Technician Information for Darrell Biederman

First NameDarrell
Last NameBiederman
Technician ID07190

Associated Labs

Total 1 item.
Lab NameManager NameFull AddressDistrictPage Alias
CT D09 - Bishop ConstructionDerek Carrington500 South Main Street, Bishop, CA 935149Lab 1

Test Methods

California Test (CT) Certifications

Total 12 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 125 AGG Sampling - AGGREGATES 2025-06-192026-06-19ActiveAshley ShawLab 1(No comments)
CT 125 BIT Sampling - BITUMINOUS 2025-06-192026-06-19ActiveAshley ShawLab 1(No comments)
CT 125 GEN Sampling - GENERAL 2025-06-192026-06-19ActiveAshley ShawLab 1(No comments)
CT 125 HMA Sampling - HMA 2025-06-192026-06-19ActiveAshley ShawLab 1(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2025-11-132030-11-13ActiveGabriela LopezLab 1(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2025-11-132030-11-13ActiveGabriela LopezLab 1(No comments)
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2025-11-132030-11-13ActiveGabriela Lopez(No lab)(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2025-11-132030-11-13ActiveGabriela LopezLab 1(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2025-11-132030-11-13ActiveGabriela LopezLab 1(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2025-11-132030-11-13ActiveGabriela LopezLab 1(No comments)
CT 556 Slump - PCC (JTCP - PCC)2025-11-132030-11-13ActiveGabriela LopezLab 1(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2025-11-132030-11-13ActiveGabriela LopezLab 1(No comments)

AASHTO/ASTM Proficiencies