Lab details for City of Santa Rosa Materials Laboratory
Basic Information
| Lab Name | City of Santa Rosa Materials Laboratory |
|---|---|
| Manager Name | Grant Hagstrom |
| Lab Email | ghagstrom@srcity.org |
| Lab Telephone | 707-543-4572 |
| Lab Fax | |
| Lab Full Address | 55 Stony Point Road, Santa Rosa, CA 95401 |
| Zip | 95401 |
| Lab Type | Local Agency |
| District | 4 |
| Mobile Lab Full Address | , , |
RSP Information
55 Stony Point Road, Santa Rosa, CA 95401
Test Methods
California Test (CT) Accreditations
Total 25 items.
AASHTO/ASTM Proficiencies
Total 15 items.
Technicians in the Lab
Technician Summary
Technician Details
Details for Grant Hagstrom
| First Name | Grant |
|---|---|
| Last Name | Hagstrom |
| Status | Active |
Total 12 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| CT 105: Calculations - Gradings (JTCP) | 2025-04-11 | 2028-04-11 | Active | Firooz Ahmad Hosainy | Yes |
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2025-04-11 | 2028-04-11 | Active | Firooz Ahmad Hosainy | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2024-10-18 | 2027-10-18 | Active | Sarmad Dalal | Yes |
| CT 201: Sample Preparation - Soil and Aggregates (JTCP) | 2025-04-11 | 2028-04-11 | Active | Firooz Ahmad Hosainy | Yes |
| CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP) | 2025-04-11 | 2028-04-11 | Active | Firooz Ahmad Hosainy | Yes |
| CT 205: Percent Crushed Particles (JTCP) | 2025-04-11 | 2028-04-11 | Active | Firooz Ahmad Hosainy | Yes |
| CT 216: Relative Compaction - Soils and Aggregates (JTCP) | 2025-04-11 | 2028-04-11 | Active | Firooz Ahmad Hosainy | Yes |
| CT 217: Sand Equivalent (JTCP) | 2025-04-11 | 2028-04-11 | Active | Firooz Ahmad Hosainy | Yes |
| CT 226: Moisture Content - Soils and Aggregates (JTCP) | 2025-04-11 | 2028-04-11 | Active | Firooz Ahmad Hosainy | Yes |
| CT 227: Cleanness Value (JTCP) | 2025-04-11 | 2028-04-11 | Active | Firooz Ahmad Hosainy | Yes |
| CT 229: Durability (JTCP) | 2025-04-11 | 2028-04-11 | Active | Firooz Ahmad Hosainy | Yes |
| CT 306: Reducing Samples of Asphalt Mixtures (JTCP) | 2024-10-18 | 2027-10-18 | Active | Sarmad Dalal | Yes |
Total 13 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP) | 2024-10-18 | 2027-10-18 | Active | Sarmad Dalal | Yes |
| AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP) | 2024-10-18 | 2027-10-18 | Active | Sarmad Dalal | Yes |
| AASHTO R47: Reducing Samples of HMA (JTCP) | 2024-10-18 | 2027-10-18 | Active | Sarmad Dalal | Yes |
| AASHTO R76: Reducing Samples of Agg (JTCP) | 2024-10-18 | 2027-10-18 | Active | Sarmad Dalal | Yes |
| AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP) | 2025-04-17 | 2028-04-17 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T176: Sand Equivalent (JTCP) | 2024-10-18 | 2027-10-18 | Active | Sarmad Dalal | Yes |
| AASHTO T209: Max SpG and Density - HMA (JTCP) | 2025-04-17 | 2028-04-17 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T255: Evaporable Moisture Content (JTCP) | 2024-10-18 | 2027-10-18 | Active | Sarmad Dalal | Yes |
| AASHTO T269: Percent Air Voids - HMA (JTCP) | 2025-04-17 | 2028-04-17 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T275: Bulk SpG - HMA (JTCP) | 2025-04-17 | 2028-04-17 | Active | Firooz Ahmad Hosainy | Yes |
| AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP) | 2025-04-17 | 2028-04-17 | Active | Firooz Ahmad Hosainy | No |
| AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP) | 2024-10-18 | 2027-10-18 | Active | Sarmad Dalal | Yes |
| AASHTO T335: Percentage of Fracture (JTCP) | 2024-10-18 | 2027-10-18 | Active | Sarmad Dalal | Yes |
Details for Travis Guillory
| First Name | Travis |
|---|---|
| Last Name | Guillory |
| Status | Active |
Total 3 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2025-11-21 | 2028-11-21 | Active | Wei Geng | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2025-11-21 | 2028-11-21 | Active | Wei Geng | Yes |
| CT 306: Reducing Samples of Asphalt Mixtures (JTCP) | 2025-11-21 | 2028-11-21 | Active | Wei Geng | Yes |
Total 14 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP) | 2025-11-21 | 2028-11-21 | Active | Wei Geng | Yes |
| AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP) | 2025-11-21 | 2028-11-21 | Active | Wei Geng | Yes |
| AASHTO T30: Mechanical Analysis of Extracted Aggregate (JTCP) | 2025-11-21 | 2028-11-21 | Active | Wei Geng | Yes |
| AASHTO R47: Reducing Samples of HMA (JTCP) | 2025-11-21 | 2028-11-21 | Active | Gabriela Lopez | Yes |
| AASHTO R76: Reducing Samples of Agg (JTCP) | 2025-11-21 | 2028-11-21 | Active | Wei Geng | Yes |
| AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP) | 2026-03-26 | 2029-03-26 | Active | Gabriela Lopez | Yes |
| AASHTO T176: Sand Equivalent (JTCP) | 2025-11-21 | 2028-11-21 | Active | Wei Geng | Yes |
| AASHTO T209: Max SpG and Density - HMA (JTCP) | 2026-03-26 | 2029-03-26 | Active | Gabriela Lopez | Yes |
| AASHTO T255: Evaporable Moisture Content (JTCP) | 2025-11-21 | 2028-11-21 | Active | Wei Geng | Yes |
| AASHTO T269: Percent Air Voids - HMA (JTCP) | 2026-03-26 | 2029-03-26 | Active | Gabriela Lopez | Yes |
| AASHTO T275: Bulk SpG - HMA (JTCP) | 2026-03-26 | 2029-03-26 | Active | Gabriela Lopez | Yes |
| AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP) | 2026-03-26 | 2029-03-26 | Active | Gabriela Lopez | No |
| AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP) | 2025-11-21 | 2028-11-21 | Active | Wei Geng | Yes |
| AASHTO T335: Percentage of Fracture (JTCP) | 2025-11-21 | 2028-11-21 | Active | Wei Geng | Yes |
For concerns with missing or erroneous data, please contact your Independent Assurance personnel