Source details
U.S. Environmental Protection Agency
Page or archive reference: Release lines 51-56: date, response-phase completion, gorge/island/millrace context, removal method, quantity, and cost.
Public draft citation only; private source and original research remain private.
Page or archive reference: Release line 57: historical soil measurements, sampling, dust controls, and cited 2004 standard.
Public draft citation only; private source and original research remain private.