retail sale of goods for clean up of petroleum and chemical spills; retail sale of absorbent products for clean up of petroleum and chemical spills; retail sale of absorbent pads, absorbent wood fiber, booms, and sponges; retail sale of absorbent products impregnated with chemical products for cleanup of petroleum and chemical spills

chemicals used in the oilfield industry for absorbing, separating, and recovering oil from contaminated environments

CHEMICAL FOR PURIFICATION OF WATER BY SELECTIVE ADSORBTION OF NON-AQUEOUS POLLUTANTS

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