabriela Lopez | Yes |
| AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP) | 2025-03-20 | 2028-03-20 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T176: Sand Equivalent (JTCP) | 2024-05-03 | 2027-05-03 | Active | Gabriela Lopez | Yes |
| AASHTO T209: Max SpG and Density - HMA (JTCP) | 2025-03-20 | 2028-03-20 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T255: Evaporable Moisture Content (JTCP) | 2024-05-03 | 2027-05-03 | Active | Gabriela Lopez | Yes |
| AASHTO T269: Percent Air Voids - HMA (JTCP) | 2025-03-20 | 2028-03-20 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T275: Bulk SpG - HMA (JTCP) | 2025-03-20 | 2028-03-20 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP) | 2025-03-20 | 2028-03-20 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP) | 2024-05-03 | 2027-05-03 | Active | Gabriela Lopez | Yes |
| AASHTO T335: Percentage of Fracture (JTCP) | 2024-05-03 | 2027-05-03 | Active | Gabriela Lopez | Yes |
For concerns with missing or erroneous data, please contact your Independent Assurance personnel