Summary for Test 2025-07-01-44-3
Test performed: CTM 643-April 2020Project Information
| Project Identifiers | Project ID: 1001417 DEA: 022J7504 EFIS: 0221000131 |
|---|---|
| DIST-CO-RTE-PM | 02-MOD-299-33.5/37.5 |
| Award Date | Not set |
| Closeout Date | Not set |
| Work Description | Crowder Flat Pavement Roadway Rehabilitation |
| Location Description | In Modoc County near Alturas from 3.6 miles west of Crowder Flat Road to 0.3 mile west of Rattlesnake Creek Bridge |
| QA Service Level | 1 (Verified on 07/22/2025) |
Sample Information
| Sample Taken Date | 07/01/2025 | 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 | 07/01/2025 |
| Sample type | Preliminary | A brief description of the sample | 2 Bags Native Soil |
| The quantity of what the sample constitutes | Sand, Silt, Rock and Soil | From where was the sample collected | Source |
| First name of sampler or witnessed by | Colt | Last name of sampler or witnessed by | Sweeny |
| Title of sampler | MREA | Telephone number of sampler | |
| Laboratory sample identification | D79943 | Linked DIME Sample ID | |
| The fabricator/manufacturer/facility name | CALTRANS | Transportation Laboratory (TL) Number | 000002 |
| 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 MOD 299 pm 36.00 | |
| Where the material sample would have been placed if not sampled |
Test Details
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DIME Sample ID: 2025-07-01-44
DIME Test ID: 2025-07-01-44-3
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: 2025-07-28
Test Results
The test method used?: Laboratory Resistivity Test for Soil (pH and Resistivity)
Input Type: Measured
Tester's full name: Josh Ferency
Date of test: 07/15/2025
Minimum soil resistance of the lab measurement: 1400 Ohms
Soil sample temperature: 20.4 C
Soil box constant: 1
pH of soil: 7.85
Minimum soil resistance corrected to 15.5: 1571.5 Ohm-cm
Minimum soil resistivity at 15.5: 1572 Ohm-cm
General comments (publicly viewable) (Max 1000 characters): pH=7.85, p=1572.Ω∙cm
Test was verified on 7/28/2025 ✔