Tester Information for Derek Seibold

Basic Information

First NameDerek
Last NameSeibold
StatusActive

Associated Labs

Total 1 item.
Lab NameManager NameFull AddressDistrictPage Alias
ENGEO, IncorporatedDerek Seibold3420 Fostoria Way, Suite E, Danville, CA 945264Lab 1

Test Methods

California Test (CT) Certifications

Total 16 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 308 Bulk SpG and Density - HMA 2020-11-20ExpiredDavid SmallLab 1(No comments)
CT 309 Max SpG and Density - HMA 2020-11-20ExpiredDavid SmallLab 1(No comments)
CT 366 Stabilometer 2020-11-20ExpiredDavid SmallLab 1(No comments)
CT 643 Resistivity and pH Measurements 2021-05-07ExpiredDavid SmallLab 1(No comments)
CT 301 "R" Value 2023-01-27ActiveDavid SmallLab 1(No comments)
CT 106 Definitions - Specific Gravity (SpG) 2023-06-30ActiveDavid SmallLab 1(No comments)
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2024-04-30ActiveSarbjit GrewalLab 1(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2024-04-30ActiveSarbjit GrewalLab 1(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2024-04-30ActiveSarbjit GrewalLab 1(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2024-04-30ActiveSarbjit GrewalLab 1(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2024-04-30ActiveSarbjit GrewalLab 1(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2024-04-30ActiveSarbjit GrewalLab 1(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2024-04-30ActiveSarbjit GrewalLab 1(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2024-04-30ActiveSarbjit GrewalLab 1(No comments)
CT 227 Cleanness Value (JTCP - S&A)2024-04-30ActiveSarbjit GrewalLab 1(No comments)
CT 229 Durability (JTCP - S&A)2024-04-30ActiveSarbjit GrewalLab 1(No comments)

AASHTO/ASTM Proficiencies

Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
No results found.