Lab details for Humboldt County Materials Laboratory

Basic Information

Lab NameHumboldt County Materials Laboratory
Manager NameBrian Meyer
Lab Emailbmeyer@co.humboldt.ca.us
Lab Telephone707-445-7428
Lab Fax
Lab Full Address931 2nd Street, Eureka, CA 95501
Zip95501
Lab TypeLocal Agency
District1
Mobile Lab Full Address, ,
Download TL-0113

RSP Information

931 2nd Street, Eureka, CA 95501

Test Methods

California Test (CT) Accreditations

Total 33 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleTechnician Certified?Comments
CT 105: Calculations - Gradings (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 106: Definitions - Specific Gravity (SpG)2026-07-012027-07-01ActiveNicholas HallNo(not set)
CT 125 ADMIX: Sampling - ADMIXTURE2026-07-012027-07-01ActiveNicholas HallNo(not set)
CT 125 AGG: Sampling - AGGREGATES (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 125 AGG: Sampling - AGGREGATES2026-07-012027-07-01ActiveNicholas HallNo(not set)
CT 125 BIT: Sampling - BITUMINOUS2026-07-012027-07-01ActiveNicholas HallNo(not set)
CT 125 CEM: Sampling - CEM2026-07-012027-07-01ActiveNicholas HallNo(not set)
CT 125 GEN: Sampling - GENERAL2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 125 HMA: Sampling - HMA (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 125 HMA: Sampling - HMA2026-07-012027-07-01ActiveNicholas HallNo(not set)
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 205: Percent Crushed Particles (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 206: SpG & Absorption - Coarse Aggregates2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 211: LA Rattler2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 212: Unit Weight of Aggregates2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 217: Sand Equivalent (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 226: Moisture Content - Soils and Aggregates (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 227: Cleanness Value (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 229: Durability (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 231: Relative Compaction - Nuclear Gage2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 306: Reducing Samples of Asphalt Mixtures (JTCP)2026-07-012027-07-01ActiveNicholas HallYes
CT 370: Moisture Content by Microwave2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 375: AC Density by Nuclear Gage2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 504: Air Content of PCC - Pressure Method (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 518: Unit Weight - PCC (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231)2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 521.1: Compressive Strength - PCC (ASTM C39 / C617)2026-07-012027-07-01ActiveNicholas HallNo(not set)
CT 539: Sampling Fresh Concrete (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 540: Making Cylinders - PCC (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 556: Slump - PCC (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
CT 557: Temperature - PCC (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)

AASHTO/ASTM Proficiencies

Total 16 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleTechnician Certified?Comments
AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
AASHTO T30: Mechanical Analysis of Extracted Aggregate (JTCP)2026-07-012027-07-01ActiveNicholas HallYes
AASHTO R47: Reducing Samples of HMA (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
AASHTO R76: Reducing Samples of Agg (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
AASHTO T176: Sand Equivalent (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
AASHTO T209: Max SpG and Density - HMA (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
AASHTO T248: Reducing Samples of Agg. (JTCP)2026-07-012027-07-01ActiveNicholas HallNo
AASHTO T255: Evaporable Moisture Content (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
AASHTO T269: Percent Air Voids - HMA (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
AASHTO T275: Bulk SpG - HMA (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
AASHTO T312: Gyratory Compactor2026-07-012027-07-01ActiveNicholas HallYes(not set)
AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)
AASHTO T335: Percentage of Fracture (JTCP)2026-07-012027-07-01ActiveNicholas HallYes(not set)

Technicians in the Lab

Technician Summary

Total 2 items.
First NameLast NameActions
Brian Meyer View
CaseyRiley View

Technician Details

Details for Brian Meyer

First NameBrian
Last NameMeyer
StatusActive
Total 36 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2024-06-052027-06-05ActiveBrian EllisYes
CT 106: Definitions - Specific Gravity (SpG)2023-07-112025-07-11ExpiredAlexis EnglandYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2025-05-022028-05-02ActiveSarmad DalalYes
CT 125 GEN: Sampling - GENERAL2025-07-092027-07-09ActiveNicholas HallYes
CT 125 HMA: Sampling - HMA (JTCP)2025-05-022028-05-02ActiveSarmad DalalYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2024-06-052027-06-05ActiveBrian EllisYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2024-06-052027-06-05ActiveBrian EllisYes
CT 205: Percent Crushed Particles (JTCP)2024-06-052027-06-05ActiveBrian EllisYes
CT 206: SpG & Absorption - Coarse Aggregates2025-07-092027-07-09ActiveNicholas HallYes
CT 211: LA Rattler2025-07-092027-07-09ActiveNicholas HallYes
CT 212: Unit Weight of Aggregates2025-07-092027-07-09ActiveNicholas HallYes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2024-06-052027-06-05ActiveBrian EllisYes
CT 217: Sand Equivalent (JTCP)2024-06-052027-06-05ActiveBrian EllisYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2024-06-052027-06-05ActiveBrian EllisYes
CT 227: Cleanness Value (JTCP)2024-06-052027-06-05ActiveBrian EllisYes
CT 229: Durability (JTCP)2024-06-052027-06-05ActiveBrian EllisYes
CT 231: Relative Compaction - Nuclear Gage2025-07-092027-07-09ActiveNicholas HallYes
CT 304: Sample Preparation - HMA2019-03-212021-03-21ExpiredIgnocencio HerreraYes
CT 306: Reducing Samples of Asphalt Mixtures (JTCP)2025-05-022028-05-02ActiveSarmad DalalYes
CT 308: Bulk SpG and Density - HMA2017-11-302018-11-30ExpiredIgnocencio HerreraYes
CT 309: Max SpG and Density - HMA2017-11-302018-11-30ExpiredIgnocencio HerreraYes
CT 366: Stabilometer2019-03-212021-03-21ExpiredIgnocencio HerreraYes
CT 370: Moisture Content by Microwave2025-07-092027-07-09ActiveNicholas HallYes
CT 375: AC Density by Nuclear Gage2025-07-092027-07-09ActiveNicholas HallYes
CT 382: AC Content by Ignition Oven2017-11-302018-11-30ExpiredIgnocencio HerreraYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2023-02-092028-02-09ActiveDavid MedinaYes
CT 518: Unit Weight - PCC (JTCP)2023-02-092028-02-09ActiveDavid MedinaYes
CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231)2025-07-092027-07-09ActiveNicholas HallYes
CT 521.1: Compressive Strength - PCC (ASTM C39 / C617)2023-07-112025-07-11ExpiredLoren LeeYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2023-02-092028-02-09ActiveDavid MedinaNo
CT 533: Ball Penetration - PCC2017-06-122019-06-12ExpiredIgnocencio HerreraYes
CT 539: Sampling Fresh Concrete (JTCP)2023-02-092028-02-09ActiveDavid MedinaYes
CT 540: Making Cylinders - PCC (JTCP)2023-02-092028-02-09ActiveDavid MedinaYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2023-02-092028-02-09ActiveDavid MedinaNo
CT 556: Slump - PCC (JTCP)2023-02-092028-02-09ActiveDavid MedinaYes
CT 557: Temperature - PCC (JTCP)2023-02-092028-02-09ActiveDavid MedinaYes
Total 15 items.
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP)2025-05-022028-05-02ActiveSarmad DalalYes
AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP)2025-05-022028-05-02ActiveSarmad DalalYes
AASHTO T30: Mechanical Analysis of Extracted Aggregate (JTCP)2025-05-022028-05-02ActiveSarmad DalalYes
AASHTO R47: Reducing Samples of HMA (JTCP)2025-05-022028-05-02ActiveSarmad DalalYes
AASHTO R76: Reducing Samples of Agg (JTCP)2025-05-022028-05-02ActiveSarmad DalalYes
AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP)2025-03-202028-03-20ActiveFirooz Ahmad HosainyYes
AASHTO T176: Sand Equivalent (JTCP)2025-05-022028-05-02ActiveSarmad DalalYes
AASHTO T209: Max SpG and Density - HMA (JTCP)2025-03-202028-03-20ActiveFirooz Ahmad HosainyYes
AASHTO T255: Evaporable Moisture Content (JTCP)2025-05-022028-05-02ActiveSarmad DalalYes
AASHTO T269: Percent Air Voids - HMA (JTCP)2025-03-202028-03-20ActiveFirooz Ahmad HosainyYes
AASHTO T275: Bulk SpG - HMA (JTCP)2025-03-202028-03-20ActiveFirooz Ahmad HosainyYes
AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP)2025-03-202028-03-20ActiveFirooz Ahmad HosainyYes
AASHTO T312: Gyratory Compactor2025-07-092027-07-09ActiveNicholas HallYes
AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP)2025-05-022028-05-02ActiveSarmad DalalYes
AASHTO T335: Percentage of Fracture (JTCP)2025-05-022028-05-02ActiveSarmad DalalYes

Details for Casey Riley

First NameCasey
Last NameRiley
StatusActive
Total 29 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2025-01-102028-01-10ActiveGabriela LopezYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2026-05-012029-05-01ActiveFirooz Ahmad HosainyYes
CT 125 GEN: Sampling - GENERAL2025-07-092027-07-09ActiveNicholas HallYes
CT 125 HMA: Sampling - HMA (JTCP)2026-05-012029-05-01ActiveFirooz Ahmad HosainyYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2025-01-102028-01-10ActiveGabriela LopezYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2025-01-102028-01-10ActiveGabriela LopezYes
CT 205: Percent Crushed Particles (JTCP)2025-01-102028-01-10ActiveGabriela LopezYes
CT 206: SpG & Absorption - Coarse Aggregates2025-07-092027-07-09ActiveNicholas HallYes
CT 211: LA Rattler2025-07-092027-07-09ActiveNicholas HallYes
CT 212: Unit Weight of Aggregates2025-07-092027-07-09ActiveNicholas HallYes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2025-01-102028-01-10ActiveGabriela LopezYes
CT 217: Sand Equivalent (JTCP)2025-01-102028-01-10ActiveGabriela LopezYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2025-01-102028-01-10ActiveGabriela LopezYes
CT 227: Cleanness Value (JTCP)2025-01-102028-01-10ActiveGabriela LopezYes
CT 229: Durability (JTCP)2025-01-102028-01-10ActiveGabriela LopezYes
CT 231: Relative Compaction - Nuclear Gage2025-07-092027-07-09ActiveNicholas HallYes
CT 306: Reducing Samples of Asphalt Mixtures (JTCP)2026-05-012029-05-01ActiveFirooz Ahmad HosainyYes
CT 370: Moisture Content by Microwave2025-07-092027-07-09ActiveNicholas HallYes
CT 375: AC Density by Nuclear Gage2025-07-092027-07-09ActiveNicholas HallYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2023-02-092028-02-09ActiveDavid MedinaYes
CT 518: Unit Weight - PCC (JTCP)2023-02-092028-02-09ActiveDavid MedinaYes
CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231)2025-07-092027-07-09ActiveNicholas HallYes
CT 521.1: Compressive Strength - PCC (ASTM C39 / C617)2023-07-122025-07-12ExpiredLoren LeeYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2023-02-092028-02-09ActiveDavid MedinaNo
CT 539: Sampling Fresh Concrete (JTCP)2023-02-092028-02-09ActiveDavid MedinaYes
CT 540: Making Cylinders - PCC (JTCP)2023-02-092028-02-09ActiveDavid MedinaYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2023-02-092028-02-09ActiveDavid MedinaNo
CT 556: Slump - PCC (JTCP)2023-02-092028-02-09ActiveDavid MedinaYes
CT 557: Temperature - PCC (JTCP)2023-02-092028-02-09ActiveDavid MedinaYes
Total 15 items.
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP)2026-05-012029-05-01ActiveFirooz Ahmad HosainyYes
AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP)2026-05-012029-05-01ActiveFirooz Ahmad HosainyYes
AASHTO T30: Mechanical Analysis of Extracted Aggregate (JTCP)2026-05-012029-05-01ActiveFirooz Ahmad HosainyYes
AASHTO R47: Reducing Samples of HMA (JTCP)2026-05-012029-05-01ActiveFirooz Ahmad HosainyYes
AASHTO R76: Reducing Samples of Agg (JTCP)2026-05-012029-05-01ActiveFirooz Ahmad HosainyYes
AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP)2026-02-262029-02-26ActiveFirooz Ahmad HosainyYes
AASHTO T176: Sand Equivalent (JTCP)2026-05-012029-05-01ActiveFirooz Ahmad HosainyYes
AASHTO T209: Max SpG and Density - HMA (JTCP)2026-02-262029-02-26ActiveGabriela LopezYes
AASHTO T255: Evaporable Moisture Content (JTCP)2026-05-012029-05-01ActiveFirooz Ahmad HosainyYes
AASHTO T269: Percent Air Voids - HMA (JTCP)2026-02-262029-02-26ActiveGabriela LopezYes
AASHTO T275: Bulk SpG - HMA (JTCP)2026-02-262029-02-26ActiveGabriela LopezYes
AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP)2026-02-262029-02-26ActiveGabriela LopezYes
AASHTO T312: Gyratory Compactor2023-07-122025-07-12ExpiredAlexis EnglandYes
AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP)2026-05-012029-05-01ActiveFirooz Ahmad HosainyYes
AASHTO T335: Percentage of Fracture (JTCP)2026-05-012029-05-01ActiveFirooz Ahmad HosainyYes