Lab details for RGH Geotechnical Consultants

Basic Information

Lab NameRGH Geotechnical Consultants
Manager NameSean Flinn
Lab Emailsflinn@rghgeo.com
Lab Telephone707-591-5727
Lab Fax
Lab Full Address3501 Industrial Drive, Suite A, Santa Rosa, CA 95403
Zip95403
Lab TypePrivate
District4
Mobile Lab Full Address, ,
Mobile Lab Tel(not set)

RSP Information

3501 Industrial Drive, Suite A, Santa Rosa, CA 95403

Test Methods

California Test (CT) Accreditations

Total 31 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleTechnician Certified?
CT 105: Calculations - Gradings (JTCP)2023-12-272024-12-27ActiveDavid SmallYes
CT 125 AGG: Sampling - AGGREGATES2023-12-272024-12-27ActiveDavid SmallYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2023-12-272024-12-27ActiveDavid SmallYes
CT 125 CEM: Sampling - CEM2023-12-272024-12-27ActiveDavid SmallNo
CT 125 GEN: Sampling - GENERAL2023-12-272024-12-27ActiveDavid SmallNo
CT 125 HMA: Sampling - HMA2023-12-272024-12-27ActiveDavid SmallYes
CT 125 HMA: Sampling - HMA (JTCP)2023-12-272024-12-27ActiveDavid SmallNo
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2023-12-272024-12-27ActiveDavid SmallYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2023-12-272024-12-27ActiveDavid SmallYes
CT 205: Percent Crushed Particles (JTCP)2023-12-272024-12-27ActiveDavid SmallYes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2023-12-272024-12-27ActiveDavid SmallYes
CT 217: Sand Equivalent (JTCP)2023-12-272024-12-27ActiveDavid SmallYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2023-12-272024-12-27ActiveDavid SmallYes
CT 227: Cleanness Value (JTCP)2023-12-272024-12-27ActiveDavid SmallYes
CT 229: Durability (JTCP)2023-12-272024-12-27ActiveDavid SmallYes
CT 231: Relative Compaction - Nuclear Gage2023-12-272024-12-27ActiveDavid SmallYes
CT 301: "R" Value2023-12-272024-12-27ActiveDavid SmallYes
CT 304: Sample Preparation - HMA2023-12-272024-12-27ActiveDavid SmallYes
CT 308: Bulk SpG and Density - HMA2023-12-272024-12-27ActiveDavid SmallYes
CT 309: Max SpG and Density - HMA2023-12-272024-12-27ActiveDavid SmallYes
CT 366: Stabilometer2023-12-272024-12-27ActiveDavid SmallYes
CT 370: Moisture Content by Microwave2023-12-272024-12-27ActiveDavid SmallNo
CT 375: AC Density by Nuclear Gage2023-12-272024-12-27ActiveDavid SmallYes
CT 382: AC Content by Ignition Oven2023-12-272024-12-27ActiveDavid SmallYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2023-12-272024-12-27ActiveDavid SmallYes
CT 518: Unit Weight - PCC (JTCP)2023-12-272024-12-27ActiveDavid SmallYes
CT 539: Sampling Fresh Concrete (JTCP)2023-12-272024-12-27ActiveDavid SmallYes
CT 540: Making Cylinders - PCC (JTCP)2023-12-272024-12-27ActiveDavid SmallYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2023-12-272024-12-27ActiveDavid SmallYes
CT 556: Slump - PCC (JTCP)2023-12-272024-12-27ActiveDavid SmallYes
CT 557: Temperature - PCC (JTCP)2023-12-272024-12-27ActiveDavid SmallYes

AASHTO/ASTM Proficiencies

Test MethodObtained DateExpiration DateStatusIA ResponsibleTechnician Certified?
No results found.

Technicians in the Lab

Technician Summary

Total 11 items.
First NameLast NameActions
SeanFlinn View
JohnnySamarron View
TroyWebber View
BrettFranceschi View
JasonEdwards View
EdwinTaylor View
SamMartin View
JeredEdwards View
NikolasThompson View
NicolasFormosa View
AnthonyCole View

Technician Details

Details for Sean Flinn

First NameSean
Last NameFlinn
StatusActive
Total 20 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
CT 125 HMA: Sampling - HMA (JTCP)2016-07-242018-07-24ExpiredIgnocencio HerreraYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
CT 205: Percent Crushed Particles (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
CT 217: Sand Equivalent (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
CT 227: Cleanness Value (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
CT 229: Durability (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
CT 231: Relative Compaction - Nuclear Gage2016-07-242018-07-24ExpiredIgnocencio HerreraYes
CT 301: "R" Value2022-08-112024-08-11ActiveDavid SmallYes
CT 304: Sample Preparation - HMA2022-08-112024-08-11ActiveDavid SmallYes
CT 308: Bulk SpG and Density - HMA2022-08-112024-08-11ActiveDavid SmallYes
CT 309: Max SpG and Density - HMA2022-08-112024-08-11ActiveDavid SmallYes
CT 366: Stabilometer2022-08-112024-08-11ActiveDavid SmallYes
CT 370: Moisture Content by Microwave2020-07-162022-07-16ExpiredDavid SmallYes
CT 375: AC Density by Nuclear Gage2016-07-242018-07-24ExpiredIgnocencio HerreraYes
CT 382: AC Content by Ignition Oven2022-08-112024-08-11ActiveDavid SmallYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Johnny Samarron

First NameJohnny
Last NameSamarron
StatusActive
Total 11 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES2024-06-052026-06-05ActiveDavid SmallYes
CT 125 HMA: Sampling - HMA2024-06-052026-06-05ActiveDavid SmallYes
CT 231: Relative Compaction - Nuclear Gage2024-06-052026-06-05ActiveDavid SmallYes
CT 375: AC Density by Nuclear Gage2024-06-052026-06-05ActiveDavid SmallYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2020-02-222025-02-22ActiveSarbjit GrewalYes
CT 518: Unit Weight - PCC (JTCP)2020-02-222025-02-22ActiveSarbjit GrewalYes
CT 539: Sampling Fresh Concrete (JTCP)2020-02-222025-02-22ActiveSarbjit GrewalYes
CT 540: Making Cylinders - PCC (JTCP)2020-02-222025-02-22ActiveSarbjit GrewalYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2020-02-222025-02-22ActiveSarbjit GrewalYes
CT 556: Slump - PCC (JTCP)2020-02-222025-02-22ActiveSarbjit GrewalYes
CT 557: Temperature - PCC (JTCP)2020-02-222025-02-22ActiveSarbjit GrewalYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Troy Webber

First NameTroy
Last NameWebber
StatusActive
Total 12 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES2024-06-052026-06-05ActiveDavid SmallYes
CT 125 HMA: Sampling - HMA2024-06-052026-06-05ActiveDavid SmallYes
CT 231: Relative Compaction - Nuclear Gage2024-06-052026-06-05ActiveDavid SmallYes
CT 375: AC Density by Nuclear Gage2024-06-052026-06-05ActiveDavid SmallYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2022-05-132027-05-13ActiveDalton LaBoskeyYes
CT 518: Unit Weight - PCC (JTCP)2022-05-132027-05-13ActiveDalton LaBoskeyYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2022-05-132027-05-13ActiveDalton LaBoskeyNo
CT 539: Sampling Fresh Concrete (JTCP)2022-05-132027-05-13ActiveDalton LaBoskeyYes
CT 540: Making Cylinders - PCC (JTCP)2022-05-132027-05-13ActiveDalton LaBoskeyYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2022-05-132027-05-13ActiveDalton LaBoskeyYes
CT 556: Slump - PCC (JTCP)2022-05-132027-05-13ActiveDalton LaBoskeyYes
CT 557: Temperature - PCC (JTCP)2022-05-132027-05-13ActiveDalton LaBoskeyYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Brett Franceschi

First NameBrett
Last NameFranceschi
StatusActive
Total 12 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES (JTCP)2019-05-092022-05-09ExpiredLoren LeeYes
CT 125 HMA: Sampling - HMA (JTCP)2019-05-092022-05-09ExpiredLoren LeeYes
CT 231: Relative Compaction - Nuclear Gage2020-07-302022-07-30ExpiredDavid SmallYes
CT 375: AC Density by Nuclear Gage2020-07-202022-07-20ExpiredDavid SmallYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2023-04-282028-04-28ActiveDavid MedinaYes
CT 518: Unit Weight - PCC (JTCP)2023-04-282028-04-28ActiveDavid MedinaYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2023-04-282028-04-28ActiveDavid MedinaNo
CT 539: Sampling Fresh Concrete (JTCP)2023-04-282028-04-28ActiveDavid MedinaYes
CT 540: Making Cylinders - PCC (JTCP)2023-04-282028-04-28ActiveDavid MedinaYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2023-04-282028-04-28ActiveDavid MedinaYes
CT 556: Slump - PCC (JTCP)2023-04-282028-04-28ActiveDavid MedinaYes
CT 557: Temperature - PCC (JTCP)2023-04-282028-04-28ActiveDavid MedinaYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Jason Edwards

First NameJason
Last NameEdwards
StatusActive
Total 12 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES2024-06-052026-06-05ActiveDavid SmallYes
CT 125 HMA: Sampling - HMA2024-06-052026-06-05ActiveDavid SmallYes
CT 231: Relative Compaction - Nuclear Gage2024-06-052026-06-05ActiveDavid SmallYes
CT 375: AC Density by Nuclear Gage2024-06-052026-06-05ActiveDavid SmallYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2022-12-092027-12-09ActiveGabriela LopezYes
CT 518: Unit Weight - PCC (JTCP)2022-12-092027-12-09ActiveGabriela LopezYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2022-12-092027-12-09ActiveGabriela LopezNo
CT 539: Sampling Fresh Concrete (JTCP)2022-12-092027-12-09ActiveGabriela LopezYes
CT 540: Making Cylinders - PCC (JTCP)2022-12-092027-12-09ActiveGabriela LopezYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2022-12-092027-12-09ActiveGabriela LopezYes
CT 556: Slump - PCC (JTCP)2022-12-092027-12-09ActiveGabriela LopezYes
CT 557: Temperature - PCC (JTCP)2022-12-092027-12-09ActiveGabriela LopezYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Edwin Taylor

First NameEdwin
Last NameTaylor
StatusActive
Total 12 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES2024-06-052026-06-05ActiveDavid SmallYes
CT 125 HMA: Sampling - HMA2024-06-052026-06-05ActiveDavid SmallYes
CT 231: Relative Compaction - Nuclear Gage2024-06-052026-06-05ActiveDavid SmallYes
CT 375: AC Density by Nuclear Gage2024-06-052026-06-05ActiveDavid SmallYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2022-12-092027-12-09ActiveGabriela LopezYes
CT 518: Unit Weight - PCC (JTCP)2022-12-092027-12-09ActiveGabriela LopezYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2022-12-092027-12-09ActiveGabriela LopezNo
CT 539: Sampling Fresh Concrete (JTCP)2022-12-092027-12-09ActiveGabriela LopezYes
CT 540: Making Cylinders - PCC (JTCP)2022-12-092027-12-09ActiveGabriela LopezYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2022-12-092027-12-09ActiveGabriela LopezYes
CT 556: Slump - PCC (JTCP)2022-12-092027-12-09ActiveGabriela LopezYes
CT 557: Temperature - PCC (JTCP)2022-12-092027-12-09ActiveGabriela LopezYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Sam Martin

First NameSam
Last NameMartin
StatusActive
Total 10 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
CT 205: Percent Crushed Particles (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
CT 217: Sand Equivalent (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
CT 227: Cleanness Value (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
CT 229: Durability (JTCP)2022-04-152025-04-15ActiveAvinash RallaYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Jered Edwards

First NameJered
Last NameEdwards
StatusActive
Total 8 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 504: Air Content of PCC - Pressure Method (JTCP)2023-02-232028-02-23ActiveGabriela LopezYes
CT 518: Unit Weight - PCC (JTCP)2023-02-232028-02-23ActiveGabriela LopezYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2023-02-232028-02-23ActiveGabriela LopezNo
CT 539: Sampling Fresh Concrete (JTCP)2023-02-232028-02-23ActiveGabriela LopezYes
CT 540: Making Cylinders - PCC (JTCP)2023-02-232028-02-23ActiveGabriela LopezYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2023-02-232028-02-23ActiveGabriela LopezYes
CT 556: Slump - PCC (JTCP)2023-02-232028-02-23ActiveGabriela LopezYes
CT 557: Temperature - PCC (JTCP)2023-02-232028-02-23ActiveGabriela LopezYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Nikolas Thompson

First NameNikolas
Last NameThompson
StatusActive
Total 8 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 504: Air Content of PCC - Pressure Method (JTCP)2023-02-242028-02-24ActiveDavid MedinaYes
CT 518: Unit Weight - PCC (JTCP)2023-02-242028-02-24ActiveDavid MedinaYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2023-02-242028-02-24ActiveDavid MedinaNo
CT 539: Sampling Fresh Concrete (JTCP)2023-02-242028-02-24ActiveDavid MedinaYes
CT 540: Making Cylinders - PCC (JTCP)2023-02-242028-02-24ActiveDavid MedinaYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2023-02-242028-02-24ActiveDavid MedinaYes
CT 556: Slump - PCC (JTCP)2023-02-242028-02-24ActiveDavid MedinaYes
CT 557: Temperature - PCC (JTCP)2023-02-242028-02-24ActiveDavid MedinaYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Nicolas Formosa

First NameNicolas
Last NameFormosa
StatusActive
Total 8 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 504: Air Content of PCC - Pressure Method (JTCP)2022-07-152027-07-15ActiveDavid MedinaYes
CT 518: Unit Weight - PCC (JTCP)2022-07-152027-07-15ActiveDavid MedinaYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2022-07-152027-07-15ActiveDavid MedinaNo
CT 539: Sampling Fresh Concrete (JTCP)2022-07-152027-07-15ActiveDavid MedinaYes
CT 540: Making Cylinders - PCC (JTCP)2022-07-152027-07-15ActiveDavid MedinaYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2022-07-152027-07-15ActiveDavid MedinaYes
CT 556: Slump - PCC (JTCP)2022-07-152027-07-15ActiveDavid MedinaYes
CT 557: Temperature - PCC (JTCP)2022-07-152027-07-15ActiveDavid MedinaYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Anthony Cole

First NameAnthony
Last NameCole
StatusActive
Total 8 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 504: Air Content of PCC - Pressure Method (JTCP)2023-02-242028-02-24ActiveDavid MedinaYes
CT 518: Unit Weight - PCC (JTCP)2023-02-242028-02-24ActiveDavid MedinaYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2023-02-242028-02-24ActiveDavid MedinaNo
CT 539: Sampling Fresh Concrete (JTCP)2023-02-242028-02-24ActiveDavid MedinaYes
CT 540: Making Cylinders - PCC (JTCP)2023-02-242028-02-24ActiveDavid MedinaYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2023-02-242028-02-24ActiveDavid MedinaYes
CT 556: Slump - PCC (JTCP)2023-02-242028-02-24ActiveDavid MedinaYes
CT 557: Temperature - PCC (JTCP)2023-02-242028-02-24ActiveDavid MedinaYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.