Technician Information for Ronnie Roberts

First NameRonnie
Last NameRoberts
Technician ID01995

Associated Labs

Total 7 items.
Lab NameManager NameFull AddressDistrictPage Alias
RMA Group CarsonRicardo Osorio1210 East 223rd Street, Suite 319, Carson, CA 907457Lab 1
RMA Group - Main LaboratoryThomas Junker12130 Santa Margarita Court, Rancho Cucamonga, CA 917308Lab 2
RMA Group - PCC #7Steve Pitzer12130 Santa Margarita Court, Rancho Cucamonga, CA 917308Lab 3
RMA Group - PCC #1Slawek Dymerski12130 Santa Margarita Court, Rancho Cucamonga, CA 917308Lab 4
RMA Group - PCC#2Slawek Dymerski12130 Santa Margarita Court, Rancho Cucamonga, CA 917308Lab 5
RMA Mobile Laboratory #11Ray Alcantara12130 Santa Margarita Court, Rancho Cucamonga, CA 917308Lab 6
RMA Mobile Laboratory #12Steve Pitzer12130 Santa Margarita Court, Rancho Cucamonga, CA 917308Lab 7

Test Methods

California Test (CT) Certifications

Total 28 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2026-02-10ActiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4, Lab 5, Lab 6, Lab 7(No comments)
CT 125 GEN Sampling - GENERAL 2019-04-08ExpiredVincent OnohLab 1, Lab 2, Lab 3, Lab 4, Lab 5, Lab 6, Lab 7(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2026-02-10ActiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4, Lab 5(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2019-04-08InactiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4, Lab 5(No comments)
CT 125 CEM Sampling - CEM 2019-04-08ExpiredVincent OnohLab 1, Lab 2, Lab 3, Lab 4, Lab 5, Lab 6, Lab 7(No comments)
CT 125 ADMIX Sampling - ADMIXTURE 2019-04-08ExpiredVincent OnohLab 1, Lab 2, Lab 3, Lab 4, Lab 5(No comments)
CT 125 BIT Sampling - BITUMINOUS 2019-04-08ExpiredVincent OnohLab 1, Lab 2, Lab 3, Lab 4, Lab 5(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2026-02-10ActiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4, Lab 5, Lab 6, Lab 7(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2026-02-10ActiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4, Lab 5, Lab 6, Lab 7(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2026-02-10ActiveAvinash RallaLab 2(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2026-02-10ActiveAvinash RallaLab 1, Lab 2(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2026-02-10ActiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4, Lab 5, Lab 6, Lab 7Did not participate in the 2021 CT217(CSP)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2026-02-10ActiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4, Lab 5, Lab 6, Lab 7(No comments)
CT 227 Cleanness Value (JTCP - S&A)2026-02-10ActiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4, Lab 5, Lab 6, Lab 7(No comments)
CT 231 Relative Compaction - Nuclear Gage 2024-01-21ExpiredShaya MeisamifardLab 1, Lab 2(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2022-01-28ExpiredSarbjit GrewalLab 1, Lab 2, Lab 3, Lab 4, Lab 5, Lab 6, Lab 7(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2022-01-28ExpiredSarbjit GrewalLab 2, Lab 3, Lab 4, Lab 5, Lab 6, Lab 7(No comments)
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2022-01-29ExpiredBrandt HouchenLab 2, Lab 3, Lab 4, Lab 5, Lab 6, Lab 7(No comments)
CT 524 Flexural Strength of Rapid Strength - PCC 2024-02-01ExpiredRabiul HyderLab 2, Lab 3, Lab 4, Lab 5, Lab 6, Lab 7(No comments)
CT 533 Ball Penetration - PCC 2018-06-23ExpiredAshley ShawLab 2, Lab 3, Lab 4, Lab 5, Lab 6, Lab 7(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2022-01-28ExpiredSarbjit GrewalLab 1, Lab 2, Lab 3, Lab 4, Lab 5, Lab 6, Lab 7(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2022-01-28ExpiredSarbjit GrewalLab 1, Lab 2, Lab 3, Lab 4, Lab 5, Lab 6, Lab 7(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2022-01-28ExpiredSarbjit GrewalLab 2(No comments)
CT 556 Slump - PCC (JTCP - PCC)2022-01-28ExpiredSarbjit GrewalLab 1, Lab 2, Lab 3, Lab 6, Lab 7(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2022-01-28ExpiredSarbjit GrewalLab 1, Lab 2, Lab 3, Lab 4, Lab 5, Lab 6, Lab 7(No comments)
CT 523.2 Section B.3 Flexural Strength (Lab Test) 2024-02-01ExpiredRabiul HyderLab 2, Lab 3, Lab 4, Lab 5, Lab 6, Lab 7(No comments)
CT 521.1 Compressive Strength - PCC (ASTM C39 / C617) 2018-06-23ExpiredEmily MerrittLab 1, Lab 2, Lab 3 Created based on CT521 certificate ID26184
CT 521.2 Compressive Strength - PCC (ASTM C39 / C1231) 2018-06-23ExpiredEmily MerrittLab 1, Lab 2, Lab 3
Created based on CT521 certificate ID26184

AASHTO/ASTM Proficiencies