SIAD: Certificates for Kevyn Thaxton
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Certificates for Kevyn Thaxton

Basic Information

First NameKevyn
Last NameThaxton
StatusActive

Associated Labs

Total 4 items.
Lab NameManager NameFull AddressDistrictPage Alias
RMA Group - Main LaboratoryJoey Martinez12130 Santa Margarita Court, Rancho Cucamonga, CA 917308Lab 1
RMA GroupSlawek Dymerski12130 Santa Margarita Court, Rancho Cucamonga, CA 917308Lab 2
RMA Mobile Laboratory #11Joey Martinez12130 Santa Margarita Court, Rancho Cucamonga, CA 917308Lab 3
RMA Mobile Laboratory #12Joey Martinez12130 Santa Margarita Court, Rancho Cucamonga, CA 917308Lab 4

Test Methods

California Test (CT) Certifications

Total 25 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2025-06-27ExpiredGraham VelekLab 1, Lab 3, Lab 4(No comments)
CT 125 AGG Sampling - AGGREGATES 2025-02-06ExpiredShaya MeisamifardLab 1, Lab 3, Lab 4Couldn't find any document regarding his 125 AGG request back in 2022. He'll request for recertification both 125 HMA and AGG together.
CT 125 HMA Sampling - HMA 2025-03-29ExpiredShaya MeisamifardLab 1, Lab 3, Lab 4(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2025-06-27ExpiredGraham VelekLab 1, Lab 3, Lab 4(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2025-06-27ExpiredGraham VelekLab 1, Lab 3, Lab 4(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2025-06-27ExpiredGraham VelekLab 1(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2025-06-27ExpiredGraham VelekLab 1(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2025-06-27ExpiredGraham VelekLab 1, Lab 3, Lab 4(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2025-06-27ExpiredGraham VelekLab 1, Lab 3, Lab 4(No comments)
CT 227 Cleanness Value (JTCP - S&A)2025-06-27ExpiredGraham VelekLab 1, Lab 3, Lab 4(No comments)
CT 229 Durability (JTCP - S&A)2025-06-27IncompleteGraham VelekLab 1(No comments)
CT 231 Relative Compaction - Nuclear Gage 2026-05-02ActiveRoy(Chip) DennerLab 1(No comments)
CT 375 AC Density by Nuclear Gage 2026-05-02ActiveRoy(Chip) DennerLab 1(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2025-12-11ActiveDalton LaBoskeyLab 1, Lab 3, Lab 4(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2025-12-11ActiveDalton LaBoskeyLab 1, Lab 3, Lab 4(No comments)
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2026-12-11ActiveRabiul HyderLab 1, Lab 3, Lab 4(No comments)
CT 523.2 Section B.3 Flexural Strength (Lab Test) 2026-05-02ActiveRoy(Chip) DennerLab 1, Lab 3, Lab 4(No comments)
CT 524 Flexural Strength of Rapid Strength - PCC 2026-05-02ActiveRoy(Chip) DennerLab 1, Lab 3, Lab 4(No comments)
CT 533 Ball Penetration - PCC 2026-05-02ActiveRoy(Chip) DennerLab 1, Lab 3, Lab 4(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2025-12-11ActiveDalton LaBoskeyLab 1, Lab 3, Lab 4(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2025-12-11ActiveDalton LaBoskeyLab 1, Lab 3, Lab 4(No comments)
CT 541 Flow Cone 2026-05-02ActiveRoy(Chip) Denner(No lab)(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2025-12-11ActiveDalton LaBoskeyLab 1(No comments)
CT 556 Slump - PCC (JTCP - PCC)2025-12-11ActiveDalton LaBoskeyLab 1, Lab 3, Lab 4(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2025-12-11ActiveDalton LaBoskeyLab 1, Lab 3, Lab 4(No comments)

AASHTO/ASTM Proficiencies

Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
No results found.