Technician Information for Christopher Cha

First NameChristopher
Last NameCha
Technician ID04988

Associated Labs

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

Test Methods

California Test (CT) Certifications

Total 13 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 306 Reducing Samples of Asphalt Mixtures (JTCP - HMA I)2021-02-262024-02-26ExpiredSoroosh Amelian(No lab)(No comments)
CT 231 Relative Compaction - Nuclear Gage 2021-09-302022-09-30ExpiredMartiniano Ruiz(No lab)(No comments)
CT 229 Durability (JTCP - S&A)2021-03-052024-03-05ExpiredSoroosh Amelian(No lab)(No comments)
CT 227 Cleanness Value (JTCP - S&A)2021-03-052024-03-05ExpiredSoroosh Amelian(No lab)(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2021-03-052024-03-05ExpiredSoroosh Amelian(No lab)(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2021-03-052024-03-05ExpiredSoroosh Amelian(No lab)(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2021-03-052024-03-05ExpiredSoroosh Amelian(No lab)(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2021-03-052024-03-05ExpiredSoroosh Amelian(No lab)(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2021-03-052024-03-05ExpiredBenjamin Martinez(No lab)Did not participate in 2022 CSP CT 202. Please contact CSP@dot.ca.gov for reinstatement instructions.
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2021-03-052024-03-05ExpiredSoroosh Amelian(No lab)(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2021-02-262024-02-26ExpiredSoroosh Amelian(No lab)(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2021-02-262024-02-26ExpiredSoroosh Amelian(No lab)(No comments)
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2021-03-052024-03-05ExpiredSoroosh Amelian(No lab)(No comments)

AASHTO/ASTM Proficiencies

Total 10 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
AASHTO T85 SpG & Absorption - Coarse Aggregates 2021-10-012022-10-01ExpiredMartiniano Ruiz(No lab)(No comments)
AASHTO T335 Percentage of Fracture (JTCP - HMA I)2021-02-262024-02-26ExpiredSoroosh Amelian(No lab)(No comments)
AASHTO T329 Moisture Content (Oven Method) - HMA (JTCP - HMA I)2021-02-262024-02-26ExpiredSoroosh Amelian(No lab)(No comments)
AASHTO T27 Sieve Analysis - Fine and Coarse Aggregates (JTCP - HMA I)2021-02-262024-02-26ExpiredSoroosh Amelian(No lab)(No comments)
AASHTO T255 Evaporable Moisture Content (JTCP - HMA I)2021-02-262024-02-26ExpiredSoroosh Amelian(No lab)(No comments)
AASHTO T210 Aggregate Durability Index 2021-10-012022-10-01ExpiredMartiniano Ruiz(No lab)(No comments)
AASHTO T176 Sand Equivalent (JTCP - HMA I)2021-02-262024-02-26ExpiredSoroosh Amelian(No lab)(No comments)
AASHTO T11 Sieve Analysis (Washing) - Fine Aggregates (JTCP - HMA I)2021-02-262024-02-26ExpiredSoroosh Amelian(No lab)(No comments)
AASHTO R76 Reducing Samples of Agg (JTCP - HMA I)2021-02-262024-02-26ExpiredSoroosh Amelian(No lab)(No comments)
AASHTO R47 Reducing Samples of HMA (JTCP - HMA I)2021-02-262024-02-26ExpiredSoroosh Amelian(No lab)(No comments)