# Silica Particles Exclusion - 178575 05 04 NY

**Policy Amendment - Umbrella Policy - Excess Liability Policy**

A. The policy does not apply to any liability, loss, cost or expense arising, in whole or in part, directly or indirectly out of, or which is in any way related to, the "Silica hazard".

B. As used in this exclusion:

1. "Silica hazard" means exposure to, inhalation of or contact with, or threat of exposure to, inhalation of or contact with "silica" or "silica-related dust" which results in, or are alleged to cause, harmful health effects;

2. "Silica" means silicon dioxide (occurring in crystalline, amorphous and impure forms), silica particles, silica dust or silica compounds; and

3. "Silica-related dust" means a mixture or combination of "silica" and other dust or particles.

All other terms and conditions of the policy remain unchanged.