Summary for Test 2025-04-16-58-1

Test performed: CTM 643-April 2020

Project Information

Project IdentifiersProject ID: 1001231
DEA: 020J5904
EFIS: 0219000139
DIST-CO-RTE-PM02-MOD-Var-
Award DateNot set
Closeout DateNot set
Work DescriptionPavement Rehabilitiation
Location DescriptionIn Modoc County in Alturas on Route 299 from Spruce Street to Route 395 and on Route 395 from 0 9 mile north of South Fork Pit River Bridge #03-0052 to 0.4 mile south of Joseph Creek Road.
QA Service Level1 (Verified on 04/28/2025)

Sample Information

Sample Taken Date04/16/2025 Sample Unique Key58
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 testing04/17/2025
Sample typePreliminary A brief description of the sampleSand, Silt, Rock, and Soil
The quantity of what the sample constitutes1 container for culvert recommendation C-6 From where was the sample collectedSource
First name of sampler or witnessed byJosh Last name of sampler or witnessed byFerency
Title of samplerTET Telephone number of sampler
Laboratory sample identificationD79852 Linked DIME Sample ID
The fabricator/manufacturer/facility nameIn Situ Transportation Laboratory (TL) Number00008
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 31.23
Where the material sample would have been placed if not sampled

Test Details

DIME Sample ID: 2025-04-16-58
DIME Test ID: 2025-04-16-58-1
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: 2025-05-05

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: 04/24/2025
Minimum soil resistance of the lab measurement: 4100 Ohms
Soil sample temperature: 20 C
Soil box constant: 1
pH of soil: 7.37
Minimum soil resistance corrected to 15.5: 4561.25 Ohm-cm
Minimum soil resistivity at 15.5: 4561 Ohm-cm
General comments (publicly viewable) (Max 1000 characters): pH=7.37, p=4561.Ω∙cm

Test was verified on 5/5/2025