Technician Information for Ruben Decastro

First NameRuben
Last NameDecastro
Technician ID02016
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Associated Labs

Total 2 items.
Lab NameManager NameFull AddressDistrictPage Alias
CT D07 - Los Angeles Field Material LaboratoryRobert Achuela/ Huey-Min Tzou1200 South Sepulveda Boulevard, Los Angeles, CA 900257Lab 1
CT D07 - Santa Fe Springs Field Material LaboratoryHuey-Min Tzou/ Robert Achuela13230 Firestone Boulevard, Suite J, Santa Fe Springs, CA 906707Lab 2

Test Methods

California Test (CT) Certifications

Total 23 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 125 ADMIX Sampling - ADMIXTURE 2019-06-05ExpiredMajid FahrtoshLab 1, Lab 2(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2019-06-05ExpiredMajid FahrtoshLab 1, Lab 2(No comments)
CT 125 BIT Sampling - BITUMINOUS 2019-06-05ExpiredMajid FahrtoshLab 1, Lab 2(No comments)
CT 125 CEM Sampling - CEM 2019-06-05ExpiredMajid FahrtoshLab 1, Lab 2(No comments)
CT 125 GEN Sampling - GENERAL 2019-06-05ExpiredMajid FahrtoshLab 1, Lab 2(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2019-06-05ExpiredMajid FahrtoshLab 1, Lab 2(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2019-06-05ExpiredMajid FahrtoshLab 1, Lab 2(No comments)
CT 231 Relative Compaction - Nuclear Gage 2025-05-30ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 375 AC Density by Nuclear Gage 2025-05-30ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2022-10-06ExpiredBiplab BhattacharyaLab 1, Lab 2(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2022-10-06ExpiredBiplab BhattacharyaLab 1, Lab 2(No comments)
CT 521.1 Compressive Strength - PCC (ASTM C39 / C617) 2025-05-30ActiveRoberto JarquinLab 2 Created based on CT521 certificate ID26373
CT 521.2 Compressive Strength - PCC (ASTM C39 / C1231) 2025-05-30ActiveRoberto JarquinLab 2
Created based on CT521 certificate ID26373
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2022-10-06ExpiredDalton LaBoskeyLab 1, Lab 2(No comments)
CT 523.2 Section B.3 Flexural Strength (Lab Test) 2025-05-30ActiveMajid FahrtoshLab 2(No comments)
CT 524 Flexural Strength of Rapid Strength - PCC 2025-05-30ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 533 Ball Penetration - PCC 2025-05-30ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2022-10-06ExpiredBiplab BhattacharyaLab 1, Lab 2(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2022-10-06ExpiredBiplab BhattacharyaLab 1, Lab 2(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2022-10-06ExpiredBiplab Bhattacharya(No lab)(No comments)
CT 552 Relative Compaction of Polymer Concrete 2025-05-30ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 556 Slump - PCC (JTCP - PCC)2022-10-06ExpiredBiplab BhattacharyaLab 2(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2022-10-06ExpiredBiplab BhattacharyaLab 2(No comments)

AASHTO/ASTM Proficiencies