Tester Information for Thanh Ngo

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First NameThanh
Last NameNgo
StatusActive
Print Certificates

Associated Labs

Total 2 items.
Lab NameManager NameFull AddressDistrictPage Alias
Graniterock - Redwood CityDouglas Lemon365 Blomquist Street, Redwood City, CA 940634Lab 1
Graniterock - South San FranciscoDouglas Lemon1321 Lowrie Avenue, South San Francisco, CA 950044Lab 2

Test Methods

California Test (CT) Certifications

Total 10 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2018-07-28ExpiredEd GamboaLab 1, Lab 2(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2018-07-28ExpiredEd GamboaLab 1, Lab 2(No comments)
CT 308 Bulk SpG and Density - HMA 2018-07-28ExpiredEd GamboaLab 1, Lab 2(No comments)
CT 309 Max SpG and Density - HMA 2018-07-28ExpiredEd GamboaLab 1, Lab 2(No comments)
CT 375 AC Density by Nuclear Gage 2022-02-12ExpiredDavid SmallLab 1, Lab 2(No comments)
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2022-08-16ExpiredShaya MeisamifardLab 1, Lab 2(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2022-08-16ExpiredShaya MeisamifardLab 1, Lab 2(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2022-08-16ExpiredShaya MeisamifardLab 1, Lab 2(No comments)
CT 106 Definitions - Specific Gravity (SpG) 2023-06-30ExpiredEd GamboaLab 1, Lab 2(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2023-06-30ExpiredEd GamboaLab 1, Lab 2(No comments)

AASHTO/ASTM Proficiencies

Total 14 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
AASHTO T312 Gyratory Compactor 2022-02-12ExpiredDavid SmallLab 1(No comments)
AASHTO T166 Bulk SpG of Compacted HMA - SSD (JTCP - HMA II)2022-08-08ExpiredShaya MeisamifardLab 1, Lab 2(No comments)
AASHTO T209 Max SpG and Density - HMA (JTCP - HMA II)2022-08-08ExpiredShaya MeisamifardLab 1, Lab 2(No comments)
AASHTO T269 Percent Air Voids - HMA (JTCP - HMA II)2022-08-08ExpiredShaya MeisamifardLab 1, Lab 2(No comments)
AASHTO T275 Bulk SpG - HMA (JTCP - HMA II)2022-08-08ExpiredShaya MeisamifardLab 1, Lab 2(No comments)
AASHTO T308 AC Content (Ignition Oven) - HMA (JTCP - HMA II)2022-08-08ExpiredShaya MeisamifardLab 1, Lab 2(No comments)
AASHTO T11 Sieve Analysis (Washing) - Fine Aggregates (JTCP - HMA I)2022-08-16ExpiredShaya MeisamifardLab 1, Lab 2(No comments)
AASHTO T27 Sieve Analysis - Fine and Coarse Aggregates (JTCP - HMA I)2022-08-16ExpiredShaya MeisamifardLab 1, Lab 2(No comments)
AASHTO R47 Reducing Samples of HMA (JTCP - HMA I)2022-08-16ExpiredShaya MeisamifardLab 1, Lab 2(No comments)
AASHTO R76 Reducing Samples of Agg (JTCP - HMA I)2022-08-16ExpiredShaya MeisamifardLab 1, Lab 2(No comments)
AASHTO T176 Sand Equivalent (JTCP - HMA I)2022-08-16ExpiredShaya MeisamifardLab 1, Lab 2(No comments)
AASHTO T255 Evaporable Moisture Content (JTCP - HMA I)2022-08-16ExpiredShaya MeisamifardLab 1, Lab 2(No comments)
AASHTO T329 Moisture Content (Oven Method) - HMA (JTCP - HMA I)2022-08-16ExpiredShaya MeisamifardLab 1(No comments)
AASHTO T335 Percentage of Fracture (JTCP - HMA I)2022-08-16ExpiredShaya MeisamifardLab 1, Lab 2(No comments)