1.1 This specification covers refined phthalic anhydride-1308.
1.2 Consult current OSHA regulations, supplier's Material Safety Data Sheets, and local regulations regarding all material used in this specification.
1.3 The following applies to all specified limits in this specification: for purposes of determining conformance with this specification, an observed value or a calculated value shall be rounded off "to the nearest unit" in the last right-hand digit used in expressing the specification limit, in accordance with the rounding-off method of Practice E29.
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