DIME - Test Summary

Summary for Test 2026-03-26-53-5

Test performed: ASTM D2487-17

Project Identifiers	Project ID: 1002109 DEA: 022J7404 EFIS: 0221000130
DIST-CO-RTE-PM	02-LAS-36-16.7/22.4
Award Date	Not set
Closeout Date	Not set
Work Description	Susan River Pavement - Roadway Rehabilitation (3R)
Location Description	In Lassen County about 8 miles west of Susanville from 0.7 mile west of Susan River Bridge to 0.4 mile east of Eagle Lake Road.
QA Service Level	1 (Verified on 04/16/2026)

Sample Taken Date	03/26/2026	Sample Unique Key	53
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 testing	03/27/2026
Sample type	Preliminary	A brief description of the sample	2 Bags Sand Silt Rock and Soil
The quantity of what the sample constitutes	Structural Section Recommendation	From where was the sample collected	Source
First name of sampler or witnessed by	Colt	Last name of sampler or witnessed by	Sweeny
Title of sampler	MREA	Telephone number of sampler
Laboratory sample identification	D80166	Linked DIME Sample ID
The fabricator/manufacturer/facility name	District 2 Lab	Transportation Laboratory (TL) Number
Inspector Lot Number from the Transportation Laboratory (TL) Form		Structure unique identifier
Structure name		Bid Item	Not set

Material Type	Soil	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 Slope near PM 18.0
Where the material sample would have been placed if not sampled

DIME Sample ID: 2026-03-26-53

DIME Test ID: 2026-03-26-53-5

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: 2026-04-23

Units for Particle Size: millimeters

Input Type: Measured

Tester's full name: Colt Sweeny

Date of test: 04/22/2026

Percentage of plus 3-in. (75-mm) material: 0 %

Maximum particle size: 9.5 millimeters

Fines classification: Silty

Percent fines: 26 %

Percent sand: 66 %

Percent gravel: 8 %

Liquid limit: 0

Plasticity Index: 0

Is soil fine-grained or coarse-grained?: coarse-grained

Fine-grained soil classification: no data

Inorganic clay classification: no data

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: sand

Particle-size diameter at 10% passing (D10): 0.0259 millimeters

Particle-size diameter at 30% passing (D30): 0.0968 millimeters

Particle-size diameter at 60% passing (D60): 1.225 millimeters

Gravel classification: no data

Sand classification: silty sand - SM; silty

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 silty sand, (SM)

Descriptive information: no data

Coefficient of uniformity (Cu): 47.297

Coefficient of curvature (Cc): 0.295

General comments (publicly viewable) (Max 1000 characters): A silty sand, (SM)

Test was verified on 4/23/2026 ✔