Summary for Test 2025-10-22-44-1
Test performed: CTM 643-April 2020Project Information
| Project Identifiers | Project ID: 1001798 DEA: 024J7304 EFIS: 0223000066 |
|---|---|
| DIST-CO-RTE-PM | 02-SIS-89-24.4/25.1 |
| Award Date | Not set |
| Closeout Date | Not set |
| Work Description | McCloud Intersection Safety - Intersection improvements |
| Location Description | In Siskiyou County at and near McCloud from East Minnesota Avenue to Modoc Avenue |
| QA Service Level | 1 (Verified on 10/30/2025) |
Sample Information
| Sample Taken Date | 10/22/2025 | Sample Unique Key | 44 |
|---|---|---|---|
| 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 | 10/23/2025 |
| Sample type | Preliminary | A brief description of the sample | Sand Silt Rock and Soil |
| The quantity of what the sample constitutes | Culvert Recommendation | 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 | D80103 | Linked DIME Sample ID | |
| The fabricator/manufacturer/facility name | District 2 Lab | Transportation Laboratory (TL) Number | 897624 |
| 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 at Inlet SIS 89 PM 24.73 | |
| Where the material sample would have been placed if not sampled |
Test Details
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DIME Sample ID: 2025-10-22-44
DIME Test ID: 2025-10-22-44-1
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: 2025-11-05
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: 10/29/2025
Minimum soil resistance of the lab measurement: 22000 Ohms
Soil sample temperature: 20.7 C
Soil box constant: 1
pH of soil: 6.77
Minimum soil resistance corrected to 15.5: 24860 Ohm-cm
Minimum soil resistivity at 15.5: 24860 Ohm-cm
General comments (publicly viewable) (Max 1000 characters): pH=6.77, p=24860.Ω∙cm
Test was verified on 11/5/2025 ✔