Lab details for Sierra Geotech BoxLab 1

Basic Information

Lab NameSierra Geotech BoxLab 1
Manager NameRaymond Downes
Lab Emailray@sierrageotech.com
Lab Telephone916-425-0359
Lab Fax
Lab Full Address4470 Yankee Hill Road, Suite 110, Rocklin, CA 95677
Zip95677
Lab TypePrivate
District3
Mobile Lab Full Address, ,
Mobile Lab Tel(not set)

RSP Information

4470 Yankee Hill Road, Suite 110, Rocklin, CA 95677

Test Methods

California Test (CT) Accreditations

AASHTO/ASTM Proficiencies

Test MethodObtained DateExpiration DateStatusIA ResponsibleTechnician Certified?
No results found.

Technicians in the Lab

Technician Summary

Total 4 items.
First NameLast NameActions
MichalKosakowski View
DavidSantoscoy View
StevenOlsen View
RobertPierson View

Technician Details

Details for Michal Kosakowski

First NameMichal
Last NameKosakowski
StatusActive
Total 15 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES (JTCP)2018-02-262021-02-26ExpiredJessaneil PerezNo
CT 125 AGG: Sampling - AGGREGATES2023-02-162025-02-16ActiveIgnocencio HerreraYes
CT 125 CEM: Sampling - CEM2019-02-262021-02-26ExpiredJessaneil PerezNo
CT 125 GEN: Sampling - GENERAL2023-02-162025-02-16ActiveIgnocencio HerreraNo
CT 125 HMA: Sampling - HMA (JTCP)2018-02-262021-02-26ExpiredJessaneil PerezNo
CT 125 HMA: Sampling - HMA2023-02-162025-02-16ActiveIgnocencio HerreraNo
CT 231: Relative Compaction - Nuclear Gage2023-02-162025-02-16ActiveIgnocencio HerreraNo
CT 375: AC Density by Nuclear Gage2023-02-162025-02-16ActiveIgnocencio HerreraNo
CT 504: Air Content of PCC - Pressure Method (JTCP)2018-02-242023-02-24ExpiredBiplab BhattacharyaNo
CT 518: Unit Weight - PCC (JTCP)2018-02-242023-02-24ExpiredBiplab BhattacharyaNo
CT 539: Sampling Fresh Concrete (JTCP)2018-02-242023-02-24ExpiredBiplab BhattacharyaNo
CT 540: Making Cylinders - PCC (JTCP)2018-02-242023-02-24ExpiredBiplab BhattacharyaNo
CT 543: Air Content of PCC - Volumetric Method (JTCP)2018-02-242023-02-24ExpiredBiplab BhattacharyaNo
CT 556: Slump - PCC (JTCP)2018-02-242023-02-24ExpiredBiplab BhattacharyaNo
CT 557: Temperature - PCC (JTCP)2018-02-242023-02-24ExpiredBiplab BhattacharyaNo
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for David Santoscoy

First NameDavid
Last NameSantoscoy
StatusActive
Total 13 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES2023-02-162025-02-16ActiveIgnocencio HerreraYes
CT 125 CEM: Sampling - CEM2021-02-242023-02-24ExpiredJackie TreatNo
CT 125 GEN: Sampling - GENERAL2023-02-162025-02-16ActiveIgnocencio HerreraNo
CT 125 HMA: Sampling - HMA2023-02-162025-02-16ActiveIgnocencio HerreraNo
CT 231: Relative Compaction - Nuclear Gage2023-02-162025-02-16ActiveIgnocencio HerreraNo
CT 375: AC Density by Nuclear Gage2023-02-162025-02-16ActiveIgnocencio HerreraNo
CT 504: Air Content of PCC - Pressure Method (JTCP)2018-06-092023-06-09ExpiredRichard HibbardNo
CT 518: Unit Weight - PCC (JTCP)2018-06-092023-06-09ExpiredRichard HibbardNo
CT 539: Sampling Fresh Concrete (JTCP)2018-06-092023-06-09ExpiredRichard HibbardNo
CT 540: Making Cylinders - PCC (JTCP)2018-06-092023-06-09ExpiredRichard HibbardNo
CT 543: Air Content of PCC - Volumetric Method (JTCP)2018-06-092023-06-09ExpiredRichard HibbardNo
CT 556: Slump - PCC (JTCP)2018-06-092023-06-09ExpiredRichard HibbardNo
CT 557: Temperature - PCC (JTCP)2018-06-092023-06-09ExpiredRichard HibbardNo
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Steven Olsen

First NameSteven
Last NameOlsen
StatusActive
Total 5 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES2023-04-252024-04-25ExpiredRahshaun SpearsYes
CT 125 GEN: Sampling - GENERAL2023-04-252024-04-25ExpiredRahshaun SpearsNo
CT 125 HMA: Sampling - HMA2023-04-252024-04-25ExpiredRahshaun SpearsNo
CT 231: Relative Compaction - Nuclear Gage2023-04-252024-04-25ExpiredRahshaun SpearsNo
CT 375: AC Density by Nuclear Gage2023-04-252024-04-25ExpiredRahshaun SpearsNo
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Robert Pierson

First NameRobert
Last NamePierson
StatusActive
Total 5 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES2023-06-162024-06-16ActiveRahshaun SpearsYes
CT 125 GEN: Sampling - GENERAL2023-06-162024-06-16ActiveRahshaun SpearsNo
CT 125 HMA: Sampling - HMA2023-06-162024-06-16ActiveRahshaun SpearsNo
CT 231: Relative Compaction - Nuclear Gage2023-06-162024-06-16ActiveRahshaun SpearsNo
CT 375: AC Density by Nuclear Gage2023-06-162024-06-16ActiveRahshaun SpearsNo
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.