Lab details for Sierra Material Testing & Inspection

Basic Information

Lab NameSierra Material Testing & Inspection
Manager NameAlex Rojas
Lab Emailalex@sierramti.com
Lab Telephone760-337-2067
Lab Fax760-337-1926
Lab Full Address1003 Industry Way, Suite A, El Centro, CA 92243
Zip92243
Lab TypePrivate
District11

RSP Information

1003 Industry Way, Suite A, El Centro, CA 92243

Test Methods

California Test (CT) Accreditations

Total 42 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleTester Certified?
CT 105: Calculations - Gradings (JTCP)2022-02-252023-02-25ActiveRoy(Chip) DennerYes
CT 106: Definitions - Specific Gravity (SpG)2022-02-252023-02-25ActiveRoy(Chip) DennerYes
CT 125 ADMIX: Sampling - ADMIXTURE2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 125 AGG: Sampling - AGGREGATES2022-02-252023-02-25ActiveRoy(Chip) DennerYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 125 BIT: Sampling - BITUMINOUS2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 125 CEM: Sampling - CEM2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 125 GEN: Sampling - GENERAL2022-02-252023-02-25ActiveRoy(Chip) DennerYes
CT 125 HMA: Sampling - HMA (JTCP)2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 125 HMA: Sampling - HMA2022-02-252023-02-25ActiveRoy(Chip) DennerYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2022-02-252023-02-25ActiveRoy(Chip) DennerYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 204: LL, PL, PI2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 205: Percent Crushed Particles (JTCP)2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 206: SpG & Absorption - Coarse Aggregates2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 207: SpG & Absorption - Fine Aggregates2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 208: Apparent SpG - Fine Aggregates2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 209: SpG for Soil2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 213: Organic Impurities of PCC sand2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 217: Sand Equivalent (JTCP)2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 226: Moisture Content - Soils and Aggregates (JTCP)2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 227: Cleanness Value (JTCP)2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 229: Durability (JTCP)2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 231: Relative Compaction - Nuclear Gage2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 301: "R" Value2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 304: Sample Preparation - HMA2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 308: Bulk SpG and Density - HMA2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 309: Max SpG and Density - HMA2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 366: Stabilometer2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 375: AC Density by Nuclear Gage2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 382: AC Content by Ignition Oven2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 504: Air Content of PCC - Pressure Method (JTCP)2022-02-252023-02-25ActiveRoy(Chip) DennerYes
CT 518: Unit Weight - PCC (JTCP)2022-02-252023-02-25ActiveRoy(Chip) DennerYes
CT 521: Compressive Strength - PCC2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2022-02-252023-02-25ActiveRoy(Chip) DennerYes
CT 533: Ball Penetration - PCC2022-02-252023-02-25ActiveRoy(Chip) DennerNo
CT 539: Sampling Fresh Concrete (JTCP)2022-02-252023-02-25ActiveRoy(Chip) DennerYes
CT 540: Making Cylinders - PCC (JTCP)2022-02-252023-02-25ActiveRoy(Chip) DennerYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2022-02-252023-02-25ActiveRoy(Chip) DennerYes
CT 556: Slump - PCC (JTCP)2022-02-252023-02-25ActiveRoy(Chip) DennerYes
CT 557: Temperature - PCC (JTCP)2022-02-252023-02-25ActiveRoy(Chip) DennerYes

AASHTO/ASTM Proficiencies

Test MethodObtained DateExpiration DateStatusIA ResponsibleTester Certified?
No results found.

Testers in the Lab

Tester Summary

Total 9 items.
First NameLast NameActions
IgnacioHernandez View
PaulGastelum View
MarioMuro View
SergioVillanueva View
JuanVasquez View
RaulGonzalez View
ErnestoLopez View
CarlosCardenas View
NatoneMorgan View

Tester Details

Details for Ignacio Hernandez

First NameIgnacio
Last NameHernandez
StatusActive
Total 13 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES (JTCP)2017-11-172018-11-17ExpiredAfsaneh OstovarYes
CT 125 GEN: Sampling - GENERAL2017-11-172018-11-17ExpiredAfsaneh OstovarYes
CT 213: Organic Impurities of PCC sand2017-11-172018-11-17ExpiredAfsaneh OstovarYes
CT 231: Relative Compaction - Nuclear Gage2016-11-072017-11-07ExpiredAfsaneh OstovarYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2017-11-172018-11-17ExpiredAfsaneh OstovarYes
CT 518: Unit Weight - PCC (JTCP)2017-11-172018-11-17ExpiredAfsaneh OstovarYes
CT 521: Compressive Strength - PCC2017-11-172018-11-17ExpiredAfsaneh OstovarYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2016-11-072017-11-07ExpiredAfsaneh OstovarYes
CT 523.2 Section B.3: Flexural Strength (Lab Test)2016-11-072017-11-07ExpiredAfsaneh OstovarNo
CT 539: Sampling Fresh Concrete (JTCP)2017-11-172018-11-17ExpiredAfsaneh OstovarYes
CT 540: Making Cylinders - PCC (JTCP)2017-11-172018-11-17ExpiredAfsaneh OstovarYes
CT 556: Slump - PCC (JTCP)2017-11-172018-11-17ExpiredAfsaneh OstovarYes
CT 557: Temperature - PCC (JTCP)2017-11-172018-11-17ExpiredAfsaneh OstovarYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Paul Gastelum

First NamePaul
Last NameGastelum
StatusActive
Total 14 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES (JTCP)2018-11-272020-11-27ExpiredAfsaneh OstovarYes
CT 125 AGG: Sampling - AGGREGATES2021-02-262023-02-26ActiveAfsaneh OstovarYes
CT 125 GEN: Sampling - GENERAL2021-02-262023-02-26ActiveAfsaneh OstovarYes
CT 125 HMA: Sampling - HMA (JTCP)2018-11-272020-11-27ExpiredAfsaneh OstovarYes
CT 125 HMA: Sampling - HMA2021-02-262023-02-26ActiveAfsaneh OstovarYes
CT 231: Relative Compaction - Nuclear Gage2020-08-172022-08-17ExpiredRoy(Chip) DennerYes
CT 375: AC Density by Nuclear Gage2020-08-172022-08-17ExpiredRoy(Chip) DennerYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2018-06-012023-06-01ActiveBiplab BhattacharyaYes
CT 518: Unit Weight - PCC (JTCP)2018-06-012023-06-01ActiveBiplab BhattacharyaYes
CT 539: Sampling Fresh Concrete (JTCP)2018-06-012023-06-01ActiveBiplab BhattacharyaYes
CT 540: Making Cylinders - PCC (JTCP)2018-06-012023-06-01ActiveBiplab BhattacharyaYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2018-06-012023-06-01ActiveBiplab BhattacharyaYes
CT 556: Slump - PCC (JTCP)2018-06-012023-06-01ActiveBiplab BhattacharyaYes
CT 557: Temperature - PCC (JTCP)2018-06-012023-06-01ActiveBiplab BhattacharyaYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Mario Muro

First NameMario
Last NameMuro
StatusActive
Total 22 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2016-11-092023-06-30ActiveAfsaneh OstovarYes
CT 106: Definitions - Specific Gravity (SpG)2016-11-092023-06-30ActiveAfsaneh OstovarYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2016-11-092023-06-30ActiveAfsaneh OstovarYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2017-11-172019-11-17ExpiredAfsaneh OstovarYes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2017-11-172018-11-17ExpiredAfsaneh OstovarYes
CT 217: Sand Equivalent (JTCP)2016-11-092017-11-09ExpiredAfsaneh OstovarYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2017-11-172019-11-17ExpiredAfsaneh OstovarYes
CT 229: Durability (JTCP)2016-11-092017-11-09ExpiredAfsaneh OstovarYes
CT 301: "R" Value2018-11-272020-12-01ExpiredRoy(Chip) DennerYes
CT 304: Sample Preparation - HMA2017-11-172018-11-17ExpiredAfsaneh OstovarYes
CT 308: Bulk SpG and Density - HMA2017-11-172018-11-17ExpiredAfsaneh OstovarYes
CT 309: Max SpG and Density - HMA2017-11-172019-11-17ExpiredAfsaneh OstovarYes
CT 366: Stabilometer2017-11-172018-11-17ExpiredAfsaneh OstovarYes
CT 382: AC Content by Ignition Oven2017-11-172019-11-17ExpiredAfsaneh OstovarYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2021-10-312026-10-31ActiveDalton LaBoskeyYes
CT 518: Unit Weight - PCC (JTCP)2021-10-312026-10-31ActiveDalton LaBoskeyYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2021-10-312026-10-31ActiveDalton LaBoskeyYes
CT 539: Sampling Fresh Concrete (JTCP)2021-10-312026-10-31ActiveDalton LaBoskeyYes
CT 540: Making Cylinders - PCC (JTCP)2021-10-312026-10-31ActiveDalton LaBoskeyYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2021-10-312026-10-31ActiveDalton LaBoskeyYes
CT 556: Slump - PCC (JTCP)2021-10-312026-10-31ActiveDalton LaBoskeyYes
CT 557: Temperature - PCC (JTCP)2021-10-312026-10-31ActiveDalton LaBoskeyYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Sergio Villanueva

First NameSergio
Last NameVillanueva
StatusActive
Total 15 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES (JTCP)2017-11-272020-11-27ExpiredAfsaneh OstovarYes
CT 125 CEM: Sampling - CEM2018-11-272020-11-27ExpiredAfsaneh OstovarYes
CT 125 GEN: Sampling - GENERAL2018-11-272020-11-27ExpiredAfsaneh OstovarYes
CT 125 HMA: Sampling - HMA (JTCP)2017-11-272020-11-27ExpiredAfsaneh OstovarYes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2017-11-172018-11-17ExpiredAfsaneh OstovarYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2017-11-172018-11-17ExpiredAfsaneh OstovarYes
CT 231: Relative Compaction - Nuclear Gage2018-11-272019-11-27ExpiredAfsaneh OstovarYes
CT 375: AC Density by Nuclear Gage2018-11-272019-11-27ExpiredAfsaneh OstovarYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2018-06-012023-06-01ActiveRichard HibbardYes
CT 518: Unit Weight - PCC (JTCP)2018-06-012023-06-01ActiveRichard HibbardYes
CT 539: Sampling Fresh Concrete (JTCP)2018-06-012023-06-01ActiveRichard HibbardYes
CT 540: Making Cylinders - PCC (JTCP)2018-06-012023-06-01ActiveRichard HibbardYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2018-06-012023-06-01ActiveRichard HibbardYes
CT 556: Slump - PCC (JTCP)2018-06-012023-06-01ActiveRichard HibbardYes
CT 557: Temperature - PCC (JTCP)2018-06-012023-06-01ActiveRichard HibbardYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Juan Vasquez

First NameJuan
Last NameVasquez
StatusActive
Total 13 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES2021-02-262023-02-26ActiveAfsaneh OstovarYes
CT 125 GEN: Sampling - GENERAL2021-02-262023-02-26ActiveAfsaneh OstovarYes
CT 125 HMA: Sampling - HMA2021-02-262023-02-26ActiveAfsaneh OstovarYes
CT 231: Relative Compaction - Nuclear Gage2020-08-172022-08-17ExpiredRoy(Chip) DennerYes
CT 375: AC Density by Nuclear Gage2020-08-172022-08-17ExpiredRoy(Chip) DennerYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2021-10-142026-10-14ActiveDalton LaBoskeyYes
CT 518: Unit Weight - PCC (JTCP)2021-10-142026-10-14ActiveDalton LaBoskeyYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2021-10-142026-10-14ActiveDalton LaBoskeyYes
CT 539: Sampling Fresh Concrete (JTCP)2021-10-142026-10-14ActiveDalton LaBoskeyYes
CT 540: Making Cylinders - PCC (JTCP)2021-10-142026-10-14ActiveDalton LaBoskeyYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2021-10-142026-10-14ActiveDalton LaBoskeyYes
CT 556: Slump - PCC (JTCP)2021-10-142026-10-14ActiveDalton LaBoskeyYes
CT 557: Temperature - PCC (JTCP)2021-10-142026-10-14ActiveDalton LaBoskeyYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Raul Gonzalez

First NameRaul
Last NameGonzalez
StatusActive
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Ernesto Lopez

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

Details for Carlos Cardenas

First NameCarlos
Last NameCardenas
StatusActive
Total 2 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES2021-02-262022-02-26ExpiredAfsaneh OstovarYes
CT 125 GEN: Sampling - GENERAL2021-02-262022-02-26ExpiredAfsaneh OstovarYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Natone Morgan

First NameNatone
Last NameMorgan
StatusActive
Total 8 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 504: Air Content of PCC - Pressure Method (JTCP)2022-06-102027-06-10ActiveDalton LaBoskeyYes
CT 518: Unit Weight - PCC (JTCP)2022-06-102027-06-10ActiveDalton LaBoskeyYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2022-06-102027-06-10ActiveDalton LaBoskeyYes
CT 539: Sampling Fresh Concrete (JTCP)2022-06-102027-06-10ActiveDalton LaBoskeyYes
CT 540: Making Cylinders - PCC (JTCP)2022-06-102027-06-10ActiveDalton LaBoskeyYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2022-06-102027-06-10ActiveDalton LaBoskeyYes
CT 556: Slump - PCC (JTCP)2022-06-102027-06-10ActiveDalton LaBoskeyYes
CT 557: Temperature - PCC (JTCP)2022-06-102027-06-10ActiveDalton LaBoskeyYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.