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ASTM C33 TESTING OF COARSE AGGREGATE

Client: Sierra Ready Mix. Inc. 4150 Smiley Rd. North Las Vegas. Nevada 89081

MATE RIALS TEST! NG

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Date Sampled: Attn: Brandon Smilhe:r: Sampled By: Material Description: Client No: Lab No: #89 Coarse Concrete Aggregate L10019-1 2475 Supplier: Source: Location:

4/15/2010

Client Sierra Ready Mix. Inc. Stockpile - Sierra Ready Mix Jean. Nevada Quarrv Jean. Nevada

Sieve Analysis ASTM C136 Percent ASTM C33 Sieve Size Passing Specification Specific Gravity - ASTM C127 6" 4" 3112" 3"

21/2"

Test Results

Spec.

Bulk Specific Gravity Bulk Specific Gravity (SSD) Apparent Specific Gravity Absorption % Drv-Rodded Unit Weight - ASTM C29 PCF Clay Lumps and Friable Particles - ASTM C142 % LiQhtweiQht Particles {Material LiQhter Than 2.0 SP. Gr.l- ASTM C123 % Lightweight Particles (Coal and Lignite) - ASTM C123 % Cleanness Value - calif T227 100 94 46 11 3 1 0 0 Comments: 0.3 0-1.0 · 0-5 100 90-100 20-55 5·30 0-10 Sodium Sulfate Soundness - ASTM C88 Weighted % Loss Los Angeles Abrasion - ASTM C131 (Grading C)

@ @

2.56 2.60 2.65 1.3 100.2 0.1 0.0 0.0

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2" 1 112" 1"

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-12Max

314"

112" 3/8"

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1

#4 #8 #16 # 30 # 50 # 100 # 200

100 Revolutions % Loss 500 Revolutions % Loss

7

29

-50 Max

Potential Reactivity - ASTM C289 (Chemical Method) Rc mmollL Sc mmoll L (Average of 3 Replicates)

Innocuous 127 22.86

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· Refer to Footnote C of ASTM C33. " Based on the intended use of the concrete (Refer to ASTM C33 Table 3).

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4280 W. Windmill Ln., Suite 109 · Las Vegas, NV 89139 · Tel. 702.260.1 391 · Fax 702.260.3921

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