Page 682 - Radiation Safety
P. 682
OIL AND GAS INDUSTRY
a) SLUDGE: mixture of hydrocarbon (oil), water, sand/ clay containing Ra-226 + Ra-228
b) SCALES: barium sulfate, calcium sulfate & calcium carbonate radium (radium-
226 + Ra-228) co-precipitated.
c) PHYROPHORIC IRON SULPHIDE (spontaneously self-ignition when contact with air)
d) NON-RADIOLOGICAL HAZARD
Gas Processing: hydrogen sulfide, mercury (Hg)
Oil Processing: benzene
