SGS U.S. Testing Company, Inc Mold Testing

Testing Of Concrete Treat To Determine Mold Resistance As A Sealer

Report No.: 166429-18
Date: May 6, 2002

Subject: Resistance to Mold Growth of Surface Coatings

Refeence: Letter

Sample Id:

One sample was received from the client on 3/11/02. The samples were received in good condition. The sample was applied to concrete for testing purposes.

Test Required:

The samples were tested in accordance with ASTM D 3273-94. The samples were placed in an environmental chamber at 90 degrees Fahrenheit and 90% R.H. (Relative Humidity) and suspended over potting soil that was inoculated with the following fungus:

  1. Aureobasidium Pulluans
  2. Aspergillus Niger
  3. Penicillium

The samples were exposed to this environment for 4 weeks.

Test Date: 3/23/02

Test Data: Ratings: 10 = No Growth, 0 = Sample Completely Covered
Sample Applied to Concrete

Front Side

Sample
  1 2 3
Week Rating
1 10 10 10
2 10 10 10
3 10 10 10
4 10 10 10

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Comments

Requirement: No sample shall differ more than 2 rating units.

Back Side

Sample
  1 2 3
Week Rating
1 10 10 10
2 10 10 10
3 10 10 10
4 10 10 10

Requirement: No sample shall differ more than 2 rating units.

Conclusion: No mold growth was observed on any of the specimens during the 4 week exposure period.

Testing Results Issued By:
Jeff Simmons, Dept. Manager/Project Evaluation
Dale E. Holloway, Tulsa Branch Director

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