Technician Information for John Atkinson

First NameJohn
Last NameAtkinson
Technician ID02328

Associated Labs

Lab NameLab Lab Manager NameFull AddressLab Lab DistrictPage Alias
No results found.

Test Methods

California Test (CT) Certifications

Total 33 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2019-05-242022-05-24ExpiredSoroosh Amelian(No lab)(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2019-05-242022-05-24ExpiredSoroosh Amelian(No lab)(No comments)
CT 125 GEN Sampling - GENERAL 2017-04-212019-06-11ExpiredJackie Treat(No lab)(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2019-05-312022-05-31ExpiredSoroosh Amelian(No lab)(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2019-05-242022-05-24ExpiredShaya Meisamifard(No lab)(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2019-05-242022-05-24ExpiredShaya Meisamifard(No lab)(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2019-05-242022-05-24ExpiredShaya Meisamifard(No lab)(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2019-05-242022-05-24ExpiredShaya Meisamifard(No lab)(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2019-05-242022-05-24ExpiredShaya Meisamifard(No lab)(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2019-05-242022-05-24ExpiredShaya Meisamifard(No lab)(No comments)
CT 227 Cleanness Value (JTCP - S&A)2019-05-242022-05-24ExpiredShaya Meisamifard(No lab)(No comments)
CT 229 Durability (JTCP - S&A)2019-05-242022-05-24ExpiredShaya Meisamifard(No lab)(No comments)
CT 231 Relative Compaction - Nuclear Gage 2021-03-032023-03-03ExpiredJackie Treat(No lab)(No comments)
CT 308 Bulk SpG and Density - HMA 2017-04-212019-04-21ExpiredJackie Treat(No lab)(No comments)
CT 309 Max SpG and Density - HMA 2017-04-212019-04-21ExpiredJackie Treat(No lab)(No comments)
CT 370 Moisture Content by Microwave 2017-04-212019-04-21ExpiredJackie Treat(No lab)(No comments)
CT 375 AC Density by Nuclear Gage 2021-03-032023-03-03ExpiredJackie Treat(No lab)(No comments)
CT 382 AC Content by Ignition Oven 2017-04-212019-04-21ExpiredJackie Treat(No lab)(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2020-03-142025-03-14ExpiredSarbjit Grewal(No lab)(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2020-03-142025-03-14ExpiredSarbjit Grewal(No lab)(No comments)
CT 521.1 Compressive Strength - PCC (ASTM C39 / C617) 2021-03-042023-03-04ExpiredJackie Treat(No lab) Created based on CT521 certificate ID31533
CT 521.2 Compressive Strength - PCC (ASTM C39 / C1231) 2021-03-042023-03-04ExpiredJackie Treat(No lab)
Created based on CT521 certificate ID31533
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2021-03-042023-03-04ExpiredJackie Treat(No lab)(No comments)
CT 523.2 Section B.3 Flexural Strength (Lab Test) 2021-03-042023-03-04ExpiredJackie Treat(No lab)(No comments)
CT 524 Flexural Strength of Rapid Strength - PCC 2021-03-042023-03-04ExpiredJackie Treat(No lab)(No comments)
CT 533 Ball Penetration - PCC 2021-03-042023-03-04ExpiredJackie Treat(No lab)(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2020-03-142025-03-14ExpiredSarbjit Grewal(No lab)(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2020-03-142025-03-14ExpiredSarbjit Grewal(No lab)(No comments)
CT 541 Flow Cone 2021-03-042022-03-04ExpiredJackie Treat(No lab)(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2020-03-142025-03-14ExpiredSarbjit Grewal(No lab)(No comments)
CT 552 Relative Compaction of Polymer Concrete 2021-03-042022-03-04ExpiredJackie Treat(No lab)(No comments)
CT 556 Slump - PCC (JTCP - PCC)2020-03-142025-03-14ExpiredSarbjit Grewal(No lab)(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2020-03-142025-03-14ExpiredSarbjit Grewal(No lab)(No comments)

AASHTO/ASTM Proficiencies

Total 8 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
AASHTO T210 Aggregate Durability Index 2017-04-212019-04-21ExpiredJackie Treat(No lab)(No comments)
AASHTO T248 Reducing Samples of Agg. (JTCP - HMA I)2016-04-212019-04-21ExpiredBiplab Bhattacharya(No lab)(No comments)
ASTM D4791 Flat and Elongated Particles 2017-04-212019-04-21ExpiredJackie Treat(No lab)(No comments)
AASHTO T166 Bulk SpG of Compacted HMA - SSD (JTCP - HMA II)2023-05-252026-05-25ActiveGabriela Lopez(No lab)(No comments)
AASHTO T209 Max SpG and Density - HMA (JTCP - HMA II)2023-05-252026-05-25ActiveGabriela Lopez(No lab)(No comments)
AASHTO T269 Percent Air Voids - HMA (JTCP - HMA II)2023-05-252026-05-25ActiveGabriela Lopez(No lab)(No comments)
AASHTO T275 Bulk SpG - HMA (JTCP - HMA II)2023-05-252026-05-25ActiveGabriela Lopez(No lab)(No comments)
AASHTO T308 AC Content (Ignition Oven) - HMA (JTCP - HMA II)2023-05-252026-05-25ActiveGabriela Lopez(No lab)(No comments)