1.1 This specification covers acetaldehyde (99 % grade).
1.2 The following applies to all specified limits in this standard; for purposes of determining conformance with this standard, 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 E 29.
1.3 For specific hazard information and guidance, see the supplier's Material Safety Data Sheet for materials listed in this specification.
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