According to ASTM bylaws, standards must be reviewed, updated and voted upon every 8 years or else are left to “sunset,” becoming invalid. While the E1527 task group did have the option to make no changes to the standard and simply put it out for committee vote, the group believes that clarifying language in various sections of the standard would be helpful. It is important to note that none of the changes are intended to change the spirit of the standard that was written in 2005.
Some of the changes being proposed include:
- The term Migration has been added to the definitions sections. Within the definition, there is note of the ASTM E2600-10 vapor encroachment standard
- Clarifications to the Recognized Environmental Conditions (REC) definition along with the Historical REC definition. A new type of REC has also been added, the Controlled REC
- Enhanced descriptions of what is required of the User of the report, and why it is important
- Further explanation the requirements to review agency files when they might help to make REC determinations
There are also numerous of other editorial changes being proposed for the 2013 version. Following the balloting period, the task group will meet in Atlanta on October 23 during the semi-annual ASTM Committee Week meetings.
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