Fairbanks Areawide Industrial Reclamation Project AREA HISTORY Janice Wiegers ADEC

Area History DOT plans Minnie Street Connector DOT plans Minnie Street Connector S&W investigate surface soil, subsurface soil, and groundwater S&W investigate surface soil, subsurface soil, and groundwater Widespread contamination stops project (petroleum, solvents, metals, PCBs) Widespread contamination stops project (petroleum, solvents, metals, PCBs) MSLUG Project - Railroad and ~15 RPs MSLUG Project - Railroad and ~15 RPs USGS investigates groundwater characteristics and quality USGS investigates groundwater characteristics and quality Primary focus is public drinking water wells on other site of the Chena River Primary focus is public drinking water wells on other site of the Chena River 2002 – – 2004 ADEC begins FAIR project (larger than MSLUG) ADEC begins FAIR project (larger than MSLUG) 2002 Well point investigation conducted and coordinated sampling begins 2002 Well point investigation conducted and coordinated sampling begins 2003 Risk Management Workplan completed by EPA 2003 Risk Management Workplan completed by EPA

Area History DOT plans Minnie Street Connector DOT plans Minnie Street Connector S&W investigate surface soil, subsurface soil, and groundwater S&W investigate surface soil, subsurface soil, and groundwater Widespread contamination stops project (petroleum, solvents, metals, PCBs) Widespread contamination stops project (petroleum, solvents, metals, PCBs) MSLUG Project - Railroad and ~15 RPs MSLUG Project - Railroad and ~15 RPs USGS investigates groundwater characteristics and quality USGS investigates groundwater characteristics and quality Primary focus is public drinking water wells on other site of the Chena River Primary focus is public drinking water wells on other site of the Chena River 2002 – – 2004 ADEC begins FAIR project (larger than MSLUG) ADEC begins FAIR project (larger than MSLUG) 2002 Well point investigation conducted and coordinated sampling begins 2002 Well point investigation conducted and coordinated sampling begins 2003 Risk Management Workplan completed by EPA 2003 Risk Management Workplan completed by EPA

MSLUG

October 1993 April 1994 March 1994 September 1993

Area History DOT plans Minnie Street Connector DOT plans Minnie Street Connector S&W investigate surface soil, subsurface soil, and groundwater S&W investigate surface soil, subsurface soil, and groundwater Widespread contamination stops project (petroleum, solvents, metals, PCBs) Widespread contamination stops project (petroleum, solvents, metals, PCBs) MSLUG Project - Railroad and ~15 RPs MSLUG Project - Railroad and ~15 RPs USGS investigates groundwater characteristics and quality Primary focus is public drinking water wells on other site of the Chena River USGS investigates groundwater characteristics and quality Primary focus is public drinking water wells on other site of the Chena River 2002 – – 2004 ADEC begins FAIR project (larger than MSLUG) ADEC begins FAIR project (larger than MSLUG) 2002 Well point investigation conducted and coordinated sampling begins 2002 Well point investigation conducted and coordinated sampling begins 2003 Risk Management Workplan completed by EPA 2003 Risk Management Workplan completed by EPA

FAIR AREA

Four Tank Farms – fuel delivered by rail UNOCAL Tanks Saupes Tanks Willners Tanks Van Gas Tanks

FAIR AREA – Baseline Sampling

Benzene ND <5 ug/L 5-99 ug/L ug/L >1,000 ug/L Product Groundwater Results

Groundwater Results – Fall 2003 Benzene ND <5 ug/L 5-99 ug/L ug/L >1,000 ug/L Product

Groundwater Results – Spring 2004 Benzene ND <5 ug/L 5-99 ug/L ug/L >1,000 ug/L Product

GRO ND <1.3 mg/L mg/L mg/L >100 mg/L Product Groundwater Results

Groundwater Results – Fall 2003 GRO ND <1.3 mg/L mg/L mg/L >100 mg/L Product

Groundwater Results – Spring 2004 GRO ND <1.3 mg/L mg/L mg/L >100 mg/L Product

DRO ND <1.5 mg/L mg/L mg/L >100 mg/L Product Groundwater Results

Groundwater Results – Fall 2003 DRO ND <1.5 mg/L mg/L mg/L >100 mg/L Product

Groundwater Results – Spring 2004 DRO ND <1.5 mg/L mg/L mg/L >100 mg/L Product

RRO ND <1.1 mg/L mg/L mg/L >100 mg/L Product Groundwater Results – Spring 2004