Technician Information for John Cromer

First NameJohn
Last NameCromer
Technician ID01723

Associated Labs

Total 1 item.
Lab NameManager NameFull AddressDistrictPage Alias
Geo-Advantec, IncorporatedJohn R. Cromer457 West Allen Avenue, Suite 113, San Dimas, CA 917737Lab 1

Test Methods

California Test (CT) Certifications

Total 35 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2024-12-17ActiveSarbjit GrewalLab 1(No comments)
CT 106 Definitions - Specific Gravity (SpG) 2025-06-09ActiveRabiul HyderLab 1(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2024-12-17ActiveSarbjit GrewalLab 1(No comments)
CT 125 CEM Sampling - CEM 2019-05-11ExpiredSeree Yenjai(No lab)(No comments)
CT 125 GEN Sampling - GENERAL 2026-06-09ActiveRabiul HyderLab 1IA130 Changed to 20210521 in order to obtain 3 years Certs
CT 125 HMA Sampling - HMA 2026-06-09ActiveRabiul Hyder(No lab)(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2023-05-21ExpiredShaya MeisamifardLab 1IA130 Changed to 20200521 in order to obtain 3 years Cert
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2024-12-17ActiveSarbjit GrewalLab 1(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2024-12-17ActiveSarbjit GrewalLab 1(No comments)
CT 204 LL, PL, PI 2025-06-09ActiveRabiul HyderLab 1(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2024-12-17ActiveSarbjit GrewalLab 1(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2024-12-17ActiveSarbjit GrewalLab 1(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2024-12-17ActiveSarbjit GrewalLab 1(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2024-12-17ActiveSarbjit GrewalLab 1(No comments)
CT 227 Cleanness Value (JTCP - S&A)2024-12-17ActiveSarbjit GrewalLab 1(No comments)
CT 229 Durability (JTCP - S&A)2024-12-17ActiveSarbjit GrewalLab 1(No comments)
CT 231 Relative Compaction - Nuclear Gage 2023-09-07ExpiredMajid FahrtoshLab 1(No comments)
CT 308 Bulk SpG and Density - HMA 2025-06-09ActiveRabiul HyderLab 1(No comments)
CT 309 Max SpG and Density - HMA 2024-09-15ActiveMajid FahrtoshLab 1(No comments)
CT 375 AC Density by Nuclear Gage 2024-09-15ActiveMajid FahrtoshLab 1(No comments)
CT 382 AC Content by Ignition Oven 2024-09-15ActiveMajid FahrtoshLab 1(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2029-03-15ActiveBrian EllisLab 1(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2029-03-15ActiveBrian EllisLab 1(No comments)
CT 521.1 Compressive Strength - PCC (ASTM C39 / C617) 2025-06-09ActiveSeree YenjaiLab 1 Created based on CT521 certificate ID22988
CT 521.2 Compressive Strength - PCC (ASTM C39 / C1231) 2025-06-09ActiveSeree YenjaiLab 1
Created based on CT521 certificate ID22988
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2029-03-15ActiveBrian EllisLab 1Date modified to make this test expire with ACI tests. IA 68
CT 523.2 Section B.3 Flexural Strength (Lab Test) 2023-09-07ExpiredMajid FahrtoshLab 1(No comments)
CT 524 Flexural Strength of Rapid Strength - PCC 2023-09-07ExpiredMajid FahrtoshLab 1(No comments)
CT 533 Ball Penetration - PCC 2023-09-07ExpiredMajid FahrtoshLab 1(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2029-03-15ActiveBrian EllisLab 1(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2029-03-15ActiveBrian EllisLab 1(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2029-03-15ActiveBrian EllisLab 1(No comments)
CT 556 Slump - PCC (JTCP - PCC)2029-03-15ActiveBrian EllisLab 1(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2029-03-15ActiveBrian EllisLab 1(No comments)
CT 643 Resistivity and pH Measurements 2024-09-15ActiveMajid FahrtoshLab 1(No comments)

AASHTO/ASTM Proficiencies