Technician Information for Jason Roberts

First NameJason
Last NameRoberts
Technician ID02426

Associated Labs

Total 2 items.
Lab NameManager NameFull AddressDistrictPage Alias
CT D10 - District LaboratoryMandeep Dhesi1976 Dr Martin Luther King Jr. Boulevard, Stockton, CA 9520510Lab 1
Wallace-Kuhl & Associates - StocktonKevin Watson3422 West Hammer Lane, Stockton, CA 9521910Lab 2

Test Methods

California Test (CT) Certifications

Total 38 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 518 Unit Weight - PCC (JTCP - PCC)2024-06-04InactiveDalton LaBoskeyLab 2(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2024-06-04InactiveDalton LaBoskeyLab 2(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2024-06-04InactiveDalton LaBoskeyLab 2(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2024-06-04InactiveDalton LaBoskeyLab 2(No comments)
CT 556 Slump - PCC (JTCP - PCC)2024-06-04InactiveDalton LaBoskeyLab 2(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2024-06-04InactiveDalton LaBoskeyLab 2(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2023-11-20ExpiredSarbjit GrewalLab 2Provisional
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2023-10-30ExpiredSarbjit GrewalLab 1, Lab 2(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2023-10-30ExpiredSarbjit GrewalLab 2Provisional
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2023-10-30ExpiredSarbjit GrewalLab 1, Lab 2Provisional
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2023-10-30ActiveBenjamin MartinezLab 1, Lab 2Did not participate in 2022 CSP CT 202.
CT 205 Percent Crushed Particles (JTCP - S&A)2023-10-30ExpiredSarbjit GrewalLab 1Provisional
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2023-10-30ExpiredSarbjit GrewalLab 1, Lab 2(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2023-10-30ExpiredSarbjit GrewalLab 1, Lab 2Provisional
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2023-10-30ExpiredSarbjit GrewalLab 1, Lab 2(No comments)
CT 227 Cleanness Value (JTCP - S&A)2023-10-30ExpiredSarbjit GrewalLab 1, Lab 2(No comments)
CT 229 Durability (JTCP - S&A)2023-10-30ExpiredSarbjit GrewalLab 1, Lab 2(No comments)
CT 106 Definitions - Specific Gravity (SpG) 2023-06-30ExpiredManpreet SinghLab 1(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2023-02-02InactiveDalton LaBoskeyLab 2(No comments)
CT 204 LL, PL, PI 2021-12-09ExpiredManpreet SinghLab 1, Lab 2(No comments)
CT 206 SpG & Absorption - Coarse Aggregates 2021-12-09ExpiredManpreet SinghLab 1, Lab 2(No comments)
CT 207 SpG & Absorption - Fine Aggregates 2021-12-09ExpiredManpreet SinghLab 1, Lab 2(No comments)
CT 211 LA Rattler 2021-12-09ExpiredManpreet SinghLab 1(No comments)
CT 234 Uncompacted void - Fine Aggregates 2021-12-09ExpiredManpreet SinghLab 1(No comments)
CT 235 Flat and Elongated Particles 2021-12-09ExpiredManpreet SinghLab 1(No comments)
CT 306 Reducing Samples of Asphalt Mixtures (JTCP - HMA I)2021-10-06ExpiredEd Gamboa(No lab)(No comments)
CT 308 Bulk SpG and Density - HMA 2020-01-16ExpiredManpreet SinghLab 1, Lab 2(No comments)
CT 309 Max SpG and Density - HMA 2020-01-16ExpiredManpreet SinghLab 1(No comments)
CT 366 Stabilometer 2020-01-16ExpiredManpreet SinghLab 1, Lab 2(No comments)
CT 370 Moisture Content by Microwave 2020-01-16ExpiredManpreet SinghLab 1(No comments)
CT 382 AC Content by Ignition Oven 2020-01-16ExpiredManpreet SinghLab 1, Lab 2(No comments)
CT 304 Sample Preparation - HMA 2020-01-15ExpiredManpreet SinghLab 1, Lab 2(No comments)
CT 125 GEN Sampling - GENERAL 2020-01-11ExpiredManpreet Singh(No lab)(No comments)
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2019-02-05ExpiredManpreet Singh(No lab)(No comments)
CT 523.2 Section B.3 Flexural Strength (Lab Test) 2019-02-05ExpiredManpreet Singh(No lab)(No comments)
CT 524 Flexural Strength of Rapid Strength - PCC 2019-02-05ExpiredManpreet Singh(No lab)(No comments)
CT 533 Ball Penetration - PCC 2019-02-02ExpiredManpreet SinghLab 2(No comments)
CT 209 SpG for Soil 2018-01-17ExpiredManpreet SinghLab 1(No comments)

AASHTO/ASTM Proficiencies

Total 22 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
AASHTO T166 Bulk SpG of Compacted HMA - SSD (JTCP - HMA II)2023-12-03ExpiredSarbjit GrewalLab 1(No comments)
AASHTO T209 Max SpG and Density - HMA (JTCP - HMA II)2023-12-03ExpiredSarbjit GrewalLab 1Provisional
AASHTO T269 Percent Air Voids - HMA (JTCP - HMA II)2023-12-03ExpiredSarbjit GrewalLab 1Provisional
AASHTO T275 Bulk SpG - HMA (JTCP - HMA II)2023-12-03ExpiredSarbjit GrewalLab 1Provisional
AASHTO T308 AC Content (Ignition Oven) - HMA (JTCP - HMA II)2023-12-03ExpiredSarbjit GrewalLab 1Provisional
AASHTO T11 Sieve Analysis (Washing) - Fine Aggregates (JTCP - HMA I)2023-11-20ExpiredSarbjit GrewalLab 1Provisional
AASHTO T27 Sieve Analysis - Fine and Coarse Aggregates (JTCP - HMA I)2023-11-20ExpiredSarbjit GrewalLab 1Provisional
AASHTO R47 Reducing Samples of HMA (JTCP - HMA I)2023-11-20ExpiredSarbjit GrewalLab 1(No comments)
AASHTO R76 Reducing Samples of Agg (JTCP - HMA I)2023-11-20ExpiredSarbjit GrewalLab 1(No comments)
AASHTO T176 Sand Equivalent (JTCP - HMA I)2023-11-20ExpiredSarbjit GrewalLab 1Provisional
AASHTO T255 Evaporable Moisture Content (JTCP - HMA I)2023-11-20ExpiredSarbjit GrewalLab 1(No comments)
AASHTO T329 Moisture Content (Oven Method) - HMA (JTCP - HMA I)2023-11-20ExpiredSarbjit GrewalLab 1Provisional
AASHTO T335 Percentage of Fracture (JTCP - HMA I)2023-11-20ExpiredSarbjit GrewalLab 1Provisional
AASHTO T84 SpG & Absorption - Fine Aggregates 2021-12-09ExpiredManpreet SinghLab 1(No comments)
AASHTO T85 SpG & Absorption - Coarse Aggregates 2021-12-09ExpiredManpreet SinghLab 1(No comments)
AASHTO T96 L.A. Rattler 2021-12-09ExpiredManpreet SinghLab 1(No comments)
AASHTO T210 Aggregate Durability Index 2021-12-09ExpiredManpreet SinghLab 1(No comments)
AASHTO T283 Moisture Induced Damage (TSR) 2021-12-09ExpiredManpreet SinghLab 1(No comments)
AASHTO T304 Uncompacted Void - Fine Aggregate 2021-12-09ExpiredManpreet SinghLab 1(No comments)
AASHTO T312 Gyratory Compactor 2021-12-09ExpiredManpreet SinghLab 1(No comments)
AASHTO T324 Hamburg Wheel-Track 2021-12-09ExpiredManpreet SinghLab 1(No comments)
ASTM D4791 Flat and Elongated Particles 2021-12-09ExpiredManpreet SinghLab 1(No comments)