Defense Environment Alert -- After repeated requests from lawmakers, the Defense Department earlier this month provided members of Congress with further information on perchlorate use and sampling for the contaminant at its installations. The responses include raw data on sampling and perchlorate information related to National Priorities List (NPL) sites. The military has used perchlorate in rocket fuel propellant for decades, and the compound has been found to impact thyroid functioning in adults and interfere with fetal development. Acting Pentagon...