Tester Information for John Atkinson

Basic Information

First NameJohn
Last NameAtkinson
StatusActive

Associated Labs

Total 1 item.
Lab NameManager NameFull AddressDistrictPage Alias
NV5-Holdrege & KullJohn Atkinson792 Searls Ave., Nevada City, CA 959593Lab 1

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)2022-05-24ExpiredSoroosh AmelianLab 1(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2022-05-24ExpiredSoroosh AmelianLab 1(No comments)
CT 125 GEN Sampling - GENERAL 2019-06-11ExpiredJackie TreatLab 1(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2022-05-31ActiveSoroosh AmelianLab 1(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2022-05-24ExpiredShaya MeisamifardLab 1(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2022-05-24ExpiredShaya MeisamifardLab 1(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2022-05-24ExpiredShaya MeisamifardLab 1(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2022-05-24ExpiredShaya MeisamifardLab 1(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2022-05-24ExpiredShaya MeisamifardLab 1(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2022-05-24ExpiredShaya MeisamifardLab 1(No comments)
CT 227 Cleanness Value (JTCP - S&A)2022-05-24ExpiredShaya MeisamifardLab 1(No comments)
CT 229 Durability (JTCP - S&A)2022-05-24ExpiredShaya MeisamifardLab 1(No comments)
CT 231 Relative Compaction - Nuclear Gage 2023-03-03ActiveJackie TreatLab 1(No comments)
CT 308 Bulk SpG and Density - HMA 2019-04-21ExpiredJackie TreatLab 1(No comments)
CT 309 Max SpG and Density - HMA 2019-04-21ExpiredJackie TreatLab 1(No comments)
CT 370 Moisture Content by Microwave 2019-04-21ExpiredJackie TreatLab 1(No comments)
CT 375 AC Density by Nuclear Gage 2023-03-03ActiveJackie TreatLab 1(No comments)
CT 382 AC Content by Ignition Oven 2019-04-21ExpiredJackie TreatLab 1(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2025-03-14ActiveSarbjit GrewalLab 1(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2025-03-14ActiveSarbjit GrewalLab 1(No comments)
CT 521 Compressive Strength - PCC 2023-03-04ActiveJackie TreatLab 1(No comments)
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2023-03-04ActiveJackie TreatLab 1(No comments)
CT 523.2 Section B.3 Flexural Strength (Lab Test) 2023-03-04ActiveJackie Treat(No lab)(No comments)
CT 524 Flexural Strength of Rapid Strength - PCC 2023-03-04ActiveJackie TreatLab 1(No comments)
CT 533 Ball Penetration - PCC 2023-03-04ActiveJackie TreatLab 1(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2025-03-14ActiveSarbjit GrewalLab 1(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2025-03-14ActiveSarbjit GrewalLab 1(No comments)
CT 541 Flow Cone 2022-03-04ExpiredJackie TreatLab 1(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2025-03-14ActiveSarbjit Grewal(No lab)(No comments)
CT 552 Relative Compaction of Polymer Concrete 2022-03-04ExpiredJackie TreatLab 1(No comments)
CT 556 Slump - PCC (JTCP - PCC)2025-03-14ActiveSarbjit GrewalLab 1(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2025-03-14ActiveSarbjit GrewalLab 1(No comments)

AASHTO/ASTM Proficiencies

Total 3 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
AASHTO T210 Aggregate Durability Index 2019-04-21ExpiredJackie TreatLab 1(No comments)
AASHTO T248 Reducing Samples of Agg. (JTCP - HMA I)2019-04-21ExpiredBiplab Bhattacharya(No lab)(No comments)
ASTM D4791 Flat and Elongated Particles 2019-04-21ExpiredJackie TreatLab 1(No comments)