Summary for Test 2025-08-13-78-4
Test performed: CTM 643-April 2020Project Information
| Project Identifiers | Project ID: 1001282 DEA: 022J8604 EFIS: 0221000142 |
|---|---|
| DIST-CO-RTE-PM | 02-SHA-5-61.75/61.75 |
| Award Date | Not set |
| Closeout Date | Not set |
| Work Description | Sweetbrier Deck Replacement - Bridge Rehabilitation and Replacement |
| Location Description | In Shasta County near Castella at Sweetbrier Overcrossing Bridge #06-0115 |
| QA Service Level | 1 (Verified on 05/27/2025) |
Sample Information
| Sample Taken Date | 08/13/2025 | Sample Unique Key | 78 |
|---|---|---|---|
| Date that the sample was received by the laboratory/organization performing the testing | 08/14/2025 | 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 | Brian |
| Last name of sampler or witnessed by | Steiner | Title of sampler | Assistant DME |
| Telephone number of sampler | Laboratory sample identification | D80002 | |
| Linked DIME Sample ID | The fabricator/manufacturer/facility name | Roadside | |
| Transportation Laboratory (TL) Number | 858148 | 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 | Shoulder Slope near SHA 5 PM 61.75 at the NB Sweetbrier offramp | |
| Where the material sample would have been placed if not sampled |
Test Details
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DIME Sample ID: 2025-08-13-78
DIME Test ID: 2025-08-13-78-4
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: 2025-09-03
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: 08/21/2025
Minimum soil resistance of the lab measurement: 8800 Ohms
Soil sample temperature: 19.6 C
Soil box constant: 1
pH of soil: 6.27
Minimum soil resistance corrected to 15.5: 9702 Ohm-cm
Minimum soil resistivity at 15.5: 9702 Ohm-cm
General comments (publicly viewable) (Max 1000 characters): pH=6.27, p=9702.Ω∙cm
Test was verified on 9/3/2025 ✔