Summary for Test 2025-03-10-65-1

Test performed: CTM 643-April 2020

Project Information

Project IdentifiersProject ID: 1000855
DEA: 021J3104
EFIS: 0220000057
DIST-CO-RTE-PM02-SHA-44-R26.8/71.38
Award DateNot set
Closeout DateNot set
Work DescriptionShingle Station Paving and Drainage.
Location DescriptionIn Shasta County at various locations from 0.3 mile east of Shingletown Ridge Road to Lassen County Line.
QA Service Level1 (Verified on 12/10/2024)

Sample Information

Sample Taken Date03/10/2025 Sample Unique Key65
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 testing03/12/2025
Sample typePreliminary A brief description of the sampleSand, Silt, Rock, and Soil
The quantity of what the sample constitutes1 container for culvert recommendation C-30 From where was the sample collectedSource
First name of sampler or witnessed byJosh Last name of sampler or witnessed byMurphy
Title of samplerTET Telephone number of sampler
Laboratory sample identificationD79824 Linked DIME Sample ID
The fabricator/manufacturer/facility nameIn Situ Transportation Laboratory (TL) Number
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 sample
The fabricator/manufacturer designation for the sample A detailed description of where the material sample was collectedShoulder at Inlet PM 65.72
Where the material sample would have been placed if not sampled

Test Details

DIME Sample ID: 2025-03-10-65
DIME Test ID: 2025-03-10-65-1
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: 2025-04-02

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: 03/27/2025
Minimum soil resistance of the lab measurement: 10000 Ohms
Soil sample temperature: 22.9 C
Soil box constant: 1
pH of soil: 7.15
Minimum soil resistance corrected to 15.5: 11850 Ohm-cm
Minimum soil resistivity at 15.5: 11850 Ohm-cm
General comments (publicly viewable) (Max 1000 characters): pH=7.15, p=11850.Ω∙cm

Test was verified on 4/2/2025