Summary for Test 2026-07-22-55-1

Test performed: CTM 643-April 2020

Project Information

Project IdentifiersProject ID: 993331
DEA: 023H6904
EFIS: 0218000010
DIST-CO-RTE-PM02-PLU-89-30/R42.1
Award Date11/21/2024
Closeout DateNot set
Work DescriptionALMANOR WEST REHAB - ROADWAY REHABILITATION
Location DescriptionIN PLUMAS COUNTY NEAR CANYON DAM FROM LAKE ALMANOR SPILLWAY TO ROUTE 36.
QA Service Level1 (Verified on 10/14/2021)

Sample Information

Sample Taken Date07/22/2026 Sample Unique Key55
Date that the sample was received by the laboratory/organization performing the testing07/23/2026 Sample typePreliminary
A brief description of the sampleSand, Silt, Rock, and Soil The quantity of what the sample constitutes1 Container Sand, Silt, Rock and Soil
From where was the sample collectedSource First name of sampler or witnessed byColt
Last name of sampler or witnessed bySweeny Title of samplerMREA
Telephone number of sampler Laboratory sample identificationD80304
Linked DIME Sample ID The fabricator/manufacturer/facility nameD2 Mat Lab
Transportation Laboratory (TL) Number002 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 outlet PM 4.0, PLU-89.
Where the material sample would have been placed if not sampled

Test Details

DIME Sample ID: 2026-07-22-55
DIME Test ID: 2026-07-22-55-1
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: 2026-08-04

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: 08/03/2026
Minimum soil resistance of the lab measurement: 7700 Ohms
Soil sample temperature: 19 C
Soil box constant: 1
pH of soil: 6.31
Minimum soil resistance corrected to 15.5: 8373.75 Ohm-cm
Minimum soil resistivity at 15.5: 8374 Ohm-cm
General comments (publicly viewable) (Max 1000 characters): pH=6.31, p=8374.Ω∙cm

Test was verified on 8/4/2026 ✔