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ASTM-E1333:2010 Edition

ASTM-E1333:2010 Edition

$44.96

E1333-10 Standard Test Method for Determining Formaldehyde Concentrations in Air and Emission Rates from Wood Products Using a Large Chamber

Published By Publication Date Number of Pages
ASTM 2010 13
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1.1 This test method measures the formaldehyde concentration in air and emission rate from wood products containing formaldehyde under conditions designed to simulate product use (see 11.5 and Note 9). The concentration in air and emission rate is determined in a large chamber under specific test conditions of temperature and relative humidity. The general procedures are also intended for testing product combinations at product-loading ratios and at air-exchange rates typical of the indoor environment (1) . The products tested, the loading ratios and the air exchange rates employed are described in the test report.

1.2 This test method determines the average formaldehyde concentration in air and emission rate from a number of large size samples. The average concentration and emission rate reported, thus, will not provide information on higher or lower emitting panels in the test lot.

1.3 This method is primarily used for testing newly manufactured panel products that are shipped for testing either seal-wrapped in polyethylene or with waster sheets, or with both. When this test method is used for evaluating other than newly manufactured panel products (after original application, installation or use), the method of packaging and shipping the product for testing shall be described in the test report.

1.4 The quantity of formaldehyde in the air sample taken from the chamber is determined by an adaptation of the National Institute for Occupational Safety and Health (NIOSH) chromotropic acid test procedure. If another analytical procedure is used to determine the quantity of formaldehyde in the air sample, that procedure shall give results of equivalent or greater accuracy and precision than the adapted chromotropic acid procedure. Detailed procedures based on acetylacetone, pararosaniline (see Test Method ), 2,4-dinitrophenylhydrazine (DNPH) (see Test Method D5197 ) and 3-methyl-2-benzothiazoline (MBTH) (see Test Method D5014 ) have been found to give results equivalent or greater in accuracy and precision than chromotropic acid. The test report shall note the analytical procedure employed.

Note 1 The chromotropic acid analytical procedure described in this test method is applicable for testing urea-formaldehyde bonded wood products. According to NIOSH (4th Edition, 8/15/94), the low end of the working range for the chromotropic acid analytical procedure is 0.02 ppm. A more sensitive analytical procedure is recommended for testing wood panel products where formaldehyde concentrations in air are anticipated to be at or below this level. DNPH is recognized as such a method.

1.5 This test method is used to determine compliance with requirements such as those established for building materials by the U.S. Department of Housing and Urban Development (HUD) Rules and Regulations, HUD 24 CFR 3280, for manufactured housing and by Minnesota Statutes Section 144.495. Measurement results are also used for comparing concentrations in air and emission rates from different wood products (2) and for determining compliance with product standards.

1.6 This test method is not designed for determining general organic emissions from all indoor materials and products.

Note 2ASTM Committee D22 has developed Guide D5116 which describes small-scale environmental equipment and techniques suitable for determining organic emissions and emission rates from materials and products used indoors.

1.7 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.

1.8 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Section 7.

PDF Catalog

PDF Pages PDF Title
1 Scope
2 Referenced Documents
Terminology
Significance and Summary of Test Method
Interferences
Apparatus
3 Hazards
Test Specimens
4 Sample Material Shipping and Specimen Conditioning
Procedure
5 Calculation
Report
6 Precision and Bias
Keywords
A1. TEMPERATURE CONVERSION FACTORS FOR FORMALDEHYDE
A1.1
TABLE A1.1
7 A2. RELATIVE HUMIDITY CONVERSION FACTORS FOR FORMALDEHYDE
A2.1
A3. STANDARD SOLUTIONS A AND B
A3.1 Standardization of Formaldehyde Standard Solution A (1.0 mg/mL)
A3.2 Standard Solution B
A4. CALIBRATION CURVE
A4.1
A4.2
TABLE A2.1
8 A4.3
A4.4
A4.5
A4.6
A4.7
A4.8
A4.9
A4.10
9 X1. REAGENTS, MATERIALS, AND EQUIPMENT FOUND SUITABLE FOR USE
X1.1 Air-Sampling Apparatus
X1.2 Analytical Apparatus
X1.3 Reagents
10 X2. CHAMBER FORMALDEHYDE EMISSION MEASUREMENT VERIFICATION
X2.1 Listing of Variables Used for Calibration Preparation
X2.2 Chamber Validation Procedure
X2.3 Initial Preparation of Chamber Parameters, Measurements, and Solutions
11 X2.4 Calibration Test Protocol and Chamber Operating Procedure
X3. LARGE CHAMBER TEST LOADING RATIOS
X3.1 Loading Ratios Referenced in Federal and State Regulations
X3.2 Loading Rates Referenced in Voluntary Standards for Wood Products
FIG. X2.1
12 X3.3
X4. SHIPMENT OF TEST MATERIALS TO THE LABORATORY
X4.1
X4.2
REFERENCES

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