Lab details for NAI Laboratory
Basic Information
| Lab Name | NAI Laboratory |
|---|---|
| Manager Name | Stephen James |
| Lab Email | stephen@northernaggregates.com |
| Lab Telephone | 707-830-0700 |
| Lab Fax | |
| Lab Full Address | 16410 North Highway 101, Willits, CA 95490 |
| Zip | 95490 |
| Lab Type | Private |
| District | 1 |
| Mobile Lab Full Address | , , |
RSP Information
16410 N. Hwy 101, Willits, CA 95490
Test Methods
California Test (CT) Accreditations
Total 19 items.
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Technician Certified? |
|---|---|---|---|---|---|
No results found. | |||||
Technicians in the Lab
Technician Summary
Technician Details
Details for Stephen James
| First Name | Stephen |
|---|---|
| Last Name | James |
| Status | Active |
Total 34 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| CT 105: Calculations - Gradings (JTCP) | 2024-06-14 | 2027-06-14 | Active | Brian Ellis | Yes |
| CT 125 AGG: Sampling - AGGREGATES (JTCP) | 2024-06-14 | 2027-06-14 | Active | Brian Ellis | No |
| CT 125 CEM: Sampling - CEM | 2018-03-13 | 2020-03-13 | Expired | Darla Ghidinelli | No |
| CT 125 GEN: Sampling - GENERAL | 2018-03-13 | 2020-03-13 | Expired | Darla Ghidinelli | Yes |
| CT 125 HMA: Sampling - HMA (JTCP) | 2018-06-15 | 2021-06-15 | Expired | Biplab Bhattacharya | No |
| CT 201: Sample Preparation - Soil and Aggregates (JTCP) | 2024-06-14 | 2027-06-14 | Active | Brian Ellis | Yes |
| CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP) | 2024-06-14 | 2027-06-14 | Active | Brian Ellis | Yes |
| CT 205: Percent Crushed Particles (JTCP) | 2024-06-14 | 2027-06-14 | Active | Brian Ellis | Yes |
| CT 206: SpG & Absorption - Coarse Aggregates | 2024-12-03 | 2025-12-03 | Active | Alexis England | Yes |
| CT 207: SpG & Absorption - Fine Aggregates | 2024-12-03 | 2025-12-03 | Active | Alexis England | Yes |
| CT 212: Unit Weight of Aggregates | 2024-12-10 | 2025-12-10 | Active | Alexis England | Yes |
| CT 216: Relative Compaction - Soils and Aggregates (JTCP) | 2024-06-14 | 2027-06-14 | Active | Brian Ellis | No |
| CT 217: Sand Equivalent (JTCP) | 2024-06-14 | 2027-06-14 | Active | Brian Ellis | Yes |
| CT 226: Moisture Content - Soils and Aggregates (JTCP) | 2024-06-14 | 2027-06-14 | Active | Brian Ellis | Yes |
| CT 227: Cleanness Value (JTCP) | 2024-06-14 | 2027-06-14 | Active | Brian Ellis | No |
| CT 229: Durability (JTCP) | 2024-06-14 | 2027-06-14 | Active | Brian Ellis | Yes |
| CT 231: Relative Compaction - Nuclear Gage | 2020-02-27 | 2021-02-27 | Expired | Loren Lee | No |
| CT 235: Flat and Elongated Particles | 2024-12-10 | 2025-12-10 | Active | Alexis England | Yes |
| CT 308: Bulk SpG and Density - HMA | 2016-03-17 | 2018-03-17 | Expired | Loren Lee | No |
| CT 309: Max SpG and Density - HMA | 2016-03-17 | 2018-03-17 | Expired | Loren Lee | No |
| CT 370: Moisture Content by Microwave | 2016-03-17 | 2018-03-17 | Expired | Loren Lee | No |
| CT 375: AC Density by Nuclear Gage | 2020-02-27 | 2021-02-27 | Expired | Loren Lee | No |
| CT 382: AC Content by Ignition Oven | 2016-03-17 | 2018-03-17 | Expired | Loren Lee | No |
| CT 504: Air Content of PCC - Pressure Method (JTCP) | 2020-01-31 | 2025-01-31 | Expired | Jackie Treat | Yes |
| CT 518: Unit Weight - PCC (JTCP) | 2020-01-31 | 2025-01-31 | Expired | Jackie Treat | Yes |
| CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231) | 2024-12-10 | 2025-12-10 | Active | Alexis England | Yes |
| CT 521.1: Compressive Strength - PCC (ASTM C39 / C617) | 2020-02-27 | 2021-02-27 | Expired | Darla Ghidinelli | No |
| CT 533: Ball Penetration - PCC | 2018-03-13 | 2020-03-13 | Expired | Darla Ghidinelli | No |
| CT 539: Sampling Fresh Concrete (JTCP) | 2020-01-31 | 2025-01-31 | Expired | Jackie Treat | Yes |
| CT 540: Making Cylinders - PCC (JTCP) | 2020-01-31 | 2025-01-31 | Expired | Jackie Treat | No |
| CT 543: Air Content of PCC - Volumetric Method (JTCP) | 2020-01-31 | 2025-01-31 | Expired | Jackie Treat | No |
| CT 547: Bridge Profilograph | 2020-02-27 | 2021-02-27 | Expired | Loren Lee | No |
| CT 556: Slump - PCC (JTCP) | 2020-01-31 | 2025-01-31 | Expired | Jackie Treat | Yes |
| CT 557: Temperature - PCC (JTCP) | 2020-01-31 | 2025-01-31 | Expired | Jackie Treat | Yes |
Total 14 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP) | 2018-06-15 | 2021-06-15 | Expired | Biplab Bhattacharya | No |
| AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP) | 2018-06-15 | 2021-06-15 | Expired | Biplab Bhattacharya | No |
| AASHTO R47: Reducing Samples of HMA (JTCP) | 2018-06-15 | 2021-06-15 | Expired | Biplab Bhattacharya | No |
| AASHTO R76: Reducing Samples of Agg (JTCP) | 2018-06-15 | 2021-06-15 | Expired | Biplab Bhattacharya | No |
| AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP) | 2019-02-07 | 2022-02-07 | Expired | Richard Hibbard | No |
| AASHTO T176: Sand Equivalent (JTCP) | 2018-06-15 | 2021-06-15 | Expired | Biplab Bhattacharya | No |
| AASHTO T209: Max SpG and Density - HMA (JTCP) | 2019-02-07 | 2022-02-07 | Expired | Richard Hibbard | No |
| AASHTO T248: Reducing Samples of Agg. (JTCP) | 2018-06-15 | 2021-06-15 | Expired | Biplab Bhattacharya | No |
| AASHTO T255: Evaporable Moisture Content (JTCP) | 2018-06-15 | 2021-06-15 | Expired | Biplab Bhattacharya | No |
| AASHTO T269: Percent Air Voids - HMA (JTCP) | 2019-02-07 | 2022-02-07 | Expired | Richard Hibbard | No |
| AASHTO T275: Bulk SpG - HMA (JTCP) | 2019-02-07 | 2022-02-07 | Expired | Richard Hibbard | No |
| AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP) | 2019-02-07 | 2022-02-07 | Expired | Richard Hibbard | No |
| AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP) | 2018-06-15 | 2021-06-15 | Expired | Biplab Bhattacharya | No |
| AASHTO T335: Percentage of Fracture (JTCP) | 2018-06-15 | 2021-06-15 | Expired | Biplab Bhattacharya | No |
Details for Coby Allen
| First Name | Coby |
|---|---|
| Last Name | Allen |
| Status | Active |
Total 1 item.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab Scope? |
|---|---|---|---|---|---|
| CT 125 AGG: Sampling - AGGREGATES | 2025-01-29 | 2026-01-29 | Active | Darrell Valasek | 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