Test Report for: Cali Bamboo, LLC. ASTM D6007 (December 2014) Emissions Testing: Formaldehyde Analysis

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1 4700 Broadmoor SE, Suite 200 Kentwood, MI Telephone: Facsimile: P.O.: N.A. Page 1 of 6 Test Report for: Cali Bamboo, LLC ASTM D6007 (December 2014) Emissions Testing: Formaldehyde Analysis Material: GreenClaimed Premium+ Cork Underlayment Part Number: TAYLOR GEBBEN Project Engineer JESSE HARRIS Reviewer This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to permit copying or distribution of this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program Intertek

2 P.O.: N.A. Page 2 of 6 Attention: Ines Way Cali Bamboo, LLC 6675 Mesa Ridge Rd., Suite 100 San Diego, CA Phone: (760) iway@calibamboo.com DATE RECEIVED: 04/07/16 DATES TESTED: 04/11/16 04/19/16 DESCRIPTION OF SAMPLES: Product Name Product Category GreenClaimed Premium+ Cork Underlayment Flooring Insulation Product Number Date of Manufacture March 2016 Date of Shipment March 2016 Date Received by Lab 04/07/16 Sample Condition Lab Sample ID Good Condition GRR WORK REQUESTED / APPLICABLE DOCUMENTS: Formaldehyde Analysis: ASTM D6007 (December 2014) CONCLUSIONS: Formaldehyde Analysis: See detailed results herein. Disposition of Test Samples: At the completion of testing, samples were disposed of in a routine manner.

3 P.O.: N.A. Page 3 of 6 FORMALDEHYDE ANALYSIS Description of Samples: Product Name GreenClaimed Premium+ Cork Underlayment Product Category Flooring Insulation Product Number Date of Manufacture March 2016 Date of Shipment March 2016 Date Received by Lab 04/07/16 Sample Condition Good Condition Test Conditions: Dates Test Performed 04/11/16 04/19/16 Test Method ASTM D6007 (December 2014) Analysis Method ASTM D5197 (November 2009) Sample Conditioning 7 days uncovered at 23 C / 50%RH Chamber Temperature 25 ± 1 C Chamber Humidity 50 ± 3 %RH Fresh Air Flow Rate 0.87 ± L/min Testing Duration 20 ± 0.25 hours Number of Samples One (1) sample per material; one (1) total. Acceptance Criteria CARB Phase II: HWPW Emission Standard 0.05 ppm CARB Phase II: MDF Emission Standard 0.11 ppm Facilities and Equipment: Instrumentation Used: Column Used: Agilent 1260 Series HPLC Poroshell 120 EC-C18, 3x100 mm, 2.7µm Test Summary: The emission testing was performed according to ASTM D6007 (2014) Standard Test Method for Determining Formaldehyde Concentrations in Air from Wood Products Using a Small-Scale Chamber. The sample was prepared by first measuring the width and determining a corresponding length to satisfy the appropriate loading factor specified in the method. Once cut to the desired size, the sample was adhered to an aluminum plate using aluminized tape allowing only the finished product surface was exposed. A photograph of the samples is included herein. After the required 7 day preconditioning period, the sample was placed in the air chamber for 20 hours. Air samples were collected prior to the sample being placed in the chamber (0 hours) and a duplicate measurement at 20 hours. Air samples were collected on cartridges treated with 2,4-dinitrophenylhydrazine (DNPH). Collection was performed by passing 0.7 L/min of chamber air for a total of 30 L through the DNPH cartridge. Formaldehyde content was analyzed using high pressure liquid chromatography, HPLC.

4 P.O.: N.A. Page 4 of 6 FORMALDEHYDE ANALYSIS Table 1: Sample Size and Chamber Loading Sample No. Description Length (m) Width (m) Thickness (mm) Surface Area (m 2 ) Loading Factor (m 2 / m 3 ) Area Specific Flow Rate (m/h) 1 Cork Underlayment Table 2: Formaldehyde Emission Data Sample No. Description Blank Chamber Conc. Sample 1 Conc. Sample 2 Conc. Average Chamber Conc. 1 Cork Underlayment BDL* *Below Detection Limits Photo Documentation: Figure 1: Sample 1 in test chamber.

5 P.O.: N.A. Page 5 of 6 Chain of Custody

6 P.O.: N.A. Page 6 of 6 Revisions Made To Test Report Index Date Revision Description Revised by Reviewed by /20/16 Original report issued /21/16 Test conditions updated Taylor Gebben Taylor Gebben Jesse Harris Jesse Harris