Technician Information for Rigoberto Arroyo

First NameRigoberto
Last NameArroyo
Technician ID03860

Associated Labs

Total 4 items.
Lab NameManager NameFull AddressDistrictPage Alias
Atlas Technical Consultants Mobile Lab #2Samir El-Chammas431 South Broadway, Blythe, CA 922258Lab 1
Atlas Technical Consultants LLCMehrab Jesmani14457 Meridian Parkway, Riverside, CA 925188Lab 2
Atlas Technical Consultants - WhittierSamir El-Chammas12409 Slauson Avenue, Suite I, Whittier, CA 906067Lab 3
Atlas Technical Consultants Mobile Lab #1Samir El-Chammas431 South Broadway , Blythe, CA 922258Lab 4

Test Methods

California Test (CT) Certifications

Total 32 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2025-05-27ActiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 125 ADMIX Sampling - ADMIXTURE 2025-06-08ActiveMajid FahrtoshLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2025-05-27ActiveAvinash RallaLab 1, Lab 2, Lab 3(No comments)
CT 125 BIT Sampling - BITUMINOUS 2025-06-08ActiveMajid FahrtoshLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 125 CEM Sampling - CEM 2025-06-08ActiveMajid FahrtoshLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 125 GEN Sampling - GENERAL 2025-06-08ActiveMajid FahrtoshLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2025-05-27ActiveAvinash RallaLab 1, Lab 2, Lab 3(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2025-03-04ActiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2025-03-04ActiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2025-03-04ActiveAvinash RallaLab 2(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2025-03-04ActiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2025-03-04ActiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2025-03-04ActiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 227 Cleanness Value (JTCP - S&A)2025-03-04ActiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 229 Durability (JTCP - S&A)2025-03-04ActiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 231 Relative Compaction - Nuclear Gage 2026-06-08ActiveEdwin Rojas FloresLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 306 Reducing Samples of Asphalt Mixtures (JTCP - HMA I)2025-05-27ActiveAvinash RallaLab 3(No comments)
CT 375 AC Density by Nuclear Gage 2025-04-16ActiveEdwin Rojas FloresLab 1, Lab 4(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2027-05-13ActiveDavid MedinaLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2027-05-13ActiveDavid MedinaLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 521.2 Compressive Strength - PCC (ASTM C39 / C1231) 2026-06-08ActiveEdwin Rojas FloresLab 1, Lab 3, Lab 4
Created based on CT521 certificate ID84115
CT 521.1 Compressive Strength - PCC (ASTM C39 / C617) 2026-06-08ActiveEdwin Rojas FloresLab 1, Lab 3, Lab 4 Created based on CT521 certificate ID84115
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2027-05-13ActiveDavid MedinaLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 523.2 Section B.3 Flexural Strength (Lab Test) 2026-06-08ActiveEdwin Rojas FloresLab 2, Lab 3, Lab 4(No comments)
CT 524 Flexural Strength of Rapid Strength - PCC 2026-06-08ActiveEdwin Rojas FloresLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 533 Ball Penetration - PCC 2026-06-08ActiveEdwin Rojas FloresLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2027-05-13ActiveDavid MedinaLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2027-05-13ActiveDavid MedinaLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2027-05-13ActiveDavid Medina(No lab)(No comments)
CT 552 Relative Compaction of Polymer Concrete 2025-06-08ActiveEdwin Rojas FloresLab 1, Lab 3, Lab 4(No comments)
CT 556 Slump - PCC (JTCP - PCC)2027-05-13ActiveDavid MedinaLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2027-05-13ActiveDavid MedinaLab 1, Lab 2, Lab 3, Lab 4(No comments)

AASHTO/ASTM Proficiencies

Total 13 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
AASHTO T11 Sieve Analysis (Washing) - Fine Aggregates (JTCP - HMA I)2025-05-27ActiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4(No comments)
AASHTO T27 Sieve Analysis - Fine and Coarse Aggregates (JTCP - HMA I)2025-05-27ActiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4(No comments)
AASHTO R47 Reducing Samples of HMA (JTCP - HMA I)2025-05-27ActiveAvinash RallaLab 1, Lab 2, Lab 3(No comments)
AASHTO R76 Reducing Samples of Agg (JTCP - HMA I)2025-05-27ActiveAvinash RallaLab 1, Lab 2, Lab 3(No comments)
AASHTO T166 Bulk SpG of Compacted HMA - SSD (JTCP - HMA II)2026-03-02ActiveDavid MedinaLab 2, Lab 3(No comments)
AASHTO T176 Sand Equivalent (JTCP - HMA I)2025-05-27ActiveAvinash RallaLab 1, Lab 2, Lab 3(No comments)
AASHTO T209 Max SpG and Density - HMA (JTCP - HMA II)2026-03-02ActiveDavid MedinaLab 3(No comments)
AASHTO T255 Evaporable Moisture Content (JTCP - HMA I)2025-05-27ActiveAvinash RallaLab 1, Lab 2, Lab 3(No comments)
AASHTO T269 Percent Air Voids - HMA (JTCP - HMA II)2026-03-02ActiveDavid MedinaLab 2, Lab 3(No comments)
AASHTO T275 Bulk SpG - HMA (JTCP - HMA II)2026-03-02ActiveDavid MedinaLab 2, Lab 3(No comments)
AASHTO T308 AC Content (Ignition Oven) - HMA (JTCP - HMA II)2026-03-02ActiveDavid MedinaLab 2, Lab 3(No comments)
AASHTO T329 Moisture Content (Oven Method) - HMA (JTCP - HMA I)2025-05-27ActiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4(No comments)
AASHTO T335 Percentage of Fracture (JTCP - HMA I)2025-05-27ActiveAvinash RallaLab 1, Lab 2, Lab 3, Lab 4(No comments)