40 CFR § 98.455 - Procedures for estimating missing data.
---
identifier: "/us/cfr/t40/s98.455"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 98.455 - Procedures for estimating missing data."
title_number: 40
title_name: "Protection of Environment"
section_number: "98.455"
section_name: "Procedures for estimating missing data."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "98"
part_name: "MANDATORY GREENHOUSE GAS REPORTING"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401-7671q."
regulatory_source: "74 FR 56374, Oct. 30, 2009, unless otherwise noted."
cfr_part: "98"
---
# 98.455 Procedures for estimating missing data.
A complete record of all measured parameters used in the GHG emissions calculations is required. Replace missing data, if needed, based on data from similar manufacturing operations, and from similar equipment testing and decommissioning activities for which data are available.