NORFOLK BIG DIG
Overview
Link for Norfolk Meeting Calendar
PIP Public Involvement Plan
Drone Images
Contamination Reports by Mabbett
Weston & Sampson: LSP for Town
DEP
Lawrence Street Bridge and Causeway
Public Hearing Videos
Environmental Review: ENF
What's Next?
Silica Summary
Bedrock at site is RHYOLITE (Per DEP Response Action Outcome, 243 pages)
RHYOLITE has high SILICA content, as does granite
Silica is second most common element in the earth's crust 27.7%
Silica is found in many types of rock and ore
Exposure to even small particles of silica can cause silicosis, an incurable lung disease
www.cdc.gov/niosh/docs/97-118/default.html
- SIlica: It's not Just Dust from CDC
www.osha.gov/dsg/topics/silicacrystalline/
-OSHA Construction Standards issued September 23, 2017. The ZBA should make sure the levels are monitored at the site.
Overview
Link for Norfolk Meeting Calendar
PIP Public Involvement Plan
Drone Images
Contamination Reports by Mabbett
Weston & Sampson: LSP for Town
DEP
Lawrence Street Bridge and Causeway
Public Hearing Videos
Environmental Review: ENF
What's Next?
Silica Summary