Source: http://www.law.cornell.edu/cfr/text/40/63.1011
Timestamp: 2014-04-18 06:39:49
Document Index: 573307773

Matched Legal Cases: ['art 63', '§ 63', '§ 63', '§ 63', '§ 63', '§ 63']

40 CFR 63.1011 - Pressure relief devices in gas and vapor service standards. | LII / Legal Information Institute
CFR › Title 40 › Chapter I › Subchapter C › Part 63 › Subpart TT › Section 63.1011 40 CFR 63.1011 - Pressure relief devices in gas and vapor service standards.
§ 63.1011
Except during pressure releases as provided for in paragraph (c) of this section, each pressure relief device in gas or vapor service shall be operated with an instrument reading of less than 500 parts per million as measured by the method specified in § 63.1004(c).
After each pressure release, the pressure relief device shall be returned to a condition indicated by an instrument reading of less than 500 parts per million, as soon as practical, but no later than 5 calendar days after each pressure release, except as provided in paragraph (d) of this section.
The pressure relief device shall be monitored no later than five calendar days after the pressure release and being returned to regulated material service to confirm the condition indicated by an instrument reading of less than 500 parts per million, as measured by the method specified in § 63.1004(c).
The owner or operator shall record the dates and results of the monitoring required by paragraph (c)(2) of this section following a pressure release including maximum instrument reading measured during the monitoring and the background level measured if the instrument reading is adjusted for background.
Any pressure relief device that is routed to a process or fuel gas system or equipped with a closed vent system that captures and transports leakage from the pressure relief device to a control device meeting the requirements of § 63.1015 is exempt from the requirements of paragraphs (b) and (c) of this section.
Any pressure relief device that is equipped with a rupture disk upstream of the pressure relief device is exempt from the requirements of paragraphs (b) and (c) of this section provided the owner or operator installs a replacement rupture disk upstream of the pressure relief device as soon as practical after each pressure release, but no later than 5 calendar days after each pressure release, except as provided in § 63.1005(d).