40 CFR 98.205 - Procedures for estimating missing data.

§ 98.205 Procedures for estimating missing data.
(a) A complete record of all measured parameters used in the GHG emission calculations is required. Therefore, whenever a quality-assured value of a required parameter is unavailable, a substitute data value for the missing parameter will be used in the calculations as specified in paragraph (b) of this section.
(b) Replace missing data on the emissions of cover or carrier gases by multiplying magnesium production during the missing data period by the average cover or carrier gas usage rate from the most recent period when operating conditions were similar to those for the period for which the data are missing. Calculate the usage rate for each cover or carrier gas using Equation T-4 of this section:
Where:
RGHG = The usage rate for a particular cover or carrier gas over the period of comparable operation (metric tons gas/metric ton Mg).
CGHG = The consumption of that cover or carrier gas over the period of comparable operation (kg).
Mg = The magnesium produced or fed into the process over the period of comparable operation (metric tons).
0.001 = Conversion factor from kg to metric tons.
(c) If the precise before and after weights are not available, it should be assumed that the container was emptied in the process (i.e., quantity purchased should be used, less heel).

Title 40 published on 2014-07-01

no entries appear in the Federal Register after this date.

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United States Code

Title 40 published on 2014-07-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR 98 after this date.

  • 2014-07-31; vol. 79 # 147 - Thursday, July 31, 2014
    1. 79 FR 44332 - Greenhouse Gas Reporting Program: Addition of Global Warming Potentials
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Proposed rule.
      Comments must be received on or before September 2, 2014, unless a hearing is requested. If a hearing is requested, comments must be received on or before September 15, 2014. Public Hearing. The EPA does not plan to conduct a public hearing unless requested. To request a hearing, please contact the person listed in the following FOR FURTHER INFORMATION CONTACT section by August 7, 2014. Upon such request, the EPA will hold the hearing on August 15, 2014, in the Washington, DC area. The EPA will provide further information about the hearing on the Greenhouse Gas Reporting Program Web site, http://www.epa.gov/climatechange/emissions/ghgrulemaking.html if a hearing is requested.
      40 CFR Part 98