EP 1110-1-27
27 Jan 00
Radon emission (hazard of exposure during long-term monitoring).
Carbon dioxide, volatile organic gases, and hydrogen sulfide (hazard during confined space
entry or long-term exposure).
d. Compatibility with well cleaning chemicals.
(1) Chemicals that may be used in maintenance treatment of wells (Chapter 6) may react
unfavorably with pumped fluids to produce
A hazardous personnel condition.
Unexpected system damage.
(2) Potential reactions should determined prior to chemical application. Table 2-5 provides
representative incompatibility relationships with compounds used in well treatment.
Table 2-5. Well Treatment Chemical Incompatibility
Chemical
Chemical Incompatibility
Acetic acid
Chromic acid, ethylene glycol, nitric acid, hydroxyl compounds, perchloric
acid, peroxides, permanganates, and other strong oxidizers.
Acids (in general)
Sulfides, cyanide compounds, chlorates and perchlorates, ammonium nitrate,
azides, alkali and alkaline earth metals, organic peroxides.
Carbon dioxide
in carbon dioxide streams.
Chlorine
Anhydrous ammonia, ammonia, acetylene, butadiene, hydrocarbons,
hydrogen, sodium carbide, turpentine, benzene, finely divided metals,
activated carbon, any strong reducing compounds.
Chlorine dioxide
Organic materials, ammonia, methane, phosphine, hydrogen sulfide.
Halogens in general:
Fuels, any flammable liquid, or other organic compounds.
(Strong oxidants)
Hydrofluoric acid
Aqueous or anhydrous ammonia, intensely corrosive to organics.
Hydrogen peroxide
(Strong oxidant)
organic materials in general.
Hypochlorites
Acids (specifically HCl), activated carbon, other concentrated organic
compounds, anhydrous ammonia.
Nitric acid (conc.)
sulfide, flammable liquids, flammable gases
Organic acids
Aluminum, arsenic compounds, strong reducing compounds.
Oxalic acid
Silver, mercury (forms low-solubility minerals in presence of calcium).
Potassium
(Strong oxidant) glycerin, ethylene glycol, benzaldehyde, sulfuric acid, fuels,
permanganate
other organic compounds, flammable and explosive compounds.
(Strong oxidant)
(2) Persons designing any treatment involving fluids that contain strongly reactive, oxidative,
reductive, explosive, or volatile compounds should specifically review chemical reactivity databases for
conflicts. EM 385-1-1 provides guidance in health and safety physical/chemical reporting needs for health
and safety.
2-15
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