Technician Information for William Grieder

First NameWilliam
Last NameGrieder
Technician ID05039

Associated Labs

Total 1 item.
Lab NameManager NameFull AddressDistrictPage Alias
Earth Systems Pacific - VenturaMeng Wei Lu5917 Olivas Park Drive, Suite F, Ventura, CA 930037Lab 1

Test Methods

California Test (CT) Certifications

Total 16 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 125 AGG Sampling - AGGREGATES 2024-02-082025-02-08ExpiredAshley ShawLab 1(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2025-04-182028-04-18ActiveGraham VelekLab 1(No comments)
CT 125 GEN Sampling - GENERAL 2024-02-082025-02-08ExpiredAshley ShawLab 1(No comments)
CT 125 HMA Sampling - HMA 2024-02-082025-02-08ExpiredAshley ShawLab 1(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2025-04-182028-04-18ActiveGraham VelekLab 1(No comments)
CT 231 Relative Compaction - Nuclear Gage 2023-12-132025-12-13ActiveAshley ShawLab 1(No comments)
CT 306 Reducing Samples of Asphalt Mixtures (JTCP - HMA I)2025-04-182028-04-18ActiveGraham VelekLab 1(No comments)
CT 375 AC Density by Nuclear Gage 2023-12-132025-12-13ActiveAshley ShawLab 1(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2021-03-122026-03-12ActiveSarbjit GrewalLab 1(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2021-03-122026-03-12ActiveSarbjit GrewalLab 1(No comments)
CT 533 Ball Penetration - PCC 2023-12-132025-12-13ActiveAshley ShawLab 1(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2021-03-122026-03-12ActiveSarbjit GrewalLab 1(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2021-03-122026-03-12ActiveSarbjit GrewalLab 1(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2021-03-122026-03-12ActiveSarbjit GrewalLab 1(No comments)
CT 556 Slump - PCC (JTCP - PCC)2021-03-122026-03-12ActiveSarbjit GrewalLab 1(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2021-03-122026-03-12ActiveSarbjit GrewalLab 1(No comments)

AASHTO/ASTM Proficiencies

JTCP Sessions

Total 1 item.
JTCP Training CodeJTCP Training Start DateJTCP Training End Date
HMA1_LB00912025-04-152025-04-18