Technician Information for John Chang

First NameJohn
Last NameChang
Technician ID01247

Associated Labs

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

Test Methods

California Test (CT) Certifications

Total 14 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2015-05-282018-05-28ExpiredRobby Rodriguez(No lab)(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2019-03-222022-03-22ExpiredAfsaneh Ostovar(No lab)(No comments)
CT 125 CEM Sampling - CEM 2019-03-222021-03-22ExpiredAfsaneh Ostovar(No lab)(No comments)
CT 125 GEN Sampling - GENERAL 2019-03-222021-03-22ExpiredAfsaneh Ostovar(No lab)(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2019-03-222022-03-22ExpiredAfsaneh Ostovar(No lab)(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2017-05-112019-05-11ExpiredAfsaneh Ostovar(No lab)(No comments)
CT 231 Relative Compaction - Nuclear Gage 2019-03-222021-03-22ExpiredAfsaneh Ostovar(No lab)(No comments)
CT 304 Sample Preparation - HMA 2019-03-222021-03-22ExpiredAfsaneh Ostovar(No lab)(No comments)
CT 308 Bulk SpG and Density - HMA 2019-03-222021-03-22ExpiredAfsaneh Ostovar(No lab)(No comments)
CT 366 Stabilometer 2019-03-222021-03-22ExpiredAfsaneh Ostovar(No lab)(No comments)
CT 382 AC Content by Ignition Oven 2019-03-222021-03-22ExpiredAfsaneh Ostovar(No lab)(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2017-05-112019-05-11ExpiredAfsaneh Ostovar(No lab)(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2017-05-112019-05-11ExpiredAfsaneh Ostovar(No lab)(No comments)
CT 556 Slump - PCC (JTCP - PCC)2017-05-112019-05-11ExpiredAfsaneh Ostovar(No lab)(No comments)

AASHTO/ASTM Proficiencies