Caltrans SIAD - Information for Zachary Bieser

Tester Information for Zachary Bieser

First Name	Zachary
Last Name	Bieser
Status	Active

Print Certificates

Associated Labs

Total 2 items.

Lab Name	Manager Name	Full Address	District	Page Alias
The Quality Firm	Ricardo Osorio	177 University Parkway, Pomona, CA 91768	7	Lab 1
The Quality Firm - mobile lab #2	Ricardo Osorio	177 University Parkway, Pomona, CA 91768	7	Lab 2

Test Methods

California Test (CT) Certifications

Total 20 items.

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

AASHTO/ASTM Proficiencies

Total 13 items.

Test Method	Expiration Date	Status	IA Responsible	Within Lab(s) Scope	Comments
AASHTO T166 Bulk SpG of Compacted HMA - SSD (JTCP - HMA II)	2023-08-27	Expired	Soroosh Amelian	(No lab)	(No comments)
AASHTO T209 Max SpG and Density - HMA (JTCP - HMA II)	2023-08-27	Expired	Soroosh Amelian	(No lab)	(No comments)
AASHTO T269 Percent Air Voids - HMA (JTCP - HMA II)	2023-08-27	Expired	Soroosh Amelian	(No lab)	(No comments)
AASHTO T275 Bulk SpG - HMA (JTCP - HMA II)	2023-08-27	Expired	Soroosh Amelian	(No lab)	(No comments)
AASHTO T308 AC Content (Ignition Oven) - HMA (JTCP - HMA II)	2023-08-27	Expired	Soroosh Amelian	(No lab)	(No comments)
AASHTO T11 Sieve Analysis (Washing) - Fine Aggregates (JTCP - HMA I)	2024-02-26	Active	Sarbjit Grewal	(No lab)	(No comments)
AASHTO T27 Sieve Analysis - Fine and Coarse Aggregates (JTCP - HMA I)	2024-02-26	Active	Sarbjit Grewal	(No lab)	(No comments)
AASHTO R47 Reducing Samples of HMA (JTCP - HMA I)	2024-02-26	Active	Sarbjit Grewal	(No lab)	(No comments)
AASHTO R76 Reducing Samples of Agg (JTCP - HMA I)	2024-02-26	Active	Sarbjit Grewal	(No lab)	(No comments)
AASHTO T176 Sand Equivalent (JTCP - HMA I)	2024-02-26	Active	Sarbjit Grewal	(No lab)	(No comments)
AASHTO T255 Evaporable Moisture Content (JTCP - HMA I)	2024-02-26	Active	Sarbjit Grewal	(No lab)	(No comments)
AASHTO T329 Moisture Content (Oven Method) - HMA (JTCP - HMA I)	2024-02-26	Active	Sarbjit Grewal	(No lab)	(No comments)
AASHTO T335 Percentage of Fracture (JTCP - HMA I)	2024-02-26	Active	Sarbjit Grewal	(No lab)	(No comments)

For concerns with missing or erroneous data, please contact your Independent Assurance personnel