Lab details for GARCO Testing Laboratories: Pleasanton

Basic Information

Lab NameGARCO Testing Laboratories: Pleasanton
Manager NameHongbin Xie
Lab Emailhongbin.xie@gcinc.com
Lab Telephone408-327-7057
Lab Fax
Lab Full Address1544 Stanley Blvd, Pleasanton, CA 94566
Zip94566
Lab TypePrivate
District4

RSP Information

1544 Stanley Blvd, Pleasanton, CA 94566

Test Methods

California Test (CT) Accreditations

AASHTO/ASTM Proficiencies

Total 17 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleTester Certified?
AASHTO T84: SpG & Absorption - Fine Aggregates2020-06-092021-06-09ExpiredEd GamboaYes
AASHTO T85: SpG & Absorption - Coarse Aggregates2020-06-092021-06-09ExpiredEd GamboaYes
AASHTO T275: Bulk SpG - HMA (JTCP)2020-06-092021-06-09ExpiredEd GamboaYes
AASHTO T304: Uncompacted Void - Fine Aggregate2020-06-092021-06-09ExpiredEd GamboaYes
AASHTO T335: Percentage of Fracture (JTCP)2020-06-092021-06-09ExpiredEd GamboaYes
AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP)2021-07-262022-07-26ActiveHusam MakhoulYes
AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP)2021-07-262022-07-26ActiveHusam MakhoulYes
AASHTO R47: Reducing Samples of HMA (JTCP)2021-07-262022-07-26ActiveHusam MakhoulYes
AASHTO R76: Reducing Samples of Agg (JTCP)2021-07-262022-07-26ActiveHusam MakhoulYes
AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP)2021-07-262022-07-26ActiveHusam MakhoulYes
AASHTO T176: Sand Equivalent (JTCP)2021-07-262022-07-26ActiveHusam MakhoulYes
AASHTO T209: Max SpG and Density - HMA (JTCP)2021-07-262022-07-26ActiveHusam MakhoulYes
AASHTO T210: Aggregate Durability Index2021-07-262022-07-26ActiveHusam MakhoulNo
AASHTO T255: Evaporable Moisture Content (JTCP)2021-07-262022-07-26ActiveHusam MakhoulYes
AASHTO T269: Percent Air Voids - HMA (JTCP)2021-07-262022-07-26ActiveHusam MakhoulYes
AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP)2021-07-262022-07-26ActiveHusam MakhoulYes
AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP)2021-07-262022-07-26ActiveHusam MakhoulYes

Testers in the Lab

Tester Summary

Total 4 items.
First NameLast NameActions
StevenDerpich View
DanielStewart View
GwynnNeilson View
JoshuaGumbish View

Tester Details

Details for Steven Derpich

First NameSteven
Last NameDerpich
StatusActive
Total 27 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2021-04-052024-04-05ActiveSarbjit GrewalYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2021-04-052024-04-05ActiveSarbjit GrewalYes
CT 125 HMA: Sampling - HMA (JTCP)2021-04-052024-04-05ActiveSarbjit GrewalYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2021-05-052024-05-05ActiveSoroosh AmelianYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2021-05-052024-05-05ActiveSoroosh AmelianYes
CT 205: Percent Crushed Particles (JTCP)2021-05-052024-05-05ActiveSoroosh AmelianNo
CT 206: SpG & Absorption - Coarse Aggregates2020-08-262022-08-26ActiveDavid SmallNo
CT 207: SpG & Absorption - Fine Aggregates2020-08-262022-08-26ActiveDavid SmallNo
CT 208: Apparent SpG - Fine Aggregates2021-06-302023-06-30ActiveDavid SmallNo
CT 211: LA Rattler2020-08-262022-08-26ActiveDavid SmallNo
CT 212: Unit Weight of Aggregates2020-08-262022-08-26ActiveDavid SmallNo
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2021-05-052024-05-05ActiveSoroosh AmelianNo
CT 217: Sand Equivalent (JTCP)2021-05-052024-05-05ActiveSoroosh AmelianYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2021-05-052024-05-05ActiveSoroosh AmelianNo
CT 227: Cleanness Value (JTCP)2021-05-052024-05-05ActiveSoroosh AmelianYes
CT 229: Durability (JTCP)2021-05-052024-05-05ActiveSoroosh AmelianYes
CT 231: Relative Compaction - Nuclear Gage2020-08-262022-08-26ActiveDavid SmallNo
CT 301: "R" Value2021-06-302023-06-30ActiveDavid SmallNo
CT 304: Sample Preparation - HMA2021-06-302023-06-30ActiveDavid SmallNo
CT 306: Reducing Samples of Asphalt Mixtures (JTCP)2021-04-052024-04-05ActiveSarbjit GrewalYes
CT 308: Bulk SpG and Density - HMA2021-06-302023-06-30ActiveDavid SmallYes
CT 309: Max SpG and Density - HMA2021-06-302023-06-30ActiveDavid SmallYes
CT 366: Stabilometer2021-06-302023-06-30ActiveDavid SmallNo
CT 370: Moisture Content by Microwave2021-06-302023-06-30ActiveDavid SmallYes
CT 371: Moisture Induced Damage (TSR)2021-06-302023-06-30ActiveDavid SmallNo
CT 375: AC Density by Nuclear Gage2020-08-262022-08-26ActiveDavid SmallNo
CT 382: AC Content by Ignition Oven2021-06-302023-06-30ActiveDavid SmallYes
Total 21 items.
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP)2021-04-052024-04-05ActiveSarbjit GrewalYes
AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP)2021-04-052024-04-05ActiveSarbjit GrewalYes
AASHTO R47: Reducing Samples of HMA (JTCP)2021-04-052024-04-05ActiveSarbjit GrewalYes
AASHTO R76: Reducing Samples of Agg (JTCP)2021-04-052024-04-05ActiveSarbjit GrewalYes
AASHTO T84: SpG & Absorption - Fine Aggregates2021-07-302023-07-30ActiveDavid SmallYes
AASHTO T85: SpG & Absorption - Coarse Aggregates2021-07-302023-07-30ActiveDavid SmallYes
AASHTO T96: L.A. Rattler2021-06-302023-06-30ActiveDavid SmallNo
AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP)2021-04-162024-04-16ActiveSarbjit GrewalYes
AASHTO T176: Sand Equivalent (JTCP)2021-04-052024-04-05ActiveSarbjit GrewalYes
AASHTO T209: Max SpG and Density - HMA (JTCP)2021-04-162024-04-16ActiveSarbjit GrewalYes
AASHTO T248: Reducing Samples of Agg. (JTCP)2018-04-062021-04-06ExpiredBiplab BhattacharyaNo
AASHTO T255: Evaporable Moisture Content (JTCP)2021-04-052024-04-05ActiveSarbjit GrewalYes
AASHTO T269: Percent Air Voids - HMA (JTCP)2021-04-162024-04-16ActiveSarbjit GrewalYes
AASHTO T275: Bulk SpG - HMA (JTCP)2021-04-162024-04-16ActiveSarbjit GrewalYes
AASHTO T283: Moisture Induced Damage (TSR)2020-08-262022-08-26ActivePaula Kindinger-WilcoxNo
AASHTO T304: Uncompacted Void - Fine Aggregate2021-06-302023-06-30ActiveJeff RushYes
AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP)2021-04-162024-04-16ActiveSarbjit GrewalYes
AASHTO T312: Gyratory Compactor2020-08-262022-08-26ActivePaula Kindinger-WilcoxNo
AASHTO T324: Hamburg Wheel-Track2020-08-262022-08-26ActivePaula Kindinger-WilcoxNo
AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP)2021-04-052024-04-05ActiveSarbjit GrewalYes
AASHTO T335: Percentage of Fracture (JTCP)2021-04-052024-04-05ActiveSarbjit GrewalYes

Details for Daniel Stewart

First NameDaniel
Last NameStewart
StatusActive
Total 18 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2019-01-112022-01-11ExpiredBiplab BhattacharyaYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2019-01-112022-01-11ExpiredBiplab BhattacharyaYes
CT 125 HMA: Sampling - HMA (JTCP)2019-01-112022-01-11ExpiredBiplab BhattacharyaYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2016-03-302023-06-30ActiveJeff RushYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2016-03-302018-03-30ExpiredJeff RushYes
CT 206: SpG & Absorption - Coarse Aggregates2016-03-302018-03-30ExpiredJeff RushNo
CT 207: SpG & Absorption - Fine Aggregates2016-03-302018-03-30ExpiredJeff RushNo
CT 211: LA Rattler2016-03-302018-03-30ExpiredJeff RushNo
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2018-02-082019-02-08ExpiredJeff RushNo
CT 217: Sand Equivalent (JTCP)2016-03-302018-03-30ExpiredJeff RushYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2016-03-302018-03-30ExpiredJeff RushNo
CT 227: Cleanness Value (JTCP)2016-03-302018-03-30ExpiredJeff RushYes
CT 229: Durability (JTCP)2016-03-302018-03-30ExpiredJeff RushYes
CT 231: Relative Compaction - Nuclear Gage2019-04-172021-04-17ExpiredJeff RushNo
CT 308: Bulk SpG and Density - HMA2016-03-302018-03-30ExpiredJeff RushYes
CT 309: Max SpG and Density - HMA2016-03-302018-03-30ExpiredJeff RushYes
CT 375: AC Density by Nuclear Gage2019-04-172021-04-17ExpiredJeff RushNo
CT 382: AC Content by Ignition Oven2016-03-302018-03-30ExpiredJeff RushYes
Total 15 items.
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP)2019-01-112022-01-11ExpiredJeff RushYes
AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP)2019-01-112022-01-11ExpiredJeff RushYes
AASHTO R47: Reducing Samples of HMA (JTCP)2019-01-112022-01-11ExpiredBiplab BhattacharyaYes
AASHTO R76: Reducing Samples of Agg (JTCP)2019-01-112022-01-11ExpiredBiplab BhattacharyaYes
AASHTO T84: SpG & Absorption - Fine Aggregates2016-03-302017-03-30ExpiredJeff RushYes
AASHTO T85: SpG & Absorption - Coarse Aggregates2016-03-302017-03-30ExpiredJeff RushYes
AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP)2019-01-242022-01-24ExpiredBiplab BhattacharyaYes
AASHTO T176: Sand Equivalent (JTCP)2019-01-112022-01-11ExpiredJeff RushYes
AASHTO T209: Max SpG and Density - HMA (JTCP)2019-01-242022-01-24ExpiredJeff RushYes
AASHTO T255: Evaporable Moisture Content (JTCP)2019-01-112022-01-11ExpiredBiplab BhattacharyaYes
AASHTO T269: Percent Air Voids - HMA (JTCP)2019-01-242022-01-24ExpiredBiplab BhattacharyaYes
AASHTO T275: Bulk SpG - HMA (JTCP)2019-01-242022-01-24ExpiredJeff RushYes
AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP)2019-01-242022-01-24ExpiredJeff RushYes
AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP)2019-01-112022-01-11ExpiredJeff RushYes
AASHTO T335: Percentage of Fracture (JTCP)2019-01-112022-01-11ExpiredBiplab BhattacharyaYes

Details for Gwynn Neilson

First NameGwynn
Last NameNeilson
StatusActive
Total 4 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2022-03-182025-03-18ActiveAvinash RallaYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2022-03-182025-03-18ActiveAvinash RallaYes
CT 125 HMA: Sampling - HMA (JTCP)2022-03-182025-03-18ActiveAvinash RallaYes
CT 306: Reducing Samples of Asphalt Mixtures (JTCP)2022-03-182025-03-18ActiveAvinash RallaYes
Total 20 items.
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP)2022-03-182025-03-18ActiveAvinash RallaYes
AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP)2022-03-182025-03-18ActiveAvinash RallaYes
AASHTO R47: Reducing Samples of HMA (JTCP)2022-03-182025-03-18ActiveAvinash RallaYes
AASHTO R76: Reducing Samples of Agg (JTCP)2022-03-182025-03-18ActiveAvinash RallaYes
AASHTO T84: SpG & Absorption - Fine Aggregates2021-06-302023-06-30ActiveDavid SmallYes
AASHTO T85: SpG & Absorption - Coarse Aggregates2021-06-302023-06-30ActiveDavid SmallYes
AASHTO T96: L.A. Rattler2021-09-212023-09-21ActiveDavid SmallNo
AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP)2020-02-202023-02-20ActiveSarbjit GrewalYes
AASHTO T176: Sand Equivalent (JTCP)2022-03-182025-03-18ActiveAvinash RallaYes
AASHTO T209: Max SpG and Density - HMA (JTCP)2020-02-202023-02-20ActiveSarbjit GrewalYes
AASHTO T255: Evaporable Moisture Content (JTCP)2022-03-182025-03-18ActiveAvinash RallaYes
AASHTO T269: Percent Air Voids - HMA (JTCP)2020-02-202023-02-20ActivePaula Kindinger-WilcoxYes
AASHTO T275: Bulk SpG - HMA (JTCP)2020-02-202023-02-20ActiveSarbjit GrewalYes
AASHTO T283: Moisture Induced Damage (TSR)2021-06-302023-06-30ActiveDavid SmallNo
AASHTO T304: Uncompacted Void - Fine Aggregate2021-09-212023-09-21ActiveDavid SmallYes
AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP)2020-02-202023-02-20ActiveSarbjit GrewalYes
AASHTO T312: Gyratory Compactor2021-06-302023-06-30ActiveDavid SmallNo
AASHTO T324: Hamburg Wheel-Track2021-06-302023-06-30ActiveDavid SmallNo
AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP)2022-03-182025-03-18ActiveAvinash RallaYes
AASHTO T335: Percentage of Fracture (JTCP)2022-03-182025-03-18ActiveAvinash RallaYes

Details for Joshua Gumbish

First NameJoshua
Last NameGumbish
StatusActive
Total 5 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2019-06-142022-06-14ActiveShaya MeisamifardYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2019-06-142022-06-14ActiveShaya MeisamifardYes
CT 125 HMA: Sampling - HMA (JTCP)2019-06-142022-06-14ActiveShaya MeisamifardYes
CT 231: Relative Compaction - Nuclear Gage2021-09-212023-09-21ActiveDavid SmallNo
CT 375: AC Density by Nuclear Gage2021-08-182023-08-18ActiveDavid SmallNo
Total 13 items.
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP)2019-06-142022-06-14ActiveShaya MeisamifardYes
AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP)2019-06-142022-06-14ActiveShaya MeisamifardYes
AASHTO R47: Reducing Samples of HMA (JTCP)2019-06-142022-06-14ActiveShaya MeisamifardYes
AASHTO R76: Reducing Samples of Agg (JTCP)2019-06-142022-06-14ActiveShaya MeisamifardYes
AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP)2021-12-022024-12-02ActiveSoroosh AmelianYes
AASHTO T176: Sand Equivalent (JTCP)2019-06-142022-06-14ActiveShaya MeisamifardYes
AASHTO T209: Max SpG and Density - HMA (JTCP)2021-12-022024-12-02ActiveSoroosh AmelianYes
AASHTO T255: Evaporable Moisture Content (JTCP)2019-06-142022-06-14ActiveShaya MeisamifardYes
AASHTO T269: Percent Air Voids - HMA (JTCP)2021-12-022024-12-02ActiveSoroosh AmelianYes
AASHTO T275: Bulk SpG - HMA (JTCP)2021-12-022024-12-02ActiveSoroosh AmelianYes
AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP)2021-12-022024-12-02ActiveSoroosh AmelianYes
AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP)2019-06-142022-06-14ActiveShaya MeisamifardYes
AASHTO T335: Percentage of Fracture (JTCP)2019-06-142022-06-14ActiveShaya MeisamifardYes