SIAD: Certificates for JD Atkinson
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Certificates for JD Atkinson

Basic Information

First NameJD
Last NameAtkinson
StatusActive

Associated Labs

Total 1 item.
Lab NameManager NameFull AddressDistrictPage Alias
CT D02 - Redding Construction LaboratoryWilliam Barnes1657 Riverside Drive, Redding, CA 960012Lab 1

Test Methods

California Test (CT) Certifications

Total 33 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2024-07-16ActiveSoroosh AmelianLab 1(No comments)
CT 125 ADMIX Sampling - ADMIXTURE 2018-07-30ExpiredJackie Treat(No lab)(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2024-07-16ActiveSoroosh AmelianLab 1(No comments)
CT 125 BIT Sampling - BITUMINOUS 2018-07-30ExpiredJackie TreatLab 1(No comments)
CT 125 CEM Sampling - CEM 2018-07-30ExpiredJackie TreatLab 1(No comments)
CT 125 GEN Sampling - GENERAL 2020-05-01ExpiredJackie TreatLab 1(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2024-07-16ActiveSoroosh AmelianLab 1(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2024-07-30ActiveSarbjit GrewalLab 1(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2024-07-30ActiveSarbjit GrewalLab 1(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2024-07-30ActiveSarbjit GrewalLab 1(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2024-07-30ActiveSarbjit GrewalLab 1(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2024-07-30ActiveSarbjit GrewalLab 1(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2024-07-30ActiveSarbjit GrewalLab 1(No comments)
CT 227 Cleanness Value (JTCP - S&A)2024-07-30ActiveSarbjit GrewalLab 1(No comments)
CT 229 Durability (JTCP - S&A)2024-07-30ActiveSarbjit GrewalLab 1(No comments)
CT 231 Relative Compaction - Nuclear Gage 2023-06-07ExpiredAnthony OrtizLab 1(No comments)
CT 306 Reducing Samples of Asphalt Mixtures (JTCP - HMA I)2024-07-16ActiveSoroosh AmelianLab 1(No comments)
CT 375 AC Density by Nuclear Gage 2023-06-07ExpiredAnthony OrtizLab 1Changed to correct date of obtainment. JT
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2021-10-01ExpiredDalton LaBoskeyLab 1(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2021-10-01ExpiredDalton LaBoskeyLab 1(No comments)
CT 521.2 Compressive Strength - PCC (ASTM C39 / C1231) 2022-02-27ExpiredEmily Merritt(No lab)
Created based on CT521 certificate ID31559
CT 521.1 Compressive Strength - PCC (ASTM C39 / C617) 2022-02-27ExpiredEmily Merritt(No lab) Created based on CT521 certificate ID31559
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2022-02-27ExpiredJackie Treat(No lab)(No comments)
CT 523.2 Section B.3 Flexural Strength (Lab Test) 2022-02-27ExpiredJackie Treat(No lab)(No comments)
CT 524 Flexural Strength of Rapid Strength - PCC 2022-02-27ExpiredJackie Treat(No lab)(No comments)
CT 533 Ball Penetration - PCC 2022-02-27ExpiredJackie TreatLab 1(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2021-10-01ExpiredDalton LaBoskeyLab 1(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2021-10-01ExpiredDalton LaBoskeyLab 1(No comments)
CT 541 Flow Cone 2022-03-04ExpiredJackie Treat(No lab)(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2021-10-01ExpiredDalton LaBoskeyLab 1(No comments)
CT 552 Relative Compaction of Polymer Concrete 2022-03-04ExpiredJackie TreatLab 1(No comments)
CT 556 Slump - PCC (JTCP - PCC)2021-10-01ExpiredDalton LaBoskeyLab 1(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2021-10-01ExpiredDalton LaBoskeyLab 1(No comments)

AASHTO/ASTM Proficiencies

Total 14 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
AASHTO T11 Sieve Analysis (Washing) - Fine Aggregates (JTCP - HMA I)2024-07-16ActiveSoroosh AmelianLab 1(No comments)
AASHTO T27 Sieve Analysis - Fine and Coarse Aggregates (JTCP - HMA I)2024-07-16ActiveSoroosh AmelianLab 1(No comments)
AASHTO R47 Reducing Samples of HMA (JTCP - HMA I)2024-07-16ActiveSoroosh AmelianLab 1(No comments)
AASHTO R76 Reducing Samples of Agg (JTCP - HMA I)2024-07-16ActiveSoroosh AmelianLab 1(No comments)
AASHTO T166 Bulk SpG of Compacted HMA - SSD (JTCP - HMA II)2022-10-10ExpiredSarbjit GrewalLab 1(No comments)
AASHTO T176 Sand Equivalent (JTCP - HMA I)2024-07-16ActiveSoroosh AmelianLab 1(No comments)
AASHTO T209 Max SpG and Density - HMA (JTCP - HMA II)2025-10-10ActiveSarbjit GrewalLab 1(No comments)
AASHTO T248 Reducing Samples of Agg. (JTCP - HMA I)2021-05-04ExpiredBiplab Bhattacharya(No lab)(No comments)
AASHTO T255 Evaporable Moisture Content (JTCP - HMA I)2024-07-16ActiveSoroosh AmelianLab 1(No comments)
AASHTO T269 Percent Air Voids - HMA (JTCP - HMA II)2022-10-10ExpiredSarbjit GrewalLab 1(No comments)
AASHTO T275 Bulk SpG - HMA (JTCP - HMA II)2022-10-10ExpiredSarbjit GrewalLab 1(No comments)
AASHTO T308 AC Content (Ignition Oven) - HMA (JTCP - HMA II)2022-10-10ExpiredSarbjit GrewalLab 1(No comments)
AASHTO T329 Moisture Content (Oven Method) - HMA (JTCP - HMA I)2024-07-16ActiveSoroosh AmelianLab 1(No comments)
AASHTO T335 Percentage of Fracture (JTCP - HMA I)2024-07-16ActiveSoroosh AmelianLab 1(No comments)