Technician Information for Stephen DeBolt

First NameStephen
Last NameDeBolt
Technician ID01716
Print Certificates

Associated Labs

Total 2 items.
Lab NameManager NameFull AddressDistrictPage Alias
Earth Systems Pacific - PalmdaleMark Spykerman1024 West Avenue, M-4, Palmdale, CA 935517Lab 1
Earth Systems Pacific - VenturaMeng Wei Lu5917 Olivas Park Drive, Suite F, Ventura, CA 930037Lab 2

Test Methods

California Test (CT) Certifications

Total 35 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2024-11-05ActiveSoroosh AmelianLab 1, Lab 2(No comments)
CT 106 Definitions - Specific Gravity (SpG) 2122-06-01ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2024-11-05ActiveSoroosh AmelianLab 2(No comments)
CT 125 CEM Sampling - CEM 2019-01-12ExpiredSeree YenjaiLab 2(No comments)
CT 125 GEN Sampling - GENERAL 2019-01-12ExpiredSeree YenjaiLab 1, Lab 2(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2025-03-25ActiveAvinash RallaLab 2(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2024-11-05ActiveSoroosh AmelianLab 1, Lab 2(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2024-11-05ActiveSoroosh AmelianLab 1, Lab 2(No comments)
CT 204 LL, PL, PI 2024-12-06ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2024-11-05ActiveSoroosh AmelianLab 1, Lab 2(No comments)
CT 209 SpG for Soil 2024-12-06ActiveMajid FahrtoshLab 2(No comments)
CT 212 Unit Weight of Aggregates 2019-01-12ExpiredSeree YenjaiLab 2(No comments)
CT 213 Organic Impurities of PCC sand 2021-01-25ExpiredSeree YenjaiLab 2(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2024-11-05ActiveSoroosh AmelianLab 1, Lab 2(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2024-11-05ActiveSoroosh AmelianLab 1, Lab 2(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2024-11-05ActiveSoroosh AmelianLab 1, Lab 2(No comments)
CT 227 Cleanness Value (JTCP - S&A)2024-11-05ActiveSoroosh AmelianLab 1, Lab 2(No comments)
CT 229 Durability (JTCP - S&A)2024-11-05ActiveSoroosh AmelianLab 1, Lab 2(No comments)
CT 301 "R" Value 2021-01-24ExpiredSeree YenjaiLab 1, Lab 2(No comments)
CT 304 Sample Preparation - HMA 2021-01-24ExpiredSeree YenjaiLab 1, Lab 2(No comments)
CT 306 Reducing Samples of Asphalt Mixtures (JTCP - HMA I)2025-03-25ActiveAvinash RallaLab 2(No comments)
CT 308 Bulk SpG and Density - HMA 2021-01-25ExpiredSeree YenjaiLab 1, Lab 2(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2026-03-12ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2026-03-12ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 521.1 Compressive Strength - PCC (ASTM C39 / C617) 2024-12-06ActiveSeree Yenjai(No lab) Created based on CT521 certificate ID46062
CT 521.2 Compressive Strength - PCC (ASTM C39 / C1231) 2024-12-06ActiveSeree Yenjai(No lab)
Created based on CT521 certificate ID46062
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2026-03-12ActiveAshley ShawLab 1, Lab 2(No comments)
CT 523.2 Section B.3 Flexural Strength (Lab Test) 2024-12-06ActiveMajid FahrtoshLab 2(No comments)
CT 533 Ball Penetration - PCC 2024-12-06ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2026-03-12ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2026-03-12ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 541 Flow Cone 2024-12-06ActiveMajid FahrtoshLab 2(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2026-03-12ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 556 Slump - PCC (JTCP - PCC)2026-03-12ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2026-03-12ActiveSarbjit GrewalLab 1, Lab 2(No comments)

AASHTO/ASTM Proficiencies