Lab details for SHN Willits Laboratory

Basic Information

Lab NameSHN Willits Laboratory
Manager NameLeif Wanta
Lab Emaillwanta@shn-engr.com
Lab Telephone707-441-8855
Lab Fax707-459-1884
Lab Full Address335 South Main Street, Willits, CA 95490
Zip95490
Lab TypePrivate
District1
Download TL-0113

RSP Information

335 South Main Street, Willits, CA 95490

Test Methods

California Test (CT) Accreditations

Total 36 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleTechnician Certified?
CT 105: Calculations - Gradings (JTCP)2023-09-052024-09-05ActiveAlexis EnglandYes
CT 106: Definitions - Specific Gravity (SpG)2023-09-052024-09-05ActiveAlexis EnglandNo
CT 125 AGG: Sampling - AGGREGATES (JTCP)2023-09-052024-09-05ActiveAlexis EnglandYes
CT 125 AGG: Sampling - AGGREGATES2023-09-052024-09-05ActiveAlexis EnglandNo
CT 125 CEM: Sampling - CEM2023-09-052024-09-05ActiveAlexis EnglandNo
CT 125 GEN: Sampling - GENERAL2023-09-052024-09-05ActiveAlexis EnglandNo
CT 125 HMA: Sampling - HMA2023-09-052024-09-05ActiveAlexis EnglandNo
CT 125 HMA: Sampling - HMA (JTCP)2023-09-052024-09-05ActiveAlexis EnglandYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2023-09-052024-09-05ActiveAlexis EnglandYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2023-09-052024-09-05ActiveAlexis EnglandYes
CT 205: Percent Crushed Particles (JTCP)2023-09-052024-09-05ActiveAlexis EnglandYes
CT 206: SpG & Absorption - Coarse Aggregates2023-09-052024-09-05ActiveAlexis EnglandNo
CT 207: SpG & Absorption - Fine Aggregates2023-09-052024-09-05ActiveAlexis EnglandNo
CT 208: Apparent SpG - Fine Aggregates2023-09-052024-09-05ActiveAlexis EnglandNo
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2023-09-052024-09-05ActiveAlexis EnglandYes
CT 217: Sand Equivalent (JTCP)2023-09-052024-09-05ActiveAlexis EnglandYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2023-09-052024-09-05ActiveAlexis EnglandYes
CT 227: Cleanness Value (JTCP)2023-09-052024-09-05ActiveAlexis EnglandYes
CT 229: Durability (JTCP)2023-09-052024-09-05ActiveAlexis EnglandYes
CT 231: Relative Compaction - Nuclear Gage2023-09-052024-09-05ActiveAlexis EnglandYes
CT 304: Sample Preparation - HMA2023-09-052024-09-05ActiveAlexis EnglandNo
CT 306: Reducing Samples of Asphalt Mixtures (JTCP)2023-09-052024-09-05ActiveAlexis EnglandYes
CT 308: Bulk SpG and Density - HMA2023-09-052024-09-05ActiveAlexis EnglandNo
CT 309: Max SpG and Density - HMA2023-09-052024-09-05ActiveAlexis EnglandNo
CT 370: Moisture Content by Microwave2023-09-052024-09-05ActiveAlexis EnglandNo
CT 375: AC Density by Nuclear Gage2023-09-052024-09-05ActiveAlexis EnglandYes
CT 382: AC Content by Ignition Oven2023-09-052024-09-05ActiveAlexis EnglandNo
CT 504: Air Content of PCC - Pressure Method (JTCP)2023-09-052024-09-05ActiveAlexis EnglandYes
CT 518: Unit Weight - PCC (JTCP)2023-09-052024-09-05ActiveAlexis EnglandYes
CT 521: Compressive Strength - PCC2023-09-052024-09-05ActiveAlexis EnglandNo
CT 539: Sampling Fresh Concrete (JTCP)2023-09-052024-09-05ActiveAlexis EnglandYes
CT 540: Making Cylinders - PCC (JTCP)2023-09-052024-09-05ActiveAlexis EnglandYes
CT 556: Slump - PCC (JTCP)2023-09-052024-09-05ActiveAlexis EnglandYes
CT 557: Temperature - PCC (JTCP)2023-09-052024-09-05ActiveAlexis EnglandYes
CT 533: Ball Penetration - PCC2022-05-112023-05-11ExpiredAlexis EnglandNo
CT 543: Air Content of PCC - Volumetric Method (JTCP)2022-05-112023-05-11ExpiredAlexis EnglandYes

AASHTO/ASTM Proficiencies

Technicians in the Lab

Technician Summary

Total 6 items.
First NameLast NameActions
JoeAufdermaur View
DaveGonzales View
JordanLudtke View
LeifWanta View
Daniel SBemish View
AutumnGalinski View

Technician Details

Details for Joe Aufdermaur

First NameJoe
Last NameAufdermaur
StatusActive
Total 39 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2022-04-222025-04-22ActiveAvinash RallaYes
CT 106: Definitions - Specific Gravity (SpG)2008-01-012023-06-30ExpiredLoren LeeYes
CT 125 ADMIX: Sampling - ADMIXTURE2016-06-072018-06-07ExpiredLoren LeeYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2022-04-222025-04-22ActiveAvinash RallaYes
CT 125 BIT: Sampling - BITUMINOUS2016-06-072018-06-07ExpiredLoren LeeYes
CT 125 CEM: Sampling - CEM2016-06-072018-06-07ExpiredLoren LeeYes
CT 125 GEN: Sampling - GENERAL2016-06-072018-06-07ExpiredLoren LeeYes
CT 125 HMA: Sampling - HMA (JTCP)2022-04-222025-04-22ActiveAvinash RallaYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2008-01-012023-06-30ExpiredLoren LeeYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2016-06-072018-06-07ExpiredLoren LeeYes
CT 205: Percent Crushed Particles (JTCP)2016-06-072018-06-07ExpiredLoren LeeYes
CT 206: SpG & Absorption - Coarse Aggregates2016-06-072018-06-07ExpiredLoren LeeYes
CT 207: SpG & Absorption - Fine Aggregates2016-06-072018-06-07ExpiredLoren LeeYes
CT 211: LA Rattler2016-06-072018-06-07ExpiredLoren LeeNo
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2016-06-072018-06-07ExpiredLoren LeeYes
CT 217: Sand Equivalent (JTCP)2016-06-072018-06-07ExpiredLoren LeeYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2016-06-072018-06-07ExpiredLoren LeeYes
CT 227: Cleanness Value (JTCP)2016-06-072018-06-07ExpiredLoren LeeYes
CT 229: Durability (JTCP)2016-06-072018-06-07ExpiredLoren LeeYes
CT 231: Relative Compaction - Nuclear Gage2022-09-142024-09-14ActiveAlexis EnglandYes
CT 234: Uncompacted void - Fine Aggregates2016-06-072018-06-07ExpiredLoren LeeNo
CT 235: Flat and Elongated Particles2016-06-072018-06-07ExpiredLoren LeeNo
CT 301: "R" Value2019-04-182021-04-18ExpiredIgnocencio HerreraNo
CT 306: Reducing Samples of Asphalt Mixtures (JTCP)2022-04-222025-04-22ActiveAvinash RallaYes
CT 308: Bulk SpG and Density - HMA2021-07-082023-07-08ExpiredLoren LeeYes
CT 309: Max SpG and Density - HMA2021-07-082023-07-08ExpiredLoren LeeYes
CT 366: Stabilometer2019-04-182021-04-18ExpiredIgnocencio HerreraNo
CT 375: AC Density by Nuclear Gage2022-09-142024-09-14ActiveAlexis EnglandYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
CT 518: Unit Weight - PCC (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231)2016-06-022018-06-02ExpiredEmily MerrittNo
CT 521.1: Compressive Strength - PCC (ASTM C39 / C617)2016-06-022018-06-02ExpiredEmily MerrittNo
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2023-02-092028-02-09ActiveGabriela LopezNo
CT 533: Ball Penetration - PCC2016-06-022018-06-02ExpiredLoren LeeYes
CT 539: Sampling Fresh Concrete (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
CT 540: Making Cylinders - PCC (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
CT 556: Slump - PCC (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
CT 557: Temperature - PCC (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
Total 13 items.
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP)2022-04-222025-04-22ActiveAvinash RallaYes
AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP)2022-04-222025-04-22ActiveAvinash RallaYes
AASHTO R47: Reducing Samples of HMA (JTCP)2022-04-222025-04-22ActiveAvinash RallaYes
AASHTO R76: Reducing Samples of Agg (JTCP)2022-04-222025-04-22ActiveAvinash RallaYes
AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP)2023-02-022026-02-02ActiveAvinash RallaYes
AASHTO T176: Sand Equivalent (JTCP)2022-04-222025-04-22ActiveAvinash RallaYes
AASHTO T209: Max SpG and Density - HMA (JTCP)2023-02-022026-02-02ActiveAvinash RallaYes
AASHTO T255: Evaporable Moisture Content (JTCP)2022-04-222025-04-22ActiveAvinash RallaYes
AASHTO T269: Percent Air Voids - HMA (JTCP)2023-02-022026-02-02ActiveAvinash RallaYes
AASHTO T275: Bulk SpG - HMA (JTCP)2023-02-022026-02-02ActiveAvinash RallaYes
AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP)2023-02-022026-02-02ActiveAvinash RallaYes
AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP)2022-04-222025-04-22ActiveAvinash RallaYes
AASHTO T335: Percentage of Fracture (JTCP)2022-04-222025-04-22ActiveAvinash RallaYes

Details for Dave Gonzales

First NameDave
Last NameGonzales
StatusActive
Total 25 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2020-02-072023-02-07ExpiredSarbjit GrewalYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2020-02-072023-02-07ExpiredSarbjit GrewalYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2020-02-072023-02-07ExpiredSarbjit GrewalYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2020-02-072023-02-07ExpiredSarbjit GrewalYes
CT 205: Percent Crushed Particles (JTCP)2020-02-072023-02-07ExpiredSarbjit GrewalYes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2020-02-072023-02-07ExpiredSarbjit GrewalYes
CT 217: Sand Equivalent (JTCP)2020-02-072023-02-07ExpiredSarbjit GrewalYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2020-02-072023-02-07ExpiredSarbjit GrewalYes
CT 227: Cleanness Value (JTCP)2020-02-072023-02-07ExpiredSarbjit GrewalYes
CT 229: Durability (JTCP)2020-02-072023-02-07ExpiredSarbjit GrewalYes
CT 231: Relative Compaction - Nuclear Gage2022-09-142024-09-14ActiveAlexis EnglandYes
CT 301: "R" Value2019-04-182021-04-18ExpiredIgnocencio HerreraNo
CT 308: Bulk SpG and Density - HMA2014-02-242016-02-24ExpiredDarla GhidinelliYes
CT 309: Max SpG and Density - HMA2014-02-242016-02-24ExpiredDarla GhidinelliYes
CT 366: Stabilometer2019-04-182021-04-18ExpiredIgnocencio HerreraNo
CT 375: AC Density by Nuclear Gage2022-09-142024-09-14ActiveAlexis EnglandYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
CT 518: Unit Weight - PCC (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2023-02-092028-02-09ActiveGabriela LopezNo
CT 533: Ball Penetration - PCC2016-02-192018-02-19ExpiredDarla GhidinelliYes
CT 539: Sampling Fresh Concrete (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
CT 540: Making Cylinders - PCC (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
CT 556: Slump - PCC (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
CT 557: Temperature - PCC (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Jordan Ludtke

First NameJordan
Last NameLudtke
StatusActive
Total 10 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 231: Relative Compaction - Nuclear Gage2023-12-192025-12-19ActiveAlexis EnglandYes
CT 375: AC Density by Nuclear Gage2023-12-192025-12-19ActiveAlexis EnglandYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
CT 518: Unit Weight - PCC (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2023-02-092028-02-09ActiveGabriela LopezNo
CT 539: Sampling Fresh Concrete (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
CT 540: Making Cylinders - PCC (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
CT 556: Slump - PCC (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
CT 557: Temperature - PCC (JTCP)2023-02-092028-02-09ActiveGabriela LopezYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Leif Wanta

First NameLeif
Last NameWanta
StatusActive
Total 20 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2022-02-042025-02-04ActiveSoroosh AmelianYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2022-02-042025-02-04ActiveSoroosh AmelianYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2022-02-042025-02-04ActiveSoroosh AmelianYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2022-02-042025-02-04ActiveSoroosh AmelianYes
CT 205: Percent Crushed Particles (JTCP)2022-02-042025-02-04ActiveSoroosh AmelianYes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2022-02-042025-02-04ActiveSoroosh AmelianYes
CT 217: Sand Equivalent (JTCP)2022-02-042025-02-04ActiveSoroosh AmelianYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2022-02-042025-02-04ActiveSoroosh AmelianYes
CT 227: Cleanness Value (JTCP)2022-02-042025-02-04ActiveSoroosh AmelianYes
CT 229: Durability (JTCP)2022-02-042025-02-04ActiveSoroosh AmelianYes
CT 231: Relative Compaction - Nuclear Gage2022-05-172024-05-17ActiveAlexis EnglandYes
CT 375: AC Density by Nuclear Gage2022-05-172024-05-17ActiveAlexis EnglandYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2021-10-222026-10-22ActiveDalton LaBoskeyYes
CT 518: Unit Weight - PCC (JTCP)2021-10-222026-10-22ActiveDalton LaBoskeyYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2021-10-222026-10-22ActiveDalton LaBoskeyNo
CT 539: Sampling Fresh Concrete (JTCP)2021-10-222026-10-22ActiveDalton LaBoskeyYes
CT 540: Making Cylinders - PCC (JTCP)2021-10-222026-10-22ActiveDalton LaBoskeyYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2021-10-222026-10-22ActiveDalton LaBoskeyYes
CT 556: Slump - PCC (JTCP)2021-10-222026-10-22ActiveDalton LaBoskeyYes
CT 557: Temperature - PCC (JTCP)2021-10-222026-10-22ActiveDalton LaBoskeyYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Daniel S Bemish

First NameDaniel S
Last NameBemish
StatusActive
Total 8 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 504: Air Content of PCC - Pressure Method (JTCP)2023-10-272028-10-27ActiveFirooz Ahmad HosainyYes
CT 518: Unit Weight - PCC (JTCP)2023-10-272028-10-27ActiveFirooz Ahmad HosainyYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2023-10-272028-10-27ActiveFirooz Ahmad HosainyNo
CT 539: Sampling Fresh Concrete (JTCP)2023-10-272028-10-27ActiveFirooz Ahmad HosainyYes
CT 540: Making Cylinders - PCC (JTCP)2023-10-272028-10-27ActiveFirooz Ahmad HosainyYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2023-10-272028-10-27ActiveFirooz Ahmad HosainyYes
CT 556: Slump - PCC (JTCP)2023-10-272028-10-27ActiveFirooz Ahmad HosainyYes
CT 557: Temperature - PCC (JTCP)2023-10-272028-10-27ActiveFirooz Ahmad HosainyYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Autumn Galinski

First NameAutumn
Last NameGalinski
StatusActive
Total 2 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 231: Relative Compaction - Nuclear Gage2024-02-152025-02-15ActiveRam SahYes
CT 375: AC Density by Nuclear Gage2024-02-152025-02-15ActiveRam SahYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.