Tester Information for Jeffery Richardson

Basic Information

First NameJeffery
Last NameRichardson
StatusActive

Associated Labs

Total 2 items.
Lab NameManager NameFull AddressDistrictPage Alias
Twining Laboratories of Southern CaliforniaSammy Daghighi111 North Main Street, Unit A, Riverside, CA 925018Lab 1
Twining LaboratoriesRyan Powney15950 Bernardo Center Drive, Suite J, San Diego, CA 9212711Lab 2

Test Methods

California Test (CT) Certifications

Total 21 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 125 ADMIX Sampling - ADMIXTURE 2019-08-31ExpiredRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 125 BIT Sampling - BITUMINOUS 2019-08-31ExpiredRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 125 CEM Sampling - CEM 2019-08-31ExpiredRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2019-08-31ExpiredRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2019-08-31ExpiredRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2019-08-31ExpiredRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2019-12-12ExpiredRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 523.2 Section B.3 Flexural Strength (Lab Test) 2019-12-12ExpiredRoy(Chip) Denner(No lab)(No comments)
CT 524 Flexural Strength of Rapid Strength - PCC 2019-12-12ExpiredRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 533 Ball Penetration - PCC 2019-12-12ExpiredRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2021-08-23ExpiredRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 125 GEN Sampling - GENERAL 2021-08-23ExpiredRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 231 Relative Compaction - Nuclear Gage 2021-08-23ExpiredRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 375 AC Density by Nuclear Gage 2021-12-09ExpiredRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2026-04-16ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2026-04-16ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2026-04-16ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2026-04-16ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2026-04-16ActiveSarbjit GrewalLab 2(No comments)
CT 556 Slump - PCC (JTCP - PCC)2026-04-16ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2026-04-16ActiveSarbjit GrewalLab 1, Lab 2(No comments)

AASHTO/ASTM Proficiencies

Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
No results found.