Lab details for CT D10 - Sonora Field Laboratory

Basic Information

Lab NameCT D10 - Sonora Field Laboratory
Manager NameMandeep Dhesi
Lab EmailMandeep.dhesi@dot.ca.gov
Lab Telephone209-948-7567
Lab Fax
Lab Full Address19596 Mono Way, Sonora, CA 95370
Zip95370
Lab TypeCaltrans
District10
Mobile Lab Full Address, ,
Download TL-0113

RSP Information

3256 Tomahawk Drive, Stockton, CA 95205

Test Methods

California Test (CT) Accreditations

AASHTO/ASTM Proficiencies

Total 4 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleTechnician Certified?
AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP)2024-04-242025-04-24ActiveJoshua GallawayYes
AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP)2024-04-242025-04-24ActiveJoshua GallawayYes
AASHTO T176: Sand Equivalent (JTCP)2024-04-242025-04-24ActiveJoshua GallawayYes
AASHTO T210: Aggregate Durability Index2024-04-242025-04-24ActiveJoshua GallawayNo

Technicians in the Lab

Technician Summary

Total 2 items.
First NameLast NameActions
TrevenFulkerson View
TimothyTrefz View

Technician Details

Details for Treven Fulkerson

First NameTreven
Last NameFulkerson
StatusActive
Total 29 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2023-01-202026-01-20ActiveAvinash RallaYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2023-01-202026-01-20ActiveAvinash RallaYes
CT 125 GEN: Sampling - GENERAL2016-10-032018-10-03ExpiredJeff RushYes
CT 125 HMA: Sampling - HMA (JTCP)2023-01-202026-01-20ActiveAvinash RallaYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2022-01-072025-01-10ActiveGabriela LopezYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2022-01-072025-01-10ActiveGabriela LopezYes
CT 205: Percent Crushed Particles (JTCP)2022-01-072025-01-10ActiveGabriela LopezNo
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2022-01-072025-01-10ActiveGabriela LopezYes
CT 217: Sand Equivalent (JTCP)2022-01-072025-01-10ActiveGabriela LopezYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2022-01-072025-01-10ActiveGabriela LopezYes
CT 227: Cleanness Value (JTCP)2022-01-072025-01-10ActiveGabriela LopezYes
CT 229: Durability (JTCP)2022-01-072025-01-10ActiveGabriela LopezYes
CT 231: Relative Compaction - Nuclear Gage2024-02-082026-02-08ActiveEd GamboaYes
CT 301: "R" Value2017-11-012018-11-01ExpiredJeff RushNo
CT 306: Reducing Samples of Asphalt Mixtures (JTCP)2023-01-202026-01-20ActiveAvinash RallaNo
CT 308: Bulk SpG and Density - HMA2017-11-242019-11-24ExpiredJeff RushNo
CT 504: Air Content of PCC - Pressure Method (JTCP)2023-02-172028-02-17ActiveGabriela LopezNo
CT 518: Unit Weight - PCC (JTCP)2023-02-172028-02-17ActiveGabriela LopezNo
CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231)2023-02-272025-02-27ActiveJeff RushNo
CT 521.1: Compressive Strength - PCC (ASTM C39 / C617)2023-02-272025-02-27ActiveJeff RushNo
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2023-02-172028-02-17ActiveGabriela LopezNo
CT 523.2 Section B.3: Flexural Strength (Lab Test)2023-02-272025-02-27ActiveEd GamboaNo
CT 524: Flexural Strength of Rapid Strength - PCC2023-02-272025-02-27ActiveEd GamboaNo
CT 533: Ball Penetration - PCC2016-10-142018-10-14ExpiredJeff RushNo
CT 539: Sampling Fresh Concrete (JTCP)2023-02-172028-02-17ActiveGabriela LopezNo
CT 540: Making Cylinders - PCC (JTCP)2023-02-172028-02-17ActiveGabriela LopezNo
CT 543: Air Content of PCC - Volumetric Method (JTCP)2023-02-172028-02-17ActiveGabriela LopezNo
CT 556: Slump - PCC (JTCP)2023-02-172028-02-17ActiveGabriela LopezNo
CT 557: Temperature - PCC (JTCP)2023-02-172028-02-17ActiveGabriela LopezNo
Total 17 items.
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP)2023-01-202026-01-20ActiveAvinash RallaYes
AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP)2023-01-202026-01-20ActiveAvinash RallaYes
AASHTO R47: Reducing Samples of HMA (JTCP)2023-01-202026-01-20ActiveAvinash RallaNo
AASHTO R76: Reducing Samples of Agg (JTCP)2023-01-202026-01-20ActiveAvinash RallaNo
AASHTO T84: SpG & Absorption - Fine Aggregates2017-11-012018-11-01ExpiredJeff RushNo
AASHTO T85: SpG & Absorption - Coarse Aggregates2017-11-012018-11-01ExpiredJeff RushNo
AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP)2023-01-262026-01-26ActiveAvinash RallaNo
AASHTO T176: Sand Equivalent (JTCP)2023-01-202026-01-20ActiveAvinash RallaYes
AASHTO T209: Max SpG and Density - HMA (JTCP)2023-01-262026-01-26ActiveAvinash RallaNo
AASHTO T255: Evaporable Moisture Content (JTCP)2023-01-202026-01-20ActiveAvinash RallaNo
AASHTO T269: Percent Air Voids - HMA (JTCP)2023-01-262026-01-26ActiveAvinash RallaNo
AASHTO T275: Bulk SpG - HMA (JTCP)2023-01-262026-01-26ActiveAvinash RallaNo
AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP)2023-01-262026-01-26ActiveAvinash RallaNo
AASHTO T324: Hamburg Wheel-Track2017-11-022018-11-02ExpiredJeff RushNo
AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP)2023-01-202026-01-20ActiveAvinash RallaNo
AASHTO T335: Percentage of Fracture (JTCP)2023-01-202026-01-20ActiveAvinash RallaNo
ASTM D7741: AR Field Viscosity2023-12-202024-12-20ActiveEd GamboaYes

Details for Timothy Trefz

First NameTimothy
Last NameTrefz
StatusActive
Total 22 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2023-05-122026-05-12ActiveDavid MedinaYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2023-05-122026-05-12ActiveDavid MedinaYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2023-05-122026-05-12ActiveDavid MedinaYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2023-05-122026-05-12ActiveDavid MedinaYes
CT 205: Percent Crushed Particles (JTCP)2023-05-122026-05-12ActiveDavid MedinaNo
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2023-05-122026-05-12ActiveDavid MedinaYes
CT 217: Sand Equivalent (JTCP)2023-05-122026-05-12ActiveDavid MedinaYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2023-05-122026-05-12ActiveDavid MedinaYes
CT 227: Cleanness Value (JTCP)2023-05-122026-05-12ActiveDavid MedinaYes
CT 229: Durability (JTCP)2023-05-122026-05-12ActiveDavid MedinaYes
CT 231: Relative Compaction - Nuclear Gage2023-11-022024-11-02ExpiredSarbjit GrewalYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2018-01-262023-01-26ExpiredBiplab BhattacharyaNo
CT 518: Unit Weight - PCC (JTCP)2018-01-262023-01-26ExpiredBiplab BhattacharyaNo
CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231)2023-11-022024-11-02ExpiredEd GamboaNo
CT 521.1: Compressive Strength - PCC (ASTM C39 / C617)2023-11-022024-11-02ExpiredEd GamboaNo
CT 523.2 Section B.3: Flexural Strength (Lab Test)2023-11-022024-11-02ExpiredSarbjit GrewalNo
CT 539: Sampling Fresh Concrete (JTCP)2018-01-262023-01-26ExpiredBiplab BhattacharyaNo
CT 540: Making Cylinders - PCC (JTCP)2018-01-262023-01-26ExpiredBiplab BhattacharyaNo
CT 543: Air Content of PCC - Volumetric Method (JTCP)2018-01-262023-01-26ExpiredBiplab BhattacharyaNo
CT 547: Bridge Profilograph2023-12-052024-12-05ExpiredSarbjit GrewalNo
CT 556: Slump - PCC (JTCP)2018-01-262023-01-26ExpiredBiplab BhattacharyaNo
CT 557: Temperature - PCC (JTCP)2018-01-262023-01-26ExpiredBiplab BhattacharyaNo
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
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