Will sorb hydrocarbon based liquids and repel aqueous based liquids. The pack is encased in a cardboard box which can be used as a warning sign and includes both mini-booms and pads. Designed to sorb and contain small petroleum spills and leaks fast. The 3M™ Petroleum Sorbent Spill Response Pack SRP-Petro will sorb hydrocarbon based liquids and repel aqueous based liquids. The pack is encased in a box which can be used as a warning