OAR 340-272-0465: Review of Missing Data Substitution

(1) If a source selected for a data check was affected by a loss of data used for the reported data in the report or fuel pathway application, then the verification team must confirm that the reported data or reported emissions for that source were calculated: (a) Using any missing data procedures as required under OAR chapter 340, division 215 or OAR chapter 340, division 253, as applicable; and (b) That a reasonable temporary data collection procedure was used for the source; or (c) That DEQ approved an alternative method. (2) If a source selected for a data check was affected by a loss of data used for the reported data in the report or fuel pathway application, the verification team must note the date, time, and source of any missing data substitutions discovered during the course of verification in the verification report.