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Sample Record for 2025-03-10-70

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Project Information

Project ID: 1000855 DEA: 021J3104 EFIS: 0220000057 QA Service Level: 1
DIST-CO-RTE-PM: 02-SHA-44-R26.8/71.38
Work Description: Shingle Station Paving and Drainage.
Location Description: In Shasta County at various locations from 0.3 mile east of Shingletown Ridge Road to Lassen County Line.
Contractor Name: Unknown
Contractor Address: Unknown
Resident Engineer: Unknown Structure Rep.: Unknown

Sample Information

DIME Sample ID: 2025-03-10-70
TL Number from the TL Form:
Sample Submitted By Organization: CT D02 - Redding Northern Regional Laboratory
Sample Organization Contact: (530) 225-3194
Type of Sample: Preliminary
Type of Material: Soil
Sample Taken Date: 03/10/2025
Date that the sample was received by the laboratory/organization performing the testing: 03/12/2025
The quantity of what the sample constitutes: 1 container for culvert recommendation C-35
A brief description of the sample: Sand, Silt, Rock, and Soil
From where was the sample collected: Source
Laboratory sample identification: D79829
Structure unique identifier:
Structure name:
The fabricator/manufacturer/facility name: In Situ

Material Information

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 collected: Shoulder at Outlet PM 70.03
Where the material sample would have been placed if not sampled:
Test results on following page(s): 4

Test Results

Test 1 of 4

DIME Test ID: 2025-03-10-70-1
Test Method: CTM 643-April 2020: Method for Test for Laboratory Resistivity and pH for Soil and Water
Verified Date: 04/02/2025
Date Tested: 04/01/2025
Submitted By Organization: CT D02 - Redding Northern Regional Laboratory
Organization Address: 1657 Riverside Drive,
Organization City: Redding
Organization State: CA
Organization Zipcode: 96001
Organization Email: ward.jenkins@dot.ca.gov
Organization Phone: 530-225-3194
General Comments for this Test: pH=6.68, p=1489.Ω∙cm
Test Result Compliance: not applicable
Additional Comments When Verified:
Minimum soil resistance corrected to 15.5 1488.5 Ohm-cm
Minimum soil resistivity at 15.5 1489 Ohm-cm
Minimum soil resistance of the lab measurement 1300 Ohms
Soil sample temperature 21.3 C
pH of soil 6.68

Test 2 of 4

DIME Test ID: 2025-03-10-70-2
Test Method: CTM 417-June 2014: Method of Testing Soils and Waters for Sulfate Content
Verified Date: 05/06/2025
Date Tested: 05/05/2025
Submitted By Organization: CT D02 - Redding Northern Regional Laboratory
Organization Address: 1657 Riverside Drive,
Organization City: Redding
Organization State: CA
Organization Zipcode: 96001
Organization Email: ward.jenkins@dot.ca.gov
Organization Phone: 530-225-3194
General Comments for this Test: Sulfate=11ppm
Test Result Compliance: not applicable
Additional Comments When Verified:
Material type Soils
Amount of the analyte in the sample 11

Test 3 of 4

DIME Test ID: 2025-03-10-70-3
Test Method: CTM 422-June 2014: Method of Testing Soils and Waters for Chloride Content
Verified Date: 05/06/2025
Date Tested: 05/05/2025
Submitted By Organization: CT D02 - Redding Northern Regional Laboratory
Organization Address: 1657 Riverside Drive,
Organization City: Redding
Organization State: CA
Organization Zipcode: 96001
Organization Email: ward.jenkins@dot.ca.gov
Organization Phone: 530-225-3194
General Comments for this Test: Chloride=56ppm
Test Result Compliance: not applicable
Additional Comments When Verified:
Material type Soils
Amount of the analyte in the sample 56

Test 4 of 4

DIME Test ID: 2025-03-10-70-4
Test Method: CTM 643-April 2020: Method for Test for Laboratory Resistivity and pH for Soil and Water
Verified Date: 05/06/2025
Date Tested: 05/05/2025
Submitted By Organization: CT D02 - Redding Northern Regional Laboratory
Organization Address: 1657 Riverside Drive,
Organization City: Redding
Organization State: CA
Organization Zipcode: 96001
Organization Email: ward.jenkins@dot.ca.gov
Organization Phone: 530-225-3194
General Comments for this Test: Test preformed by Corrosion Lab
Test Result Compliance: not applicable
Additional Comments When Verified:
Minimum soil resistance corrected to 15.5 1330 Ohm-cm
Minimum soil resistivity at 15.5 1330 Ohm-cm
Minimum soil resistance of the lab measurement 1330 Ohms
Soil sample temperature 15.5 C
pH of soil 5.89