Lenny Siegel Center for Public Environmental Oversight Brownfields 2008—May 7, 2008 LONG-TERM MANAGEMENT at Schools with Shallow VOCs

It’s not a good idea to build a school at a site with VOC (volatile organic compound) contamination in shallow groundwater or soil.

Adelaide Ave. high school site Providence, RI

But if you do, be sure to install engineering controls. Vapor barriers Sub-slab depressurization systems Ventilation Hydraulic barriers

Del Sesto Middle School Providence, RI

Mott Haven Campus Bronx, New York

Long-term management must be documented in a Site Management Plan Should be developed with remedial plan Should show that it can be implemented Includes –Institutional Controls (e.g., no digging without notification) –Operation & Maintenance –Monitoring –Reporting

Infotech High School Long Island City, New York

Vapor intrusion monitoring may include Inspection Pressure testing Tracer tests Groundwater sampling Alarms/automatic reporting devices Indoor air sampling –HVAC on and off –Each distinct airspace

Mott Haven Campus Bronx, New York

Key Issues Responsibility Training Contingency plans Trigger points Public notification TRUST

me or give me your card if you want to join CPEO’s free Brownfields Internet Forum newsgroup. Lenny Siegel Center for Public Environmental Oversight c/o PSC, 278-A Hope St., Mountain View, CA Voice: 650/ — Fax: 650/ —