Technician Information for Jeffrey Mckeehan

First NameJeffrey
Last NameMckeehan
Technician ID04407
Print Certificates

Associated Labs

Total 2 items.
Lab NameManager NameFull AddressDistrictPage Alias
CT D02 - Quincy Field LaboratoryAndrea Dawn Sloatermen1555 East Main Street, Quincy, CA 959712Lab 1
CT D03 - Chico Field LaboratoryBrad Mckeehan2707 Notre Dame Boulevard, Chico, CA 959283Lab 2

Test Methods

California Test (CT) Certifications

Total 23 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 521.2 Compressive Strength - PCC (ASTM C39 / C1231) 2024-11-08ActiveHusam Makhoul(No lab)
Created based on CT521 certificate ID86700
CT 521.1 Compressive Strength - PCC (ASTM C39 / C617) 2024-11-08ActiveHusam Makhoul(No lab) Created based on CT521 certificate ID86700
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2025-01-25ActiveDavid MedinaLab 2(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2025-01-25ActiveDavid MedinaLab 2(No comments)
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2025-01-25ActiveDavid MedinaLab 2(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2025-01-25ActiveDavid MedinaLab 2(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2025-01-25ActiveDavid MedinaLab 2(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2025-01-25ActiveDavid Medina(No lab)(No comments)
CT 556 Slump - PCC (JTCP - PCC)2025-01-25ActiveDavid MedinaLab 2(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2025-01-25ActiveDavid MedinaLab 2(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2025-12-09ActiveAvinash RallaLab 1, Lab 2(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2025-12-09ActiveAvinash RallaLab 1, Lab 2(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2025-12-09ActiveAvinash RallaLab 1(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2025-12-09ActiveAvinash RallaLab 1, Lab 2(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2025-12-09ActiveAvinash RallaLab 1, Lab 206/29/2022 Unsuspended for CSP participation . CSP suspension on 06/16/2022 for nonparticipation. Contact CSP@dot.ca.gov for unsuspension directions
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2025-12-09ActiveAvinash RallaLab 1, Lab 2(No comments)
CT 227 Cleanness Value (JTCP - S&A)2025-12-09ActiveAvinash RallaLab 1, Lab 2(No comments)
CT 229 Durability (JTCP - S&A)2025-12-09ActiveAvinash RallaLab 1, Lab 2(No comments)
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2026-04-21ActiveGabriela LopezLab 1, Lab 2(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2026-04-21ActiveGabriela LopezLab 1, Lab 2(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2026-04-21ActiveGabriela LopezLab 1, Lab 2(No comments)
CT 306 Reducing Samples of Asphalt Mixtures (JTCP - HMA I)2026-04-21ActiveGabriela LopezLab 1(No comments)
CT 231 Relative Compaction - Nuclear Gage 2026-08-13ActiveDarrell ValasekLab 1, Lab 2(No comments)

AASHTO/ASTM Proficiencies

Total 13 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
AASHTO T166 Bulk SpG of Compacted HMA - SSD (JTCP - HMA II)2024-11-18ActiveDalton LaBoskeyLab 1(No comments)
AASHTO T209 Max SpG and Density - HMA (JTCP - HMA II)2024-11-18ActiveDalton LaBoskeyLab 1, Lab 2(No comments)
AASHTO T269 Percent Air Voids - HMA (JTCP - HMA II)2024-11-18ActiveDalton LaBoskeyLab 1(No comments)
AASHTO T275 Bulk SpG - HMA (JTCP - HMA II)2024-11-18ActiveDalton LaBoskeyLab 1, Lab 2(No comments)
AASHTO T308 AC Content (Ignition Oven) - HMA (JTCP - HMA II)2024-11-18ActiveDalton LaBoskeyLab 1, Lab 2(No comments)
AASHTO T11 Sieve Analysis (Washing) - Fine Aggregates (JTCP - HMA I)2026-04-21ActiveGabriela LopezLab 1, Lab 2(No comments)
AASHTO T27 Sieve Analysis - Fine and Coarse Aggregates (JTCP - HMA I)2026-04-21ActiveGabriela LopezLab 1, Lab 2(No comments)
AASHTO R47 Reducing Samples of HMA (JTCP - HMA I)2026-04-21ActiveGabriela LopezLab 1, Lab 2(No comments)
AASHTO R76 Reducing Samples of Agg (JTCP - HMA I)2026-04-21ActiveGabriela LopezLab 1, Lab 2(No comments)
AASHTO T176 Sand Equivalent (JTCP - HMA I)2026-04-21ActiveGabriela LopezLab 1, Lab 2(No comments)
AASHTO T255 Evaporable Moisture Content (JTCP - HMA I)2026-04-21ActiveGabriela LopezLab 1, Lab 2(No comments)
AASHTO T329 Moisture Content (Oven Method) - HMA (JTCP - HMA I)2026-04-21ActiveGabriela LopezLab 1, Lab 2(No comments)
AASHTO T335 Percentage of Fracture (JTCP - HMA I)2026-04-21ActiveGabriela LopezLab 1(No comments)