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1 Scope This Standard specifies the fundamental criteria of hydrogen sulfide monitoring and protecting for operation personnel during the explorating and developing production process of oil and gas field involving hydrogen sulfide. This Standard is applicable to on-shore oil and gas field involving hydrogen sulfide. 2 Normative References The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. For undated references, its latest edition is applicable to this Standard. GBZ 31-2002 Diagnostic Criteria of Occupational Acute Hydrogen Sulfide Poisoning GB 8789-1998 Diagnostic criteria and principles of management of occupational acute hydrogen sulfide poisoning SY/T 5087-2005 Recommended practice for safe drilling operations involving hydrogen sulfide SY/T 6137-2005 Recommended practices for oil and gas producing and gas processing plant operations involving hydrogen sulfide SY/T 6610-2005 Recommended practice for oil and gas well servicing and workover operations involving hydrogen sulfide JJG 695-2003 Verification Regulation of Sulfur Hydrogen Gas Detectors |