Technician Information for Nelson Alvarado

First NameNelson
Last NameAlvarado
Technician ID02015

Associated Labs

Total 2 items.
Lab NameManager NameFull AddressDistrictPage Alias
CT D07 - Long Beach Field Material LaboratoryRobert Achuela/ Huey-Min Tzou301 East Coolidge Street, Long Beach, CA 908057Lab 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 30 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 557 Temperature - PCC (JTCP - PCC)2019-09-19ExpiredBiplab BhattacharyaLab 2(No comments)
CT 556 Slump - PCC (JTCP - PCC)2019-09-19ExpiredBiplab BhattacharyaLab 2(No comments)
CT 552 Relative Compaction of Polymer Concrete 2025-05-30ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2019-09-19ExpiredBiplab Bhattacharya(No lab)(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2019-09-19ExpiredBiplab BhattacharyaLab 1, Lab 2(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2019-09-19ExpiredBiplab BhattacharyaLab 1, Lab 2(No comments)
CT 533 Ball Penetration - PCC 2025-05-30ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 524 Flexural Strength of Rapid Strength - PCC 2025-05-30ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 523.2 Section B.3 Flexural Strength (Lab Test) 2025-05-30ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2021-05-30ExpiredRoberto JarquinLab 1, Lab 2(No comments)
CT 521.2 Compressive Strength - PCC (ASTM C39 / C1231) 2025-05-30ActiveEmily MerrittLab 2
Created based on CT521 certificate ID26356
CT 521.1 Compressive Strength - PCC (ASTM C39 / C617) 2025-05-30ActiveEmily MerrittLab 2 Created based on CT521 certificate ID26356
CT 518 Unit Weight - PCC (JTCP - PCC)2019-09-19ExpiredBiplab BhattacharyaLab 1, Lab 2(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2019-09-19ExpiredBiplab BhattacharyaLab 1, Lab 2(No comments)
CT 375 AC Density by Nuclear Gage 2025-05-30ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 231 Relative Compaction - Nuclear Gage 2025-05-30ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 227 Cleanness Value (JTCP - S&A)2022-04-12ExpiredShaya MeisamifardLab 2(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2022-04-12ExpiredShaya MeisamifardLab 2(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2022-04-12ExpiredShaya MeisamifardLab 2(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2022-04-12ExpiredShaya MeisamifardLab 1, Lab 2(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2022-04-12ExpiredShaya Meisamifard(No lab)(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2022-04-12ExpiredShaya MeisamifardLab 2(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2022-04-12ExpiredShaya MeisamifardLab 2(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2019-07-02ExpiredMajid FahrtoshLab 1, Lab 2(No comments)
CT 125 GEN Sampling - GENERAL 2019-07-02ExpiredMajid FahrtoshLab 1, Lab 2(No comments)
CT 125 CEM Sampling - CEM 2019-07-02ExpiredMajid FahrtoshLab 1, Lab 2(No comments)
CT 125 BIT Sampling - BITUMINOUS 2019-07-02ExpiredMajid FahrtoshLab 1, Lab 2(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2022-04-12ExpiredShaya MeisamifardLab 1, Lab 2(No comments)
CT 125 ADMIX Sampling - ADMIXTURE 2019-07-02ExpiredMajid FahrtoshLab 1, Lab 2(No comments)
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2022-04-12ExpiredShaya MeisamifardLab 2(No comments)

AASHTO/ASTM Proficiencies