SIAD: Certificates for Ronald Chairez
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Certificates for Ronald Chairez

Basic Information

First NameRonald
Last NameChairez
StatusActive

Associated Labs

Total 1 item.
Lab NameManager NameFull AddressDistrictPage Alias
Sequoia Consultants, IncorporatedRuben Jimenez361 West Grove Avenue, Orange, CA 9286512Lab 1

Test Methods

California Test (CT) Certifications

Total 9 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 125 AGG Sampling - AGGREGATES 2027-04-09ActiveAshley ShawLab 1Date adjusted to make a three year cert IA 68.
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2026-05-14ActiveDalton LaBoskeyLab 1(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2026-05-14ActiveDalton LaBoskeyLab 1(No comments)
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2026-05-14ActiveDalton LaBoskeyLab 1(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2026-05-14ActiveDalton LaBoskeyLab 1(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2026-05-14ActiveDalton LaBoskeyLab 1(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2026-05-14ActiveDalton LaBoskeyLab 1(No comments)
CT 556 Slump - PCC (JTCP - PCC)2026-05-14ActiveDalton LaBoskeyLab 1(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2026-05-14ActiveDalton LaBoskeyLab 1(No comments)

AASHTO/ASTM Proficiencies

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