PERMFILE139611

• Permit No: M1988112
• IBM Index Class Name: Permit File
• Doc Date: 11/8/1988
• Section_Exhibit Name: APPENDIX P EMERGENCY RESPONSE PLAN
• Media Type: D
• Archive: No

9.0 SPILL MITIGATION AND REPORTING
t 9.1 Clean-uo and Detoxification
' The emergency response program will include specific training
in clean-up and detoxification for selected employees. Employees
I specially trained will be onsite 24 hrs/day, 7 days/week. In the
event of a spill these employees will be immediately dispatched to
the site to assist in clean-up and
A
i
i
i
b
l
l detoxification efforts.
ppropr
ate equ
pment w
e avai
ab
e
ll to detoxify solutions and
to transport any spilled material for ultimate disposal n accordance
with applicable laws and regulations. In addition to clean up
equipment, portable instrumentation will be available to detect and
' measure HCN gas, as well as cyanide which may have entered any water
courses.
f
In the event o
a potentially hazardous material spill the plan
will be to contain, detoxify, (if necessary) and clean up.
' Detoxifying agents for cyanide and acids will be kept available at
the mine for use.

Clean-up team personnel will be trained in the proper
' detoxification procedures for each type of material. Acids used on
site can be neutralized with the addition of lime and water. Lime
' can be added directly to the spill area in the powder form.
For cyanide detoxification, one of two methods will be used,
' either hydrogen peroxide detoxification or alkaline chlorination
detoxification. Both work effectively as detoxifying agents.

If hydrogen peroxide is used, it will be available in liquid
form. Hydrogen peroxide requires no pH control and will naturally
break down into water and oxygen. Excess amounts pose no threat to
the environment. Liquid hydrogen peroxide can be added directly to
til
l
a spi
l un
cyanide levels reach acceptable limits. Because
hydrogen peroxide breaks down, it has a limited shelf life. If

-16-
(Revised 4/20/89)