Lab details for SHN Willits Laboratory
Basic Information
| Lab Name | SHN Willits Laboratory |
|---|---|
| Manager Name | Leif Wanta |
| Lab Email | lwanta@shn-engr.com |
| Lab Telephone | 707-441-8855 |
| Lab Fax | 707-459-1884 |
| Lab Full Address | 335 South Main Street, Willits, CA 95490 |
| Zip | 95490 |
| Lab Type | Private |
| District | 1 |
| Mobile Lab Full Address | , , |
RSP Information
335 South Main Street, Willits, CA 95490
Test Methods
California Test (CT) Accreditations
Total 37 items.
AASHTO/ASTM Proficiencies
Total 13 items.
Technicians in the Lab
Technician Summary
Total 6 items.
| First Name | Last Name | Actions |
|---|---|---|
| Joe | Aufdermaur | View |
| Dave | Gonzales | View |
| Jordan | Ludtke | View |
| Leif | Wanta | View |
| Daniel S | Bemish | View |
| Jim | Wilson | View |
Technician Details
Details for Joe Aufdermaur
| First Name | Joe |
|---|---|
| Last Name | Aufdermaur |
| Status | Active |
Total 39 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| CT 105: Calculations - Gradings (JTCP) | 2022-04-22 | 2025-04-22 | Expired | Avinash Ralla | Yes |
| CT 106: Definitions - Specific Gravity (SpG) | 2008-01-01 | 2023-06-30 | Expired | Loren Lee | Yes |
| CT 125 ADMIX: Sampling - ADMIXTURE | 2016-06-07 | 2018-06-07 | Expired | Loren Lee | Yes |
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2025-02-21 | 2028-02-21 | Active | Gabriela Lopez | Yes |
| CT 125 BIT: Sampling - BITUMINOUS | 2016-06-07 | 2018-06-07 | Expired | Loren Lee | Yes |
| CT 125 CEM: Sampling - CEM | 2016-06-07 | 2018-06-07 | Expired | Loren Lee | Yes |
| CT 125 GEN: Sampling - GENERAL | 2016-06-07 | 2018-06-07 | Expired | Loren Lee | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2025-02-21 | 2028-02-21 | Active | Gabriela Lopez | Yes |
| CT 201: Sample Preparation - Soil and Aggregates (JTCP) | 2008-01-01 | 2023-06-30 | Expired | Loren Lee | Yes |
| CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP) | 2016-06-07 | 2018-06-07 | Expired | Loren Lee | Yes |
| CT 205: Percent Crushed Particles (JTCP) | 2016-06-07 | 2018-06-07 | Expired | Loren Lee | Yes |
| CT 206: SpG & Absorption - Coarse Aggregates | 2016-06-07 | 2018-06-07 | Expired | Loren Lee | Yes |
| CT 207: SpG & Absorption - Fine Aggregates | 2016-06-07 | 2018-06-07 | Expired | Loren Lee | Yes |
| CT 211: LA Rattler | 2016-06-07 | 2018-06-07 | Expired | Loren Lee | No |
| CT 216: Relative Compaction - Soils and Aggregates (JTCP) | 2016-06-07 | 2018-06-07 | Expired | Loren Lee | Yes |
| CT 217: Sand Equivalent (JTCP) | 2016-06-07 | 2018-06-07 | Expired | Loren Lee | Yes |
| CT 226: Moisture Content - Soils and Aggregates (JTCP) | 2016-06-07 | 2018-06-07 | Expired | Loren Lee | Yes |
| CT 227: Cleanness Value (JTCP) | 2016-06-07 | 2018-06-07 | Expired | Loren Lee | Yes |
| CT 229: Durability (JTCP) | 2016-06-07 | 2018-06-07 | Expired | Loren Lee | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2024-11-19 | 2026-11-19 | Active | Alexis England | Yes |
| CT 234: Uncompacted void - Fine Aggregates | 2016-06-07 | 2018-06-07 | Expired | Loren Lee | No |
| CT 235: Flat and Elongated Particles | 2016-06-07 | 2018-06-07 | Expired | Loren Lee | No |
| CT 301: "R" Value | 2019-04-18 | 2021-04-18 | Expired | Ignocencio Herrera | No |
| CT 306: Reducing Samples of Asphalt Mixtures (JTCP) | 2025-02-21 | 2028-02-21 | Active | Gabriela Lopez | Yes |
| CT 308: Bulk SpG and Density - HMA | 2021-07-08 | 2023-07-08 | Expired | Loren Lee | Yes |
| CT 309: Max SpG and Density - HMA | 2021-07-08 | 2023-07-08 | Expired | Loren Lee | Yes |
| CT 366: Stabilometer | 2019-04-18 | 2021-04-18 | Expired | Ignocencio Herrera | No |
| CT 375: AC Density by Nuclear Gage | 2024-11-19 | 2026-11-19 | Active | Alexis England | Yes |
| CT 504: Air Content of PCC - Pressure Method (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 518: Unit Weight - PCC (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231) | 2016-06-02 | 2018-06-02 | Expired | Loren Lee | No |
| CT 521.1: Compressive Strength - PCC (ASTM C39 / C617) | 2016-06-02 | 2018-06-02 | Expired | Loren Lee | Yes |
| CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 533: Ball Penetration - PCC | 2016-06-02 | 2018-06-02 | Expired | Loren Lee | Yes |
| CT 539: Sampling Fresh Concrete (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 543: Air Content of PCC - Volumetric Method (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 556: Slump - PCC (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 557: Temperature - PCC (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
Total 14 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP) | 2025-02-21 | 2028-02-21 | Active | Gabriela Lopez | Yes |
| AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP) | 2025-02-21 | 2028-02-21 | Active | Gabriela Lopez | Yes |
| AASHTO T30: Mechanical Analysis of Extracted Aggregate (JTCP) | 2025-02-21 | 2028-02-21 | Active | Gabriela Lopez | No |
| AASHTO R47: Reducing Samples of HMA (JTCP) | 2025-02-21 | 2028-02-21 | Active | Gabriela Lopez | Yes |
| AASHTO R76: Reducing Samples of Agg (JTCP) | 2025-02-21 | 2028-02-21 | Active | Gabriela Lopez | Yes |
| AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP) | 2023-02-02 | 2026-02-02 | Active | Avinash Ralla | Yes |
| AASHTO T176: Sand Equivalent (JTCP) | 2025-02-21 | 2028-02-21 | Active | Gabriela Lopez | Yes |
| AASHTO T209: Max SpG and Density - HMA (JTCP) | 2023-02-02 | 2026-02-02 | Active | Avinash Ralla | Yes |
| AASHTO T255: Evaporable Moisture Content (JTCP) | 2025-02-21 | 2028-02-21 | Active | Gabriela Lopez | Yes |
| AASHTO T269: Percent Air Voids - HMA (JTCP) | 2023-02-02 | 2026-02-02 | Active | Avinash Ralla | Yes |
| AASHTO T275: Bulk SpG - HMA (JTCP) | 2023-02-02 | 2026-02-02 | Active | Avinash Ralla | Yes |
| AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP) | 2023-02-02 | 2026-02-02 | Active | Avinash Ralla | Yes |
| AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP) | 2025-02-21 | 2028-02-21 | Active | Gabriela Lopez | Yes |
| AASHTO T335: Percentage of Fracture (JTCP) | 2025-02-21 | 2028-02-21 | Active | Gabriela Lopez | Yes |
Details for Dave Gonzales
| First Name | Dave |
|---|---|
| Last Name | Gonzales |
| Status | Active |
Total 25 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| CT 105: Calculations - Gradings (JTCP) | 2020-02-07 | 2023-02-07 | Expired | Sarbjit Grewal | Yes |
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2020-02-07 | 2023-02-07 | Expired | Sarbjit Grewal | Yes |
| CT 201: Sample Preparation - Soil and Aggregates (JTCP) | 2020-02-07 | 2023-02-07 | Expired | Sarbjit Grewal | Yes |
| CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP) | 2020-02-07 | 2023-02-07 | Expired | Sarbjit Grewal | Yes |
| CT 205: Percent Crushed Particles (JTCP) | 2020-02-07 | 2023-02-07 | Expired | Sarbjit Grewal | Yes |
| CT 216: Relative Compaction - Soils and Aggregates (JTCP) | 2020-02-07 | 2023-02-07 | Expired | Sarbjit Grewal | Yes |
| CT 217: Sand Equivalent (JTCP) | 2020-02-07 | 2023-02-07 | Expired | Sarbjit Grewal | Yes |
| CT 226: Moisture Content - Soils and Aggregates (JTCP) | 2020-02-07 | 2023-02-07 | Expired | Sarbjit Grewal | Yes |
| CT 227: Cleanness Value (JTCP) | 2020-02-07 | 2023-02-07 | Expired | Sarbjit Grewal | Yes |
| CT 229: Durability (JTCP) | 2020-02-07 | 2023-02-07 | Expired | Sarbjit Grewal | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2024-10-17 | 2026-10-17 | Active | Alexis England | Yes |
| CT 301: "R" Value | 2019-04-18 | 2021-04-18 | Expired | Ignocencio Herrera | No |
| CT 308: Bulk SpG and Density - HMA | 2014-02-24 | 2016-02-24 | Expired | Darla Ghidinelli | Yes |
| CT 309: Max SpG and Density - HMA | 2014-02-24 | 2016-02-24 | Expired | Darla Ghidinelli | Yes |
| CT 366: Stabilometer | 2019-04-18 | 2021-04-18 | Expired | Ignocencio Herrera | No |
| CT 375: AC Density by Nuclear Gage | 2024-10-17 | 2026-10-17 | Active | Alexis England | Yes |
| CT 504: Air Content of PCC - Pressure Method (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 518: Unit Weight - PCC (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 533: Ball Penetration - PCC | 2016-02-19 | 2018-02-19 | Expired | Darla Ghidinelli | Yes |
| CT 539: Sampling Fresh Concrete (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 543: Air Content of PCC - Volumetric Method (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 556: Slump - PCC (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 557: Temperature - PCC (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
No results found. | |||||
Details for Jordan Ludtke
| First Name | Jordan |
|---|---|
| Last Name | Ludtke |
| Status | Active |
Total 10 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| CT 231: Relative Compaction - Nuclear Gage | 2023-12-19 | 2025-12-19 | Active | Alexis England | Yes |
| CT 375: AC Density by Nuclear Gage | 2023-12-19 | 2025-12-19 | Active | Alexis England | Yes |
| CT 504: Air Content of PCC - Pressure Method (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 518: Unit Weight - PCC (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 539: Sampling Fresh Concrete (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 543: Air Content of PCC - Volumetric Method (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 556: Slump - PCC (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| CT 557: Temperature - PCC (JTCP) | 2023-02-09 | 2028-02-09 | Active | Gabriela Lopez | Yes |
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
No results found. | |||||
Details for Leif Wanta
| First Name | Leif |
|---|---|
| Last Name | Wanta |
| Status | Active |
Total 20 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| CT 105: Calculations - Gradings (JTCP) | 2022-02-04 | 2025-02-04 | Expired | Soroosh Amelian | Yes |
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2022-02-04 | 2025-02-04 | Expired | Soroosh Amelian | Yes |
| CT 201: Sample Preparation - Soil and Aggregates (JTCP) | 2022-02-04 | 2025-02-04 | Expired | Soroosh Amelian | Yes |
| CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP) | 2022-02-04 | 2025-02-04 | Expired | Soroosh Amelian | Yes |
| CT 205: Percent Crushed Particles (JTCP) | 2022-02-04 | 2025-02-04 | Expired | Soroosh Amelian | Yes |
| CT 216: Relative Compaction - Soils and Aggregates (JTCP) | 2022-02-04 | 2025-02-04 | Expired | Soroosh Amelian | Yes |
| CT 217: Sand Equivalent (JTCP) | 2022-02-04 | 2025-02-04 | Expired | Soroosh Amelian | Yes |
| CT 226: Moisture Content - Soils and Aggregates (JTCP) | 2022-02-04 | 2025-02-04 | Expired | Soroosh Amelian | Yes |
| CT 227: Cleanness Value (JTCP) | 2022-02-04 | 2025-02-04 | Expired | Soroosh Amelian | Yes |
| CT 229: Durability (JTCP) | 2022-02-04 | 2025-02-04 | Expired | Soroosh Amelian | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2024-05-31 | 2026-05-31 | Active | Alexis England | Yes |
| CT 375: AC Density by Nuclear Gage | 2024-05-31 | 2026-05-31 | Active | Alexis England | Yes |
| CT 504: Air Content of PCC - Pressure Method (JTCP) | 2021-10-22 | 2026-10-22 | Active | Dalton LaBoskey | Yes |
| CT 518: Unit Weight - PCC (JTCP) | 2021-10-22 | 2026-10-22 | Active | Dalton LaBoskey | Yes |
| CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP) | 2021-10-22 | 2026-10-22 | Active | Dalton LaBoskey | Yes |
| CT 539: Sampling Fresh Concrete (JTCP) | 2021-10-22 | 2026-10-22 | Active | Dalton LaBoskey | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2021-10-22 | 2026-10-22 | Active | Dalton LaBoskey | Yes |
| CT 543: Air Content of PCC - Volumetric Method (JTCP) | 2021-10-22 | 2026-10-22 | Active | Dalton LaBoskey | Yes |
| CT 556: Slump - PCC (JTCP) | 2021-10-22 | 2026-10-22 | Active | Dalton LaBoskey | Yes |
| CT 557: Temperature - PCC (JTCP) | 2021-10-22 | 2026-10-22 | Active | Dalton LaBoskey | Yes |
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
No results found. | |||||
Details for Daniel S Bemish
| First Name | Daniel S |
|---|---|
| Last Name | Bemish |
| Status | Active |
Total 10 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| CT 231: Relative Compaction - Nuclear Gage | 2024-05-31 | 2025-05-31 | Active | Alexis England | Yes |
| CT 375: AC Density by Nuclear Gage | 2024-05-31 | 2025-05-31 | Active | Alexis England | Yes |
| CT 504: Air Content of PCC - Pressure Method (JTCP) | 2023-10-27 | 2028-10-27 | Active | Firooz Ahmad Hosainy | Yes |
| CT 518: Unit Weight - PCC (JTCP) | 2023-10-27 | 2028-10-27 | Active | Firooz Ahmad Hosainy | Yes |
| CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP) | 2023-10-27 | 2028-10-27 | Active | Firooz Ahmad Hosainy | Yes |
| CT 539: Sampling Fresh Concrete (JTCP) | 2023-10-27 | 2028-10-27 | Active | Firooz Ahmad Hosainy | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2023-10-27 | 2028-10-27 | Active | Firooz Ahmad Hosainy | Yes |
| CT 543: Air Content of PCC - Volumetric Method (JTCP) | 2023-10-27 | 2028-10-27 | Active | Firooz Ahmad Hosainy | Yes |
| CT 556: Slump - PCC (JTCP) | 2023-10-27 | 2028-10-27 | Active | Firooz Ahmad Hosainy | Yes |
| CT 557: Temperature - PCC (JTCP) | 2023-10-27 | 2028-10-27 | Active | Firooz Ahmad Hosainy | Yes |
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
No results found. | |||||
Details for Jim Wilson
| First Name | Jim |
|---|---|
| Last Name | Wilson |
| Status | Active |
Total 2 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| CT 231: Relative Compaction - Nuclear Gage | 2024-05-31 | 2025-05-31 | Active | Alexis England | Yes |
| CT 375: AC Density by Nuclear Gage | 2024-05-31 | 2025-05-31 | Active | Alexis England | Yes |
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
No results found. | |||||
For concerns with missing or erroneous data, please contact your Independent Assurance personnel