Test 2021-10-12-23-1 (CTM 643-April 2020) Summary

Project Information
Project IdentifiersProject ID: 993339
DEA: 024H9304
EFIS: 0219000027
DIST-CO-RTE-PM02-SHA-299-44.3/44.9
Work DescriptionIngot Curve Improvement - Curve Imrovement
Location DescriptionIn Shasta County near Ingot from 2.7 miles east of Seamans Gulch Road to 1.2 miles west of Du Bois Road.
Sample Information
Sample Taken Date10/12/2021 Sample Unique Key23
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 testing10/12/2021
Sample typePreliminary A brief description of the sampleWater
The quantity of what the sample constitutesWater flowing through foundation of gabion wall From where was the sample collectedJob Site
First name of sampler or witnessed byScott Last name of sampler or witnessed byLewis
Title of samplerEngineering Geologist Laboratory sample identificationD78956
The fabricator/manufacturer/facility nameNot applicable Transportation Laboratory (TL) Number876430
Inspector Lot Number from the Transportation Laboratory (TL) Form Structure unique identifier
Structure name
Material Information
Material TypeWater Sample is potable waterNo
A detailed description of where the material sample was collectedDrilled boring hole PP-20-001
Test Details
DIME Sample ID: 2021-10-12-23
DIME Test ID: 2021-10-12-23-1
Testing Lab: CT D02 - North Region Materials Lab
Test Method: CTM 643-April 2020: Method for Test for Laboratory Resistivity and pH for Soil and Water
Test Release Date: 2021-10-21
Test Results

The test method used?: Laboratory Resistivity Test for Water
Input Type: Measured
Tester's full name: Terry McCormick
Date of test: 10/12/2021
Water resistance: 1700 Ohms
Water sample temperature: 22.5 C
Soil box constant: 1
pH of water: 7.16
Water sample resistance corrected to 15.5: 1997.50 Ohm-cm
Resistivity of water at 15.5:1998 Ohm-cm
General comments (publicly viewable) (Max 1000 characters): Tested within 1 hour of being delivered to lab.

Test was verified on 10/21/2021