EP 1110-1-27
27 Jan 00
Personnel should always add acid to water and not vice versa.
Strong oxidants should never be used where hydrocarbon concentrations are high in well
water solutions, as ignition is a low-but-not-zero probability.
Alkaline and caustic compounds should be added slowly to acidic compounds when
neutralization is required, and never added to wells when acid solutions are still in the well.
Hoses, valves, and connections should be secured and not leaking. Spraying acid or oxidant
chemicals can result in dermal burns and clothing damage.
All work should be conducted in unobstructed and well-ventilated areas.
Personnel must routinely review MSDS and company recipe sheets before each treatment
event and work at a deliberate pace, avoiding rush.
Extra lime or soda ash should be kept on hand to treat spills, and eyewash packages and
abundant clean water should be kept close at hand for dilution when personnel are splashed.
7-2
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