Technician Information for Barron Colchagoff

First NameBarron
Last NameColchagoff
Technician ID02557

Associated Labs

Lab NameLab Lab Manager NameFull AddressLab Lab DistrictPage Alias
No results found.

Test Methods

California Test (CT) Certifications

Total 19 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2015-08-262018-08-26ExpiredRobby Rodriguez(No lab)(No comments)
CT 106 Definitions - Specific Gravity (SpG) 2015-08-262017-08-26ExpiredRobby Rodriguez(No lab)(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2015-08-262018-08-26ExpiredRobby Rodriguez(No lab)(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2015-08-262017-08-26ExpiredRoy(Chip) Denner(No lab)(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2016-04-212017-04-21ExpiredRoy(Chip) Denner(No lab)(No comments)
CT 206 SpG & Absorption - Coarse Aggregates 2016-04-212017-04-21ExpiredRoy(Chip) Denner(No lab)(No comments)
CT 207 SpG & Absorption - Fine Aggregates 2016-04-212017-04-21ExpiredRoy(Chip) Denner(No lab)(No comments)
CT 212 Unit Weight of Aggregates 2015-09-022017-09-02ExpiredRoy(Chip) Denner(No lab)(No comments)
CT 213 Organic Impurities of PCC sand 2015-04-212017-04-21ExpiredRoy(Chip) Denner(No lab)(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2015-08-262017-08-26ExpiredRoy(Chip) Denner(No lab)(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2015-09-022017-09-02ExpiredRoy(Chip) Denner(No lab)(No comments)
CT 227 Cleanness Value (JTCP - S&A)2015-08-262017-08-26ExpiredRoy(Chip) Denner(No lab)(No comments)
CT 229 Durability (JTCP - S&A)2015-04-212017-04-21ExpiredRoy(Chip) Denner(No lab)(No comments)
CT 234 Uncompacted void - Fine Aggregates 2016-02-292018-02-28ExpiredRoy(Chip) Denner(No lab)(No comments)
CT 235 Flat and Elongated Particles 2016-02-292018-02-28ExpiredRoy(Chip) Denner(No lab)(No comments)
CT 308 Bulk SpG and Density - HMA 2015-07-142017-07-14ExpiredRoy(Chip) Denner(No lab)(No comments)
CT 370 Moisture Content by Microwave 2015-04-212017-04-21ExpiredRoy(Chip) Denner(No lab)(No comments)
CT 521.1 Compressive Strength - PCC (ASTM C39 / C617) 2015-07-142017-07-14ExpiredRoy(Chip) Denner(No lab) Created based on CT521 certificate ID34928
CT 521.2 Compressive Strength - PCC (ASTM C39 / C1231) 2015-07-142017-07-14ExpiredRoy(Chip) Denner(No lab)
Created based on CT521 certificate ID34928

AASHTO/ASTM Proficiencies