Summary for Test 2025-10-08-68-5

Test performed: ASTM D2487-17

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
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 testing10/09/2025
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: 2025-10-08-68-5
Testing Lab: CT D02 - Redding Northern Regional Laboratory
Test Method: ASTM D2487-17: Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System)
Test Release Date: 2025-10-29

Test Results


Units for Particle Size: millimeters
Input Type: Measured
Tester's full name: Colt Sweeny
Date of test: 10/28/2025
Percentage of plus 3-in. (75-mm) material: 0 %
Maximum particle size: 37.5 millimeters
Fines classification: no data
Percent fines: 63 %
Percent sand: 24 %
Percent gravel: 13 %
Liquid limit: 35
Plasticity Index: 16
Is soil fine-grained or coarse-grained?: fine-grained
Fine-grained soil classification: no data
Inorganic clay classification: lean clay - CL
Inorganic silt classification: no data
Organic fine-grained soil classification: no data
Any descriptors added to fine-grained soil classification?: no data
Coarse-grained soil classification: no data
Particle-size diameter at 10% passing (D10): 0.0107 millimeters
Particle-size diameter at 30% passing (D30): 0.032 millimeters
Particle-size diameter at 60% passing (D60): 0.07 millimeters
Gravel classification: no data
Sand classification: no data
Any descriptors added to coarse-grained soil classification?: no data
Did field sample contain cobbles or boulders?: no data
Coarse-grained soil dual classification: A sandy lean clay, s(CL)
Descriptive information: no data
Coefficient of uniformity (Cu): 6.542
Coefficient of curvature (Cc): 1.367
General comments (publicly viewable) (Max 1000 characters):

Test was verified on 10/29/2025