DIME - Test Summary

Summary for Test 2026-07-22-87-6

Test performed: ASTM D2487-17

Project Identifiers	Project ID: 1002609 DEA: 023H9504 EFIS: 0218000057
DIST-CO-RTE-PM	02-PLU-89-0/8.71
Award Date	Not set
Closeout Date	Not set
Work Description	Graeagle CAPM - Pavement preservation
Location Description	In Plumas County in and near Graeagle from Sierra County Line to Route 70.
QA Service Level	1 (Verified on 09/02/2026)

Sample Taken Date	07/22/2026	Sample Unique Key	87
Date that the sample was received by the laboratory/organization performing the testing	07/22/2026	Sample type	Preliminary
A brief description of the sample	2 Bags Sand Silt Rock and Soil	The quantity of what the sample constitutes	2 Bags
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	D80305
Linked DIME Sample ID		The fabricator/manufacturer/facility name	D2 Mat Lab
Transportation Laboratory (TL) Number	003	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	Hwy 89, Shoulder Slope near PM 8.0
Where the material sample would have been placed if not sampled

DIME Sample ID: 2026-07-22-87

DIME Test ID: 2026-07-22-87-6

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: 2026-09-08

Units for Particle Size: millimeters

Input Type: Measured

Tester's full name: Josh Murphy

Date of test: 08/12/2026

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

Maximum particle size: 50 millimeters

Fines classification: Silty

Percent fines: 14 %

Percent sand: 49 %

Percent gravel: 37 %

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: no data

Particle-size diameter at 10% passing (D10): 0.0515 millimeters

Particle-size diameter at 30% passing (D30): 0.261 millimeters

Particle-size diameter at 60% passing (D60): 3.8 millimeters

Gravel classification: no data

Sand classification: silty sand - SM; silty

Any descriptors added to coarse-grained soil classification?: "with gravel"

Did field sample contain cobbles or boulders?: no data

Coarse-grained soil dual classification: Silty sand with gravel, (SM)g

Descriptive information: no data

Coefficient of uniformity (Cu): 73.786

Coefficient of curvature (Cc): 0.348

General comments (publicly viewable) (Max 1000 characters): Silty sand with gravel, (SM)g

Test was verified on 9/8/2026 ✔