21.   Only two months ago, he called the state to show cracks in his back patio, fearing that chemicals are released in dust particles.

22.   Simple geologic action, de Boer insisted, could heat the bitumen, releasing chemicals into temple ground waters.

23.   That chemical is released by nerve cells.

24.   The Czechs said they were immediately convinced that the chemicals had been released by the fierce U.S. bombing campaign that had begun two days earlier.

25.   The plant does acknowledge three incidents in the last five years in which chemicals were released, with off-site consequences.

26.   The suit also maintains that in addition to butadiene, far more toxic chemicals were released, including a solvent, dimethylflormamide, and hydrofluoric acid.

27.   These cells release chemicals like serotonin, norepinephrine, and dopamine, which are involved in mood regulation, stress and activities like concentration and information processing.

28.   These chemicals are released by the brain only after a longer relationship, making people feel warm and secure, trusting, needed and loved.

29.   They release chemicals known as cytokines that cause the skin to go into overdrive.

30.   They then release a chemical that induces blood flow.