Summary for Test 2020-09-23-40-1

Test performed: CTM 643-April 2020

Project Information

Project IdentifiersProject ID: 215313
DEA: 044Q3200
EFIS: 0419000376
DIST-CO-RTE-PM04-MRN-37-11.2/13.7
Award Date03/31/2027
Closeout DateNot set
Work DescriptionMRN 37 SUSTAINABILITY LONG LEAD PROJECT
Location DescriptionNot set
QA Service Level1 (Verified on 11/09/2020)

Sample Information

Sample Taken Date09/23/2020 Sample Unique Key40
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 testing11/18/2020
Sample typePer Request A brief description of the samplesoil
The quantity of what the sample constitutes1 baggie From where was the sample collectedJob Site
First name of sampler or witnessed byHunter Last name of sampler or witnessed byRingrose
Title of samplerTransportation Engineer Telephone number of sampler510-286-4811
Laboratory sample identificationCR20200497 Linked DIME Sample ID
The fabricator/manufacturer/facility nameCaltrans Transportation Laboratory (TL) NumberCHR0016
Inspector Lot Number from the Transportation Laboratory (TL) Form Structure unique identifier04-SON-037, PM 0.0-3.9
Structure nameWestbound SR37

Material Information

Material TypeSoil The fabricator's/manufacturer's product name for the sampleSoil RW-20-007
The fabricator/manufacturer designation for the sampleFoundation investigation A detailed description of where the material sample was collected5-6.5 feet depth
Where the material sample would have been placed if not sampled

Test Details

DIME Sample ID: 2020-09-23-40
DIME Test ID: 2020-09-23-40-1
Testing Lab: Wood
Test Method: CTM 643-April 2020: Method for Test for Laboratory Resistivity and pH for Soil and Water
Test Release Date: 2020-12-01

Test Results


The test method used?: Laboratory Resistivity Test for Soil (pH and Resistivity)
Input Type: Calculated
Tester's full name: Michael Gibson
Date of test: 11/30/2020
Minimum soil resistance of the lab measurement: 220 Ohms
Soil sample temperature: 21.7 C
Soil box constant: 1
pH of soil: 6.18
Minimum soil resistance corrected to 15.5: 254.00 Ohm-cm
Minimum soil resistivity at 15.5: 254 Ohm-cm
General comments (publicly viewable) (Max 1000 characters):

Test was verified on 12/1/2020