SIAD: Certificates for John Villarraga
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Certificates for John Villarraga

Basic Information

First NameJohn
Last NameVillarraga
StatusActive

Associated Labs

Total 1 item.
Lab NameManager NameFull AddressDistrictPage Alias
GMU Geotechnical, IncorporatedMike Moscrop30336 Esperanza, Rancho Santa Margarita, CA 9268812Lab 1

Test Methods

California Test (CT) Certifications

Total 24 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2027-01-10ActiveFirooz Ahmad HosainyLab 1(No comments)
CT 106 Definitions - Specific Gravity (SpG) 2026-03-04ActiveAshley ShawLab 1(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2027-01-10ActiveFirooz Ahmad HosainyLab 1(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2027-01-10ActiveFirooz Ahmad HosainyLab 1(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2027-01-10ActiveFirooz Ahmad HosainyLab 1(No comments)
CT 204 LL, PL, PI 2026-03-04ActiveAshley ShawLab 1(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2027-01-10ActiveFirooz Ahmad HosainyLab 1(No comments)
CT 206 SpG & Absorption - Coarse Aggregates 2026-03-04ActiveAshley ShawLab 1(No comments)
CT 207 SpG & Absorption - Fine Aggregates 2026-03-04ActiveAshley ShawLab 1(No comments)
CT 209 SpG for Soil 2026-03-04ActiveAshley ShawLab 1(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2027-01-10ActiveFirooz Ahmad HosainyLab 1(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2027-01-10ActiveFirooz Ahmad HosainyLab 1(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2027-01-10ActiveFirooz Ahmad HosainyLab 1(No comments)
CT 227 Cleanness Value (JTCP - S&A)2027-01-10ActiveFirooz Ahmad HosainyLab 1(No comments)
CT 229 Durability (JTCP - S&A)2027-01-10ActiveFirooz Ahmad Hosainy(No lab)(No comments)
CT 234 Uncompacted void - Fine Aggregates 2026-06-26ActiveAshley ShawLab 1(No comments)
CT 235 Flat and Elongated Particles 2026-06-26ActiveAshley ShawLab 1(No comments)
CT 301 "R" Value 2026-03-04ActiveAshley ShawLab 1(No comments)
CT 304 Sample Preparation - HMA 2026-03-04ActiveAshley ShawLab 1(No comments)
CT 308 Bulk SpG and Density - HMA 2026-03-04ActiveAshley ShawLab 1(No comments)
CT 309 Max SpG and Density - HMA 2026-03-04ActiveAshley ShawLab 1(No comments)
CT 366 Stabilometer 2026-03-04ActiveAshley ShawLab 1(No comments)
CT 370 Moisture Content by Microwave 2026-03-04ActiveAshley ShawLab 1(No comments)
CT 382 AC Content by Ignition Oven 2026-03-04ActiveAshley ShawLab 1(No comments)

AASHTO/ASTM Proficiencies

Total 2 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
AASHTO T84 SpG & Absorption - Fine Aggregates 2026-03-04ActiveAshley ShawLab 1(No comments)
AASHTO T85 SpG & Absorption - Coarse Aggregates 2025-03-04ActiveAshley ShawLab 1(No comments)