Technician Information for Bryan Dorsch

First NameBryan
Last NameDorsch
Technician ID02158

Associated Labs

Total 4 items.
Lab NameManager NameFull AddressDistrictPage Alias
Twining Laboratories of Southern CaliforniaCorey Rhodes3310 Airport Way, Long Beach, CA 908067Lab 1
Twining Laboratories of Southern CaliforniaSammy Daghighi111 North Main Street, Unit A, Riverside, CA 925018Lab 2
Twining, Incorporated - Long Beach, Mobile Laboratory 1Corey Rhodes24300 Avenida De La Carlota, Laguna Hills, CA 926537Lab 3
Twining, Incorporated - Long Beach, Mobile Laboratory 3Corey Rhodes3310 Airport Way, Long Beach, CA 908067Lab 4

Test Methods

California Test (CT) Certifications

Total 31 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2027-03-22ActiveFirooz Ahmad HosainyLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2027-03-22ActiveFirooz Ahmad HosainyLab 1, Lab 2(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2027-03-22ActiveFirooz Ahmad HosainyLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2027-03-22ActiveFirooz Ahmad HosainyLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2027-03-22ActiveFirooz Ahmad HosainyLab 1, Lab 2(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2027-03-22ActiveFirooz Ahmad HosainyLab 1, Lab 2, Lab 3(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2027-03-22ActiveFirooz Ahmad HosainyLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2027-03-22ActiveFirooz Ahmad HosainyLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 227 Cleanness Value (JTCP - S&A)2027-03-22ActiveFirooz Ahmad HosainyLab 1, Lab 2, Lab 3, Lab 4(No comments)
CT 229 Durability (JTCP - S&A)2027-03-22ActiveFirooz Ahmad HosainyLab 1, Lab 2, Lab 3(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2026-03-12ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2026-03-12ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2026-03-12ActiveAshley ShawLab 1, Lab 2Date adjusted to reflect expiration of other ACI tests IA 68
CT 539 Sampling Fresh Concrete (JTCP - PCC)2026-03-12ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2026-03-12ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2026-03-12ActiveSarbjit Grewal(No lab)(No comments)
CT 556 Slump - PCC (JTCP - PCC)2026-03-12ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2026-03-12ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 125 ADMIX Sampling - ADMIXTURE 2025-07-12ActiveAshley ShawLab 1, Lab 2Date adjusted to make a three year Cert
CT 125 AGG Sampling - AGGREGATES 2025-07-12ActiveAshley ShawLab 1, Lab 4Date adjusted to make a three year Cert
CT 125 BIT Sampling - BITUMINOUS 2025-07-12ActiveAshley ShawLab 1, Lab 2Date adjusted to make a three year Cert
CT 125 CEM Sampling - CEM 2025-07-12ActiveAshley ShawLab 1, Lab 2Date adjusted to make a three year Cert
CT 125 GEN Sampling - GENERAL 2025-07-12ActiveAshley ShawLab 1, Lab 2, Lab 4Date adjusted to make a three year Cert
CT 125 HMA Sampling - HMA 2025-07-12ActiveAshley ShawLab 1Date adjusted to make a three year Cert
CT 521.2 Compressive Strength - PCC (ASTM C39 / C1231) 2024-11-09ActiveEmily MerrittLab 1
Created based on CT521 certificate ID27401
CT 521.1 Compressive Strength - PCC (ASTM C39 / C617) 2024-11-09ActiveEmily MerrittLab 1 Created based on CT521 certificate ID27401
CT 523.2 Section B.3 Flexural Strength (Lab Test) 2024-11-09ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 524 Flexural Strength of Rapid Strength - PCC 2024-11-09ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 533 Ball Penetration - PCC 2024-11-09ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 231 Relative Compaction - Nuclear Gage 2024-10-31ActiveAshley ShawLab 1, Lab 2(No comments)
CT 375 AC Density by Nuclear Gage 2024-10-31ActiveAshley ShawLab 1, Lab 2(No comments)

AASHTO/ASTM Proficiencies