SIAD: Certificates for Robert Yarbrough
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Certificates for Robert Yarbrough

Basic Information

First NameRobert
Last NameYarbrough
StatusActive

Associated Labs

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

Test Methods

California Test (CT) Certifications

Total 13 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2023-06-30ExpiredPedro Reyes(No lab)(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2018-05-05ExpiredPedro Reyes(No lab)(No comments)
CT 125 BIT Sampling - BITUMINOUS 2018-05-05ExpiredPedro Reyes(No lab)(No comments)
CT 125 GEN Sampling - GENERAL 2018-05-05ExpiredPedro Reyes(No lab)(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2018-05-05ExpiredPedro Reyes(No lab)(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2023-06-30ExpiredPedro Reyes(No lab)(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2018-05-05ExpiredPedro Reyes(No lab)(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2018-06-02ExpiredPedro Reyes(No lab)(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2018-05-05ExpiredPedro Reyes(No lab)(No comments)
CT 227 Cleanness Value (JTCP - S&A)2017-09-23ExpiredPedro Reyes(No lab)(No comments)
CT 229 Durability (JTCP - S&A)2017-07-28ExpiredPedro Reyes(No lab)(No comments)
CT 370 Moisture Content by Microwave 2017-07-28ExpiredPedro Reyes(No lab)(No comments)
CT 382 AC Content by Ignition Oven 2017-07-28ExpiredPedro Reyes(No lab)(No comments)

AASHTO/ASTM Proficiencies

Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
No results found.