DIME - Test Summary

Summary for Test 2025-10-22-64-7

Test performed: ASTM D2487-17

Project Identifiers	Project ID: 1001798 DEA: 024J7304 EFIS: 0223000066
DIST-CO-RTE-PM	02-SIS-89-24.4/25.1
Award Date	Not set
Closeout Date	Not set
Work Description	McCloud Intersection Safety - Intersection improvements
Location Description	In Siskiyou County at and near McCloud from East Minnesota Avenue to Modoc Avenue
QA Service Level	1 (Verified on 10/30/2025)

Sample Taken Date	10/22/2025	Sample Unique Key	64
Date that the sample was received by the laboratory/organization performing the testing	10/23/2025	Sample type	Preliminary
A brief description of the sample	2 Bags 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	Derek
Last name of sampler or witnessed by	Serna	Title of sampler	MREA
Telephone number of sampler		Laboratory sample identification	D80104
Linked DIME Sample ID		The fabricator/manufacturer/facility name	District 2 Lab
Transportation Laboratory (TL) Number	845676	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 at PM 25.0, SIS 89
Where the material sample would have been placed if not sampled

DIME Sample ID: 2025-10-22-64

DIME Test ID: 2025-10-22-64-7

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: 2025-12-01

Units for Particle Size: millimeters

Input Type: Measured

Tester's full name: Colt Sweeny

Date of test: 12/01/2025

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

Maximum particle size: 12.5 millimeters

Fines classification: Silty

Percent fines: 16 %

Percent sand: 73 %

Percent gravel: 11 %

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): 0.0422 millimeters

Particle-size diameter at 30% passing (D30): 0.229 millimeters

Particle-size diameter at 60% passing (D60): 1.14 millimeters

Gravel classification: silty

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): 27.014

Coefficient of curvature (Cc): 1.09

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

Test was verified on 12/1/2025 ✔