40 CFR 63.1965 - What is a deviation?

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There are 7 Updates appearing in the Federal Register for 40 CFR 63. View below or at eCFR (GPOAccess)
§ 63.1965 What is a deviation?
A deviation is defined in § 63.1990. For the purposes of the landfill monitoring and SSM plan requirements, deviations include the items in paragraphs (a) through (c) of this section.
(a) A deviation occurs when the control device operating parameter boundaries described in 40 CFR 60.758(c)(1) of subpart WWW are exceeded.
(b) A deviation occurs when 1 hour or more of the hours during the 3-hour block averaging period does not constitute a valid hour of data. A valid hour of data must have measured values for at least three 15-minute monitoring periods within the hour.
(c) A deviation occurs when a SSM plan is not developed or maintained on site.
[68 FR 2238, Jan. 16, 2003, as amended at 71 FR 20462, Apr. 20, 2006]

Title 40 published on 2014-07-01

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  • 2014-11-25; vol. 79 # 227 - Tuesday, November 25, 2014
    1. 79 FR 70102 - National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Texas
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      ENVIRONMENTAL PROTECTION AGENCY
      Direct final rule; delegation of authority.
      This rule is effective on January 26, 2015 without further notice, unless EPA receives relevant adverse comment by December 26, 2014. If EPA receives such comment, EPA will publish a timely withdrawal in the Federal Register informing the public that this rule will not take effect.
      40 CFR Part 63

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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 63 after this date.

  • 2014-12-12; vol. 79 # 239 - Friday, December 12, 2014
    1. 79 FR 73872 - Phosphoric Acid Manufacturing and Phosphate Fertilizer Production RTR and Standards of Performance for Phosphate Processing; Extension of Comment Period
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      ENVIRONMENTAL PROTECTION AGENCY
      Notice of proposed rulemaking; extension of public comment period.
      Comments. The public comment period for the proposed rule published in the Federal Register on November 7, 2014, (79 FR 66512) is being extended for 30 days to January 21, 2015.
      40 CFR Parts 60 and 63