Tester Information for Joshua Gumbish

Basic Information

First NameJoshua
Last NameGumbish
StatusActive

Associated Labs

Total 1 item.
Lab NameManager NameFull AddressDistrictPage Alias
GARCO Testing Laboratories: PleasantonHongbin Xie1544 Stanley Blvd, Pleasanton, CA 945664Lab 1

Test Methods

California Test (CT) Certifications

Total 6 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 375 AC Density by Nuclear Gage 2023-08-18ActiveDavid Small(No lab)(No comments)
CT 231 Relative Compaction - Nuclear Gage 2023-09-21ActiveDavid Small(No lab)(No comments)
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2025-05-13ActiveDalton LaBoskeyLab 1(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2025-05-13ActiveDalton LaBoskeyLab 1(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2025-05-13ActiveDalton LaBoskeyLab 1(No comments)
CT 306 Reducing Samples of Asphalt Mixtures (JTCP - HMA I)2025-05-13ActiveDalton LaBoskeyLab 1(No comments)

AASHTO/ASTM Proficiencies