Technician Information for Zachary Bieser

First NameZachary
Last NameBieser
Technician ID04748

Associated Labs

Total 2 items.
Lab NameManager NameFull AddressDistrictPage Alias
The Quality FirmRicardo Osorio177 University Parkway, Pomona, CA 917687Lab 1
The Quality Firm - mobile lab #2Ricardo Osorio177 University Parkway, Pomona, CA 917687Lab 2

Test Methods

California Test (CT) Certifications

Total 20 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2024-02-26ExpiredSarbjit GrewalLab 1, Lab 2(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2024-02-26ExpiredSarbjit GrewalLab 1(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2024-02-26ExpiredSarbjit GrewalLab 1(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2024-03-19ExpiredSarbjit GrewalLab 1, Lab 2(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2024-03-19ExpiredBenjamin MartinezLab 1, Lab 2Did not participate in 2022 CSP CT 202. Please contact CSP@dot.ca.gov for reinstatement instructions.
CT 205 Percent Crushed Particles (JTCP - S&A)2024-03-19ExpiredSarbjit Grewal(No lab)(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2024-03-19ExpiredSarbjit GrewalLab 1, Lab 2(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2024-03-19ExpiredSarbjit GrewalLab 1, Lab 2(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2024-03-19ExpiredSarbjit GrewalLab 1, Lab 2(No comments)
CT 227 Cleanness Value (JTCP - S&A)2024-03-19ExpiredSarbjit GrewalLab 1, Lab 2(No comments)
CT 229 Durability (JTCP - S&A)2024-03-19ExpiredSarbjit GrewalLab 1, Lab 2(No comments)
CT 306 Reducing Samples of Asphalt Mixtures (JTCP - HMA I)2024-02-26ExpiredSarbjit Grewal(No lab)(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2025-10-16ActiveDalton LaBoskeyLab 1(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2025-10-16ActiveDalton LaBoskey(No lab)(No comments)
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2025-10-16ActiveDalton LaBoskeyLab 1, Lab 2(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2025-10-16ActiveDalton LaBoskeyLab 1, Lab 2(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2025-10-16ActiveDalton LaBoskeyLab 1, Lab 2(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2025-10-16ActiveDalton LaBoskey(No lab)(No comments)
CT 556 Slump - PCC (JTCP - PCC)2025-10-16ActiveDalton LaBoskeyLab 1, Lab 2(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2025-10-16ActiveDalton LaBoskeyLab 1, Lab 2(No comments)

AASHTO/ASTM Proficiencies