Summary for Test 2025-09-19-38-1

Test performed: CTM 643-April 2020

Project Information

Project IdentifiersProject ID: 1000130
DEA: 021J3504
EFIS: 0220000061
DIST-CO-RTE-PM02-SHA-29-41.1/55.3
Award DateNot set
Closeout DateNot set
Work DescriptionDiddy Roost Culverts - Drainage System Restoration
Location DescriptionNot set
QA Service Level1 (Verified on 10/24/2024)

Sample Information

Sample Taken Date09/19/2025 Sample Unique Key38
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 testing09/19/2025
Sample typePreliminary A brief description of the sampleSand, Silt, Rock and Soil
The quantity of what the sample constitutesNot Provided From where was the sample collectedSource
First name of sampler or witnessed byDerek Last name of sampler or witnessed bySerna
Title of sampler Telephone number of sampler
Laboratory sample identificationD80053 Linked DIME Sample ID
The fabricator/manufacturer/facility nameRoadside Transportation Laboratory (TL) Number897610
Inspector Lot Number from the Transportation Laboratory (TL) Form Structure unique identifier
Structure name Bid ItemNot set

Material Information

Material TypeSoil The fabricator's/manufacturer's product name for the sampleC-8
The fabricator/manufacturer designation for the sample A detailed description of where the material sample was collectedShoulder at Inlet SHA, 299 PM. 49.63
Where the material sample would have been placed if not sampled

Test Details

DIME Sample ID: 2025-09-19-38
DIME Test ID: 2025-09-19-38-1
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: 2025-09-30

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: 09/29/2025
Minimum soil resistance of the lab measurement: 7100 Ohms
Soil sample temperature: 21.9 C
Soil box constant: 1
pH of soil: 7.10
Minimum soil resistance corrected to 15.5: 8236 Ohm-cm
Minimum soil resistivity at 15.5: 8236 Ohm-cm
General comments (publicly viewable) (Max 1000 characters): pH=7.10, p=8236.Ω∙cm

Test was verified on 9/30/2025