Technician Information for Jan Krehbiel

First NameJan
Last NameKrehbiel
Technician ID02540

Associated Labs

Total 2 items.
Lab NameManager NameFull AddressDistrictPage Alias
Group DeltaJanice Krehbiel9245 Activity Road, San Diego, CA 9212611Lab 1
Group DeltaMichael Reader1320 Simpson Circle, Anaheim, CA 9286012Lab 2

Test Methods

California Test (CT) Certifications

Total 23 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2023-06-30ExpiredBrandt HouchenLab 1, Lab 2(No comments)
CT 106 Definitions - Specific Gravity (SpG) 2023-06-30ExpiredBrandt HouchenLab 1, Lab 2(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2023-06-30ExpiredBrandt HouchenLab 1, Lab 2(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2019-02-28ExpiredBrandt HouchenLab 1, Lab 2(No comments)
CT 204 LL, PL, PI 2019-08-25ExpiredRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 206 SpG & Absorption - Coarse Aggregates 2019-08-25ExpiredRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 207 SpG & Absorption - Fine Aggregates 2019-08-25ExpiredRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 211 LA Rattler 2017-08-25ExpiredRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2019-02-28ExpiredBrandt HouchenLab 1, Lab 2(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2019-02-28ExpiredBrandt HouchenLab 1, Lab 2(No comments)
CT 229 Durability (JTCP - S&A)2019-08-25ExpiredRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 301 "R" Value 2026-07-19ActiveRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 304 Sample Preparation - HMA 2026-07-19ActiveRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 308 Bulk SpG and Density - HMA 2026-07-19ActiveRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 309 Max SpG and Density - HMA 2026-07-19ActiveRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 366 Stabilometer 2026-07-19ActiveRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 370 Moisture Content by Microwave 2022-07-14ExpiredAfsaneh OstovarLab 1, Lab 2(No comments)
CT 382 AC Content by Ignition Oven 2026-07-19ActiveRoy(Chip) DennerLab 1, Lab 2(No comments)
CT 417 Test for Sulfate Content 2021-08-22ExpiredAfsaneh OstovarLab 1(No comments)
CT 422 Test for Chloride Content 2021-08-22ExpiredAfsaneh OstovarLab 1(No comments)
CT 521.1 Compressive Strength - PCC (ASTM C39 / C617) 2019-09-19ExpiredRoy(Chip) DennerLab 2 Created based on CT521 certificate ID40100
CT 521.2 Compressive Strength - PCC (ASTM C39 / C1231) 2019-09-19ExpiredRoy(Chip) DennerLab 2
Created based on CT521 certificate ID40100
CT 643 Resistivity and pH Measurements 2025-07-18ActiveRoy(Chip) DennerLab 1(No comments)

AASHTO/ASTM Proficiencies