Summary for Test 2026-03-11-57-1
Test performed: CTM 643-April 2020Project Information
| Project Identifiers | Project ID: 1002021 DEA: 023J5704 EFIS: 0222000060 |
|---|---|
| DIST-CO-RTE-PM | 02-SHA-5-56.7/66.5 |
| Award Date | Not set |
| Closeout Date | Not set |
| Work Description | Flume Creek Leftover Culverts Replace/Install Culverts - Fish Passage |
| Location Description | In Shasta County at various locations from 0.7 mile south of Sims Road Undercrossing to 0.3 miles south of Crag View Drive Undercrossing. |
| QA Service Level | 1 (Verified on 03/23/2026) |
Sample Information
| Sample Taken Date | 03/11/2026 | Sample Unique Key | 57 |
|---|---|---|---|
| Will the laboratory/organization for which you are a member perform testing on this material sample? | Yes | Date that the sample was received by the laboratory/organization performing the testing | 03/12/2026 |
| Sample type | Preliminary | A brief description of the sample | Sand, Silt, Rock and Soil |
| The quantity of what the sample constitutes | Not Provided | From where was the sample collected | Source |
| First name of sampler or witnessed by | Derek | Last name of sampler or witnessed by | Serna |
| Title of sampler | MREA | Telephone number of sampler | |
| Laboratory sample identification | D80154 | Linked DIME Sample ID | |
| The fabricator/manufacturer/facility name | Culvert Outlet | Transportation Laboratory (TL) Number | 845684 |
| Inspector Lot Number from the Transportation Laboratory (TL) Form | Structure unique identifier | ||
| Structure name | Bid Item | Not set |
Material Information
| Material Type | Soil | The fabricator's/manufacturer's product name for the sample | |
|---|---|---|---|
| The fabricator/manufacturer designation for the sample | A detailed description of where the material sample was collected | C-8 | |
| Where the material sample would have been placed if not sampled |
Test Details
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DIME Sample ID: 2026-03-11-57
DIME Test ID: 2026-03-11-57-1
Testing Lab: CT D02 - Redding Northern Regional Laboratory
Test Method: CTM 643-April 2020: Method for Test for Laboratory Resistivity and pH for Soil and Water
Test Release Date: 2026-03-24
Test Results
The test method used?: Laboratory Resistivity Test for Soil (pH and Resistivity)
Input Type: Measured
Tester's full name: Josh Murphy
Date of test: 03/18/2026
Minimum soil resistance of the lab measurement: 6800 Ohms
Soil sample temperature: 22.5 C
Soil box constant: 1
pH of soil: 6.83
Minimum soil resistance corrected to 15.5: 7990 Ohm-cm
Minimum soil resistivity at 15.5: 7990 Ohm-cm
General comments (publicly viewable) (Max 1000 characters): pH=6.83, p=7990.Ω∙cm
Test was verified on 3/24/2026 ✔