Lab details for ENGEO, Inc.

Basic Information

Lab NameENGEO, Inc.
Manager NameDerek Seibold
Lab Emaildseibold@engeo.com
Lab Telephone925-355-9047
Lab Fax
Lab Full Address3420 Fostoria Way Suite E, Danville, CA 94526
Zip94526
Lab TypePrivate
District4

RSP Information

3420 Fostoria Way Suite E, Danville, CA 94526

Test Methods

California Test (CT) Accreditations

Total 34 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleTester Certified?
CT 105: Calculations - Gradings (JTCP)2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 106: Definitions - Specific Gravity (SpG)2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 125 AGG: Sampling - AGGREGATES2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 125 BIT: Sampling - BITUMINOUS2021-12-152022-12-15ActiveIgnocencio HerreraNo
CT 125 GEN: Sampling - GENERAL2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 125 HMA: Sampling - HMA2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 125 HMA: Sampling - HMA (JTCP)2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 205: Percent Crushed Particles (JTCP)2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 217: Sand Equivalent (JTCP)2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 227: Cleanness Value (JTCP)2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 229: Durability (JTCP)2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 231: Relative Compaction - Nuclear Gage2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 301: "R" Value2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 304: Sample Preparation - HMA2021-01-132022-01-13ExpiredIgnocencio HerreraYes
CT 308: Bulk SpG and Density - HMA2021-01-132022-01-13ExpiredIgnocencio HerreraYes
CT 309: Max SpG and Density - HMA2021-01-132022-01-13ExpiredIgnocencio HerreraYes
CT 366: Stabilometer2021-01-192022-01-19ExpiredIgnocencio HerreraYes
CT 375: AC Density by Nuclear Gage2021-01-132022-01-13ExpiredIgnocencio HerreraYes
CT 382: AC Content by Ignition Oven2021-01-132022-01-13ExpiredIgnocencio HerreraYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 518: Unit Weight - PCC (JTCP)2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 521: Compressive Strength - PCC2021-12-152022-12-15ActiveIgnocencio HerreraNo
CT 533: Ball Penetration - PCC2021-12-152022-12-15ActiveIgnocencio HerreraNo
CT 539: Sampling Fresh Concrete (JTCP)2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 540: Making Cylinders - PCC (JTCP)2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 556: Slump - PCC (JTCP)2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 557: Temperature - PCC (JTCP)2021-12-152022-12-15ActiveIgnocencio HerreraYes
CT 643: Resistivity and pH Measurements2020-01-152021-01-15ExpiredDavid SmallNo

AASHTO/ASTM Proficiencies

Test MethodObtained DateExpiration DateStatusIA ResponsibleTester Certified?
No results found.

Testers in the Lab

Tester Summary

Total 13 items.
First NameLast NameActions
RalphTan View
GregHudson View
NicholasMoriarty View
SethDilles View
DerekSeibold View
DonnyBryant View
MichaelTan View
DerekSchikora View
ChristopherStouffer View
JonathanRohan View
AnthonyChandler View
WilliamMiller View
VictorRamirez View

Tester Details

Details for Ralph Tan

First NameRalph
Last NameTan
StatusActive
Total 12 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES (JTCP)2021-11-052024-11-05ActiveIgnocencio HerreraYes
CT 125 GEN: Sampling - GENERAL2021-11-052023-11-05ActiveIgnocencio HerreraYes
CT 125 HMA: Sampling - HMA (JTCP)2021-11-052024-11-05ActiveIgnocencio HerreraYes
CT 231: Relative Compaction - Nuclear Gage2021-11-052023-11-05ActiveIgnocencio HerreraYes
CT 375: AC Density by Nuclear Gage2021-11-052023-11-05ActiveIgnocencio HerreraYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2019-01-192024-01-19ActiveRichard HibbardYes
CT 518: Unit Weight - PCC (JTCP)2019-01-192024-01-19ActiveRichard HibbardYes
CT 539: Sampling Fresh Concrete (JTCP)2019-01-192024-01-19ActiveRichard HibbardYes
CT 540: Making Cylinders - PCC (JTCP)2019-01-192024-01-19ActiveRichard HibbardYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2019-01-192024-01-19ActiveRichard HibbardYes
CT 556: Slump - PCC (JTCP)2019-01-192024-01-19ActiveRichard HibbardYes
CT 557: Temperature - PCC (JTCP)2019-01-192024-01-19ActiveRichard HibbardYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Greg Hudson

First NameGreg
Last NameHudson
StatusActive
Total 7 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 504: Air Content of PCC - Pressure Method (JTCP)2015-08-292020-08-29ExpiredRichard HibbardYes
CT 518: Unit Weight - PCC (JTCP)2015-08-292020-08-29ExpiredRichard HibbardYes
CT 539: Sampling Fresh Concrete (JTCP)2015-08-292020-08-29ExpiredRichard HibbardYes
CT 540: Making Cylinders - PCC (JTCP)2015-08-292020-08-29ExpiredRichard HibbardYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2015-08-292020-08-29ExpiredRichard HibbardYes
CT 556: Slump - PCC (JTCP)2015-08-292020-08-29ExpiredRichard HibbardYes
CT 557: Temperature - PCC (JTCP)2015-08-292020-08-29ExpiredRichard HibbardYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Nicholas Moriarty

First NameNicholas
Last NameMoriarty
StatusActive
Total 7 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 504: Air Content of PCC - Pressure Method (JTCP)2017-10-282022-10-28ActiveRichard HibbardYes
CT 518: Unit Weight - PCC (JTCP)2017-10-282022-10-28ActiveRichard HibbardYes
CT 539: Sampling Fresh Concrete (JTCP)2017-10-282022-10-28ActiveRichard HibbardYes
CT 540: Making Cylinders - PCC (JTCP)2017-10-282022-10-28ActiveRichard HibbardYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2017-10-282022-10-28ActiveRichard HibbardYes
CT 556: Slump - PCC (JTCP)2017-10-282022-10-28ActiveRichard HibbardYes
CT 557: Temperature - PCC (JTCP)2017-10-282022-10-28ActiveRichard HibbardYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Seth Dilles

First NameSeth
Last NameDilles
StatusActive
Total 7 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 504: Air Content of PCC - Pressure Method (JTCP)2017-08-262022-08-26ActiveRichard HibbardYes
CT 518: Unit Weight - PCC (JTCP)2017-08-262022-08-26ActiveRichard HibbardYes
CT 539: Sampling Fresh Concrete (JTCP)2017-08-262022-08-26ActiveRichard HibbardYes
CT 540: Making Cylinders - PCC (JTCP)2017-08-262022-08-26ActiveRichard HibbardYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2017-08-262022-08-26ActiveRichard HibbardYes
CT 556: Slump - PCC (JTCP)2017-08-262022-08-26ActiveRichard HibbardYes
CT 557: Temperature - PCC (JTCP)2017-08-262022-08-26ActiveRichard HibbardYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Derek Seibold

First NameDerek
Last NameSeibold
StatusActive
Total 16 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2021-04-302024-04-30ActiveSarbjit GrewalYes
CT 106: Definitions - Specific Gravity (SpG)2018-11-202023-06-30ActiveDavid SmallYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2021-04-302024-04-30ActiveSarbjit GrewalYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2021-04-302024-04-30ActiveSarbjit GrewalYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2021-04-302024-04-30ActiveSarbjit GrewalYes
CT 205: Percent Crushed Particles (JTCP)2021-04-302024-04-30ActiveSarbjit GrewalYes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2021-04-302024-04-30ActiveSarbjit GrewalYes
CT 217: Sand Equivalent (JTCP)2021-04-302024-04-30ActiveSarbjit GrewalYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2021-04-302024-04-30ActiveSarbjit GrewalYes
CT 227: Cleanness Value (JTCP)2021-04-302024-04-30ActiveSarbjit GrewalYes
CT 229: Durability (JTCP)2021-04-302024-04-30ActiveSarbjit GrewalYes
CT 301: "R" Value2021-01-272023-01-27ActiveDavid SmallYes
CT 308: Bulk SpG and Density - HMA2018-11-202020-11-20ExpiredDavid SmallYes
CT 309: Max SpG and Density - HMA2018-11-202020-11-20ExpiredDavid SmallYes
CT 366: Stabilometer2018-11-202020-11-20ExpiredDavid SmallYes
CT 643: Resistivity and pH Measurements2019-05-072021-05-07ExpiredDavid SmallYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Donny Bryant

First NameDonny
Last NameBryant
StatusActive
Total 15 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2018-11-202021-11-20ExpiredDavid SmallYes
CT 106: Definitions - Specific Gravity (SpG)2018-11-202023-06-30ActiveDavid SmallYes
CT 304: Sample Preparation - HMA2020-11-132022-11-13ActiveIgnocencio HerreraYes
CT 308: Bulk SpG and Density - HMA2020-11-132022-11-13ActiveIgnocencio HerreraYes
CT 309: Max SpG and Density - HMA2020-11-132022-11-13ActiveIgnocencio HerreraYes
CT 366: Stabilometer2020-11-132022-11-13ActiveIgnocencio HerreraYes
CT 382: AC Content by Ignition Oven2020-11-132022-11-13ActiveIgnocencio HerreraYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2018-11-102023-11-10ActiveSarbjit GrewalYes
CT 518: Unit Weight - PCC (JTCP)2018-11-102023-11-10ActiveSarbjit GrewalYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2018-11-102023-11-10ActiveSarbjit GrewalNo
CT 539: Sampling Fresh Concrete (JTCP)2018-11-102023-11-10ActiveSarbjit GrewalYes
CT 540: Making Cylinders - PCC (JTCP)2018-11-102023-11-10ActiveSarbjit GrewalYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2018-11-102023-11-10ActiveSarbjit GrewalYes
CT 556: Slump - PCC (JTCP)2018-11-102023-11-10ActiveSarbjit GrewalYes
CT 557: Temperature - PCC (JTCP)2018-11-102023-11-10ActiveSarbjit GrewalYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Michael Tan

First NameMichael
Last NameTan
StatusActive
Total 13 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES (JTCP)2021-11-052024-11-05ActiveIgnocencio HerreraYes
CT 125 GEN: Sampling - GENERAL2021-11-052023-11-05ActiveIgnocencio HerreraYes
CT 125 HMA: Sampling - HMA (JTCP)2021-11-052024-11-05ActiveIgnocencio HerreraYes
CT 231: Relative Compaction - Nuclear Gage2021-11-052023-11-05ActiveIgnocencio HerreraYes
CT 375: AC Density by Nuclear Gage2021-11-052023-11-05ActiveIgnocencio HerreraYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2018-08-252023-08-25ActiveSarbjit GrewalYes
CT 518: Unit Weight - PCC (JTCP)2018-08-252023-08-25ActiveSarbjit GrewalYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2018-08-252023-08-25ActiveSarbjit GrewalNo
CT 539: Sampling Fresh Concrete (JTCP)2018-08-252023-08-25ActiveSarbjit GrewalYes
CT 540: Making Cylinders - PCC (JTCP)2018-08-252023-08-25ActiveSarbjit GrewalYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2018-08-252023-08-25ActiveSarbjit GrewalYes
CT 556: Slump - PCC (JTCP)2018-08-252023-08-25ActiveSarbjit GrewalYes
CT 557: Temperature - PCC (JTCP)2018-08-252023-08-25ActiveSarbjit GrewalYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Derek Schikora

First NameDerek
Last NameSchikora
StatusActive
Total 7 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 504: Air Content of PCC - Pressure Method (JTCP)2018-08-112023-08-11ActiveSarbjit GrewalYes
CT 518: Unit Weight - PCC (JTCP)2018-08-112023-08-11ActiveSarbjit GrewalYes
CT 539: Sampling Fresh Concrete (JTCP)2018-08-112023-08-11ActiveSarbjit GrewalYes
CT 540: Making Cylinders - PCC (JTCP)2018-08-112023-08-11ActiveSarbjit GrewalYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2018-08-112023-08-11ActiveSarbjit GrewalYes
CT 556: Slump - PCC (JTCP)2018-08-112023-08-11ActiveSarbjit GrewalYes
CT 557: Temperature - PCC (JTCP)2018-08-112023-08-11ActiveSarbjit GrewalYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Christopher Stouffer

First NameChristopher
Last NameStouffer
StatusActive
Total 7 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 504: Air Content of PCC - Pressure Method (JTCP)2018-11-102023-11-10ActiveSarbjit GrewalYes
CT 518: Unit Weight - PCC (JTCP)2018-11-102023-11-10ActiveSarbjit GrewalYes
CT 539: Sampling Fresh Concrete (JTCP)2018-11-102023-11-10ActiveSarbjit GrewalYes
CT 540: Making Cylinders - PCC (JTCP)2018-11-102023-11-10ActiveSarbjit GrewalYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2018-11-102023-11-10ActiveSarbjit GrewalYes
CT 556: Slump - PCC (JTCP)2018-11-102023-11-10ActiveSarbjit GrewalYes
CT 557: Temperature - PCC (JTCP)2018-11-102023-11-10ActiveSarbjit GrewalYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Jonathan Rohan

First NameJonathan
Last NameRohan
StatusActive
Total 7 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 504: Air Content of PCC - Pressure Method (JTCP)2018-07-142023-07-14ActiveSarbjit GrewalYes
CT 518: Unit Weight - PCC (JTCP)2018-07-142023-07-14ActiveSarbjit GrewalYes
CT 539: Sampling Fresh Concrete (JTCP)2018-07-142023-07-14ActiveSarbjit GrewalYes
CT 540: Making Cylinders - PCC (JTCP)2018-07-142023-07-14ActiveSarbjit GrewalYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2018-07-142023-07-14ActiveSarbjit GrewalYes
CT 556: Slump - PCC (JTCP)2018-07-142023-07-14ActiveSarbjit GrewalYes
CT 557: Temperature - PCC (JTCP)2018-07-142023-07-14ActiveSarbjit GrewalYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Anthony Chandler

First NameAnthony
Last NameChandler
StatusActive
Total 11 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES2021-05-272023-05-27ActiveDavid SmallYes
CT 125 HMA: Sampling - HMA2021-05-272023-05-27ActiveDavid SmallYes
CT 231: Relative Compaction - Nuclear Gage2021-05-272023-05-27ActiveDavid SmallYes
CT 375: AC Density by Nuclear Gage2021-05-272023-05-27ActiveDavid SmallYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2018-09-292023-09-29ActiveSarbjit GrewalYes
CT 518: Unit Weight - PCC (JTCP)2018-09-292023-09-29ActiveSarbjit GrewalYes
CT 539: Sampling Fresh Concrete (JTCP)2018-09-292023-09-29ActiveSarbjit GrewalYes
CT 540: Making Cylinders - PCC (JTCP)2018-09-292023-09-29ActiveSarbjit GrewalYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2018-09-292023-09-29ActiveSarbjit GrewalYes
CT 556: Slump - PCC (JTCP)2018-09-292023-09-29ActiveSarbjit GrewalYes
CT 557: Temperature - PCC (JTCP)2018-09-292023-09-29ActiveSarbjit GrewalYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for William Miller

First NameWilliam
Last NameMiller
StatusActive
Total 1 item.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 301: "R" Value2021-01-272023-01-27ActiveDavid SmallYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Victor Ramirez

First NameVictor
Last NameRamirez
StatusActive
Total 4 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES2021-04-052022-04-05ExpiredIgnocencio HerreraYes
CT 125 HMA: Sampling - HMA2021-04-052022-04-05ExpiredIgnocencio HerreraYes
CT 231: Relative Compaction - Nuclear Gage2021-04-052022-04-05ExpiredIgnocencio HerreraYes
CT 375: AC Density by Nuclear Gage2021-04-052022-04-05ExpiredIgnocencio HerreraYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.