Technician Information for Robert Lohman

First NameRobert
Last NameLohman
Technician ID02793
Download TL-0111

Associated Labs

Total 2 items.
Lab NameManager NameFull AddressDistrictPage Alias
CT D04 - Pleasanton Field LaboratoryDennis Yeung5675 Gibraltar Drive, Pleasanton, CA 945884Lab 1
Atlas Technical Consultants - WhittierSamir El-Chammas12409 Slauson Avenue, Suite I, Whittier, CA 906067Lab 2

Test Methods

California Test (CT) Certifications

Total 28 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 557 Temperature - PCC (JTCP - PCC)2028-03-10ActiveDavid MedinaLab 2(No comments)
CT 556 Slump - PCC (JTCP - PCC)2028-03-10ActiveDavid MedinaLab 2(No comments)
CT 552 Relative Compaction of Polymer Concrete 2026-11-25ActiveJoshua GallawayLab 1, Lab 2(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2028-03-10ActiveDavid Medina(No lab)(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2028-03-10ActiveDavid MedinaLab 2(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2028-03-10ActiveDavid MedinaLab 1, Lab 2(No comments)
CT 524 Flexural Strength of Rapid Strength - PCC 2026-11-25ActiveJoshua GallawayLab 1, Lab 2(No comments)
CT 523.2 Section B.3 Flexural Strength (Lab Test) 2026-11-25ActiveJoshua GallawayLab 1, Lab 2(No comments)
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2028-03-10ActiveDavid MedinaLab 1, Lab 2(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2028-03-10ActiveDavid MedinaLab 2(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2028-03-10ActiveDavid MedinaLab 2(No comments)
CT 382 AC Content by Ignition Oven 2018-10-18ExpiredAlex SotoudehnikLab 1, Lab 2(No comments)
CT 309 Max SpG and Density - HMA 2018-10-18ExpiredAlex SotoudehnikLab 1(No comments)
CT 308 Bulk SpG and Density - HMA 2018-10-18ExpiredAlex SotoudehnikLab 1, Lab 2(No comments)
CT 306 Reducing Samples of Asphalt Mixtures (JTCP - HMA I)2025-01-24ExpiredGabriela LopezLab 1, Lab 2(No comments)
CT 231 Relative Compaction - Nuclear Gage 2026-11-25ActiveJoshua GallawayLab 1, Lab 2(No comments)
CT 229 Durability (JTCP - S&A)2021-05-11ExpiredBiplab BhattacharyaLab 2(No comments)
CT 227 Cleanness Value (JTCP - S&A)2027-06-05ActiveBrian EllisLab 1, Lab 2(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2027-06-05ActiveBrian EllisLab 1, Lab 2(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2027-06-05ActiveBrian EllisLab 1, Lab 2(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2027-06-05ActiveBrian EllisLab 1, Lab 2(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2021-05-11ExpiredBiplab Bhattacharya(No lab)(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2027-06-05ActiveBrian EllisLab 1, Lab 2Did not participate in 2022 CSP CT 202. Please contact CSP@dot.ca.gov for reinstatement instructions.
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2027-06-05ActiveBrian EllisLab 1, Lab 2(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2025-01-24ExpiredGabriela LopezLab 1, Lab 2(No comments)
CT 125 CEM Sampling - CEM 2020-08-08ExpiredAlex SotoudehnikLab 1, Lab 2(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2025-01-24ExpiredGabriela LopezLab 1, Lab 2(No comments)
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2025-01-24ExpiredGabriela LopezLab 1, Lab 2(No comments)

AASHTO/ASTM Proficiencies

Total 15 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
AASHTO T335 Percentage of Fracture (JTCP - HMA I)2025-01-24ExpiredGabriela LopezLab 2(No comments)
AASHTO T329 Moisture Content (Oven Method) - HMA (JTCP - HMA I)2025-01-24ExpiredGabriela LopezLab 1, Lab 2(No comments)
AASHTO T30 Mechanical Analysis of Extracted Aggregate 2023-10-26ExpiredDavid Small(No lab)(No comments)
AASHTO T308 AC Content (Ignition Oven) - HMA (JTCP - HMA II)2027-06-26ActiveFirooz Ahmad HosainyLab 1, Lab 2(No comments)
AASHTO T27 Sieve Analysis - Fine and Coarse Aggregates (JTCP - HMA I)2025-01-24ExpiredGabriela LopezLab 1, Lab 2(No comments)
AASHTO T275 Bulk SpG - HMA (JTCP - HMA II)2027-06-26ActiveFirooz Ahmad HosainyLab 1, Lab 2(No comments)
AASHTO T269 Percent Air Voids - HMA (JTCP - HMA II)2027-06-26ActiveFirooz Ahmad HosainyLab 1, Lab 2(No comments)
AASHTO T255 Evaporable Moisture Content (JTCP - HMA I)2025-01-24ExpiredGabriela LopezLab 1, Lab 2(No comments)
AASHTO T248 Reducing Samples of Agg. (JTCP - HMA I)2025-01-24ExpiredGabriela Lopez(No lab)(No comments)
AASHTO T209 Max SpG and Density - HMA (JTCP - HMA II)2027-06-26ActiveFirooz Ahmad HosainyLab 1, Lab 2(No comments)
AASHTO T176 Sand Equivalent (JTCP - HMA I)2025-01-24ExpiredGabriela LopezLab 1, Lab 2(No comments)
AASHTO T166 Bulk SpG of Compacted HMA - SSD (JTCP - HMA II)2027-06-26ActiveFirooz Ahmad HosainyLab 1, Lab 2(No comments)
AASHTO T11 Sieve Analysis (Washing) - Fine Aggregates (JTCP - HMA I)2025-01-24ExpiredGabriela LopezLab 1, Lab 2(No comments)
AASHTO R76 Reducing Samples of Agg (JTCP - HMA I)2025-01-24ExpiredGabriela LopezLab 1, Lab 2(No comments)
AASHTO R47 Reducing Samples of HMA (JTCP - HMA I)2025-01-24ExpiredGabriela LopezLab 1, Lab 2(No comments)