PM10 means particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers as measured by a reference method based on 40 CFR Part 50 Appendix J and designated in accordance with 40 CFR Part 53 or by an equivalent method designated in accordance with 40 CFR Part 53.
Y2 is the year, expressed as a number, in which the day immediately following the last day of the Interest Period falls;
CR means “credit” and is a symbol used to denote that a student received credit for at least satisfactory work in a course taken on a “credit-no credit basis” prior to the Fall 2009 term.
PM2.5 means particulate matter with an aerodynamic diameter less than or equal to a nominal 2.5 micrometers as measured by a reference method based on 40 CFR Part 50 Appendix L and designated in accordance with 40 CFR Part 53 or by an equivalent method designated in accordance with 40 CFR Part 53.
NOC means National Olympic Committee.