Summary for Test 2025-10-08-68-4

Test performed: CTM 643-April 2020

Project Information

Project IdentifiersProject ID: 1001797
DEA: 021K4704
EFIS: 0224000113
DIST-CO-RTE-PM02-TEH-99-13.4/13.9
Award Date04/10/2029
Closeout DateNot set
Work DescriptionButler Taft Safety - Extend existing TWLTL
Location DescriptionIn Tehama County near Los Molinos form 0.1 Mile South of Butler Street to 0.3 Mile North of Taft Street
QA Service Level1 (Verified on 10/28/2025)

Sample Information

Sample Taken Date10/08/2025 Sample Unique Key68
Date that the sample was received by the laboratory/organization performing the testing10/09/2025 Sample typePreliminary
A brief description of the sample2 Bags of Sand Silt Rock and Soil The quantity of what the sample constitutesStructural Section Recommendation
From where was the sample collectedSource First name of sampler or witnessed byDerek
Last name of sampler or witnessed bySerna Title of samplerMREA
Telephone number of sampler Laboratory sample identificationD80080
Linked DIME Sample ID The fabricator/manufacturer/facility nameDistrict 2 Lab
Transportation Laboratory (TL) Number897621 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 collected02-TEH-99 PM 13.8
Where the material sample would have been placed if not sampled

Test Details

DIME Sample ID: 2025-10-08-68
DIME Test ID: 2025-10-08-68-4
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: 2025-10-29

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: 10/15/2025
Minimum soil resistance of the lab measurement: 2500 Ohms
Soil sample temperature: 21.3 C
Soil box constant: 1
pH of soil: 6.60
Minimum soil resistance corrected to 15.5: 2862.5 Ohm-cm
Minimum soil resistivity at 15.5: 2863 Ohm-cm
General comments (publicly viewable) (Max 1000 characters): pH=6.60, p=2863.Ω∙cm

Test was verified on 10/29/2025 ✔