BERKELEY ANALYTICAL ASSOCIATES, LLC PRODUCT VOC EMISSION TEST RESULTS

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1 BERKELEY ANALYTICAL ASSOCIATES, LLC 815 Harbor Way South, Suite 6 Richmond, CA Ph ; Fax baalab@berkeleyanalytical.com PRODUCT VOC EMISSION TEST RESULTS Report Certification Report Number & Date: A Protocol: Chamber test, Section Original Specimen ID: (if recalculation) Certified By: Raja Tannous, Director Signature Date signature on file Client Information Client: City/Sate/Country: Contact name/title: Roppe Holding Company Fostorio, OH USA Indi Chopra, Director of Technology Phone number: Manufacturer Information Manufacturing company: Product name: Roppe Corporation Rubber Safe T Cork Tile Product category: Resilient Tile Flooring (09651) Product subcategory: Manufacturer ID: Rubber Tile Flooring Date manufactured: 10/12/2005 Date collected: 10/12/2005 Date shipped: 10/13/2005 Sample/Specimen Information Date received: 10/14/2005 Specimen ID (Lab tracking No.): A Specimen preparation: Conditioning period start & duration: Test period start & duration: Taped to Stainless Steel Plate 10/14/2005, 10 days 10/24/2005, 96 hours A Berkeley Analytical Associates, LLC. Do not reproduce except in full

2 Protocol -- Emission tests are performed following the revised and updated indoor air quality portion of California s Special Environmental Requirements, Specifications Section This document, Standard Practice for the Testing of Volatile Organic Emissions from Various Sources Using Small-Scale Environmental Chambers, CA/DHS/EHLB/R-174, 07/15/04, is accessible at Project-Specific results are calculated as described in the Section document accessible at the Collaborative for High Performance Schools (CHPS) program ( Table 1. Chamber Conditions for 96-h test period Parameter Symbol Units Value Product exposed area Ac m Chamber volume V c Loading ratio L c m 2 m Inlet air flow rate Q m 3 h Ventilation rate a c 1.00 Temperature C 22.7 Relative humidity % 47.9 m 3 h -1 Table 2. Parameters used to calculate building VOC concentrations Bldg. Component/ Material Floor - Floor Covering (any) Parameter Symbol Units Buidling Type* Product exposed area Building volume Ceiling height AB VB m 2 m 3 m Loading ratio L B m 2 m Ventilation rate a h -1 B 0.90 Ventilation vol. fraction Vf B 0.90 Vent. flow rate per area ( m 3 h -1 )/ m Product exposed area Building volume Ceiling height Loading ratio AB VB L B m 2 m 3 m m 3 m 2 h -1 Standard Office Spac Ventilation rate ab 0.75 Ventilation vol. fraction Vent. flow rate per area Vf B ( m 3 h -1 )/ m * Standard building types are: (1) School classroom defined in Table 7.4, CA/DHS/EHLB/R-174, 07/15/04; (2) Office space (individual) defined in Table 7.5, CA/DHS/EHLB/R-174, 07/15/04; and (3) Large office building with volume ceiling height from East End Project, Products Passed Section 01350, Calif. Integrated Waste Management Board. For floor products ceiling panels, 100% coverage is assumed. For wall paint and wallcoverings, exposed area is wall paint area for the building ( A Berkeley Analytical Associates, LLC. Do not reproduce except in full

3 Table 3. Pass/fail results of emission test for identified VOCs with chronic RELs Substance (Only VOCs detected above quantitation limits are reported. If no VOCs are listed in Table 3, the product passes the Section VOC emission requirements) CAS No. ½ REL* µg m -3 Building Type Acetaldehyde Pass Styrene Pass Standard Office Space Acetaldehyde Pass Styrene Pass * The passing level for formaldehyde is ½ the interim Indoor REL (IREL) of 33 (µg per cubic meter) developed by Calif. Office of Environmental Health Hazard Assessment (Refer to CA/DHS/EHLB/R-174, 07/15/04). The passing level for acetaldehyde is the full chronic REL of 9.0 (µg per cubic meter) as specified in: A Berkeley Analytical Associates, LLC. Do not reproduce except in full

4 Table 4. List of emitted VOCs* (Only VOCs detected above quantitation limits are reported. Individual VOCs with chronic RELs and/or on other lists of toxicants are shown first, followed by unlisted abundant compounds) Substance CAS No. Surrogate? Chronic REL µg m -3 CARB TAC Category Prop 65 List? Styrene T-IIa Acetaldehyde T-IIa Yes Benzothiazole Unidentified compound Branched alkene hydrocarbon Yes Yes 1-Propene, 2-methyl-tetramer Yes * Parameters are defined in Table 8

5 Table 5. Emission Test Results for Individual VOCs* Substance 96-h Chamber Concentration Emission Factor Building Concentration µg m -3 µg m -2 h -1 µg m -3 Acetaldehyde Styrene Unidentified compound Branched alkene hydrocarbon Propene, 2-methyl-tetramer Branched alkene hydrocarbon Branched alkene hydrocarbon Benzothiazole Substance 96-h Chamber Concentration Emission Factor Building Concentration µg m -3 µg m -2 h -1 µg m -3 Standard Office Space Acetaldehyde Styrene Unidentified compound Branched alkene hydrocarbon Propene, 2-methyl-tetramer Branched alkene hydrocarbon Branched alkene hydrocarbon Benzothiazole * Parameters and reported values are defined and explained in Table 8

6 Table 6. TVOC Chamber & Building Concentrations for Different Test Periods Test Duration Chamber Conc. Emission Factor Building Conc. µg m -3 µg m -2 h -1 µg m h 48-h 96-h Standard Office Space 24-h 48-h 96-h Table 7. Formaldehyde Chamber & Building Concentrations for Different Test Periods Test Duration Chamber Conc. Emission Factor Building Conc. µg m -3 µg m -2 h -1 µg m h 48-h 96-h Standard Office Space 24-h 48-h 96-h

7 Table 8. Definition of Parameters and Notes to Tables Parameter/Value CAS No. Surrogate? Chronic REL CARB TAC Cat. Prop 65 List? Definition Chemical Abstract Service identification number Yes indicates compound was quantified by GC/MS total-ion-current (TIC) method using toluene as calibration reference Chronic Reference Exposure Level (REL) established by Calif. Office of Environmental Health Hazard Assessment, Feb and adopted by Section as target IAQ limit for building; for formaldehyde, IAQ limit is interim Indoor REL of 33 µg m -3. No product may contribute more than ½ IAQ limit for an REL compound, with the exception of acetaldehyde for which the full REL is allowed. Toxic Air Contaminant (TAC) on Calif. Air Resources Board list, Dec. 1999, with toxic category indicated Yes indicates compound is chemical known to cause cancer or reproductive toxicity listed by Calif. Safe Drinking Water and Toxic Enforcement Act of 1986 (Proposition 65), Mar h Chamber Conc. Measured chamber VOC concentration at 96-h time point minus any analytical blank or blank concentration for empty chamber operated following same procedure. Lower limit of quantitation (LOQ) for individual VOCs on lists of toxicants is 2 µg m -3, based on a 2 ng limit for a 1-liter sample. LOQ for TVOC is 20 µg m -3. LOQ for formaldehyde and acetaldehyde is given below Emission Factor Classroom/Office/Office Bldg. Conc. TVOC Formaldehyde & acetaldehyde Individual VOCs Mass of compound emitted per square meter of exposed surface per hour (calculations shown below). Reporting limits for emission factors are established by LOQ or reporting limit for chamber concentration and specimen s exposed surface area Concentrations for school classroom, small office (individual), large office building, or specific project building calculated using parameters given in Table 2 (calculations shown below) Total Volatile Organic Compounds quantified by GC/MS TIC method using toluene as calibration reference Volatile aldehydes quantified by HPLC following ASTM Method D LOQ for formaldehyde and acetaldehyde is ~1 µg m -3 Quantified by thermal desorption GC/MS following EPA Methods TO-1 and TO-17. Compounds are quantified using multipoint calibrations prepared with pure substances unless otherwise indicated (see Surrogate?). VOCs with chronic RELs are listed first, followed by other TAC and Prop. 65 compounds. Additional abundant VOCs at or above reporting limit of 5 µg m -3 are listed last. VOCs are listed in order of decreasing volatility within each group < Less than concentrations established by LOQ HC Hydrocarbon compound LQ Indicates calculated value is below quantitation based on concentration LOQ na Not applicable

8 Equations Used in Calculations An emission factor (EF) in µg m -2 h-1 for a chamber test is calculated using Equation 1: EF = (Q (C - Co)) / A C (1) where C is the VOC chamber concentration (µg m -3 ) and Co is the substrate or chamber blank VOC concentration (µg m -3 ). The remaining parameters are defined in Table 1. A building concentration (C B ) in µg m -3 is calculated using Equation 2 and parameters defined in Table 2. C B = (EF * A B ) / (V B * vf B * a B ) (2) Comments END OF REPORT