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2012-02-28_REVISION - M1980244 (84)
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2012-02-28_REVISION - M1980244 (84)
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Last modified
8/24/2016 4:49:13 PM
Creation date
3/15/2012 3:30:22 PM
Metadata
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Template:
DRMS Permit Index
Permit No
M1980244
IBM Index Class Name
REVISION
Doc Date
2/28/2012
Doc Name
VOL 7, Part 3: Cyanide Emergency Response Plan
From
CC&V
To
DRMS
Type & Sequence
AM10
Email Name
TC1
Media Type
D
Archive
No
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Clean Up Procedures for Cyanide Solutions <br />Do not use the following procedure for high <br />concentration cyanide such as at the bulk delivery <br />area. Calcium Hypochlorite use is not to be used <br />with high concentrations cyanide solutions. <br />Begin detoxification activities, if necessary. In the case of cyanide, if solution is released outside <br />lined areas onto the ground, complete excavation of the affected soil or detoxification is required. <br />If Calcium Hypochlorite is used for detoxification, it will be necessary to maintain elevated pH <br />levels (8 -11) for the reaction to occur. In addition, cyanogen chloride gas can be generated. This <br />gas is highly toxic and the area should be well ventilated. Alkaline chlorination detoxification <br />can be accomplished using beads or by making an aqueous solution. Monitoring of chlorine <br />levels will occur during use of this method to ensure that solutions with potentially toxic chlorine <br />levels are not released. The Reportable Quantity for Calcium Hypochlorite is 10 pounds as <br />released to the ground in any 24 -hour period. Procedures for use of Calcium Hypochlorite are <br />found in Appendix V. <br />Begin clean -up activities and implement through completion as detailed In the CC &V Spill <br />Prevention, Control and Countermeasures Plan (SPCC). The SPCC plan includes procedures for <br />monitoring and reporting after the initial response. <br />Laboratory <br />The proper procedures for responding to a spill of cyanide in the lab: <br />• If water is present, a self - containing breathing apparatus may be necessary. <br />• For a dry spill, shovel the contents into a sealable bucket and label appropriately. <br />Remove the contents to ADR for disposal to the VLF. <br />• For liquid spills, contain the area with the absorbent socks and flush the spill area with <br />Calcium Hypochlorite and large amounts of water. Used absorbent socks should be <br />disposed of in a labeled sealable bucket and the mop and bucket used in the cleanup <br />should be completely rinsed and disposed of in an appropriate manner that complies with <br />State and Federal Regulations (contact the Environmental Resources Department). <br />V. Response Equipment <br />CC &V maintains the equipment necessary to implement this CERP. In addition to the loaders <br />and dozers that are in constant use as part of mining and related operations and inspected prior to <br />each use, this equipment is routinely inspected to ensure that it is available in the event of an <br />emergency. The warehouse has basic hand tools, Calcium Hypochlorite and dust respirators. <br />Self contained breathing apparatus and HCN monitoring equipment (draegers, monitox, toxipro, <br />Cyanide Emergency Response Plan <br />EMS: AGANA /CCV Printed Copies arc Uncontrolled <br />G: \EMS \Plans \Emergency Response Plans \Cyanide Emergency Response Plan \CERP.doc <br />- 10 - <br />August 17, 2(110 <br />Doc.# E-0I2 <br />Rev 07 <br />
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