Risk Based Corrective Action

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TIER 2 DATA BEFORE MODELING

8LTM35
Free Product Present? No
Groundwater encountered? Yes
Revised Tier2
TEH-Diesel required? Yes
TEH-Waste Oil required? Yes
Bedrock: No,

Analytical Data
Groundwater Maximums
Date B/MW # Conc. (μg/L)
B 8/13/2003 MW-16 4440.00
T 9/2/2004 MW-16 7950.00
E 8/13/2003 MW-16 4310.00
X 8/13/2003 MW-16 14000.00
TEHD 9/11/2002 MW-3A <5000.00
TEHWO 9/11/2002 MW-3A <5000.00
Soil Maximums
Date B/MW # Conc. (mg/kg)
B 3/10/2011 SBMW16R 11.80
T 3/10/2011 SBMW16R 15.70
E 3/10/2011 SBMW16R 66.00
X 3/10/2011 SBMW16R 185.00
TEHD 9/10/2002 MW-3A 24.70
Soil Gas Benzene Toluene Ethylbenzene TEH-D
Sampled Soil Gas Result Sampled Soil Gas Result Sampled Soil Gas Result Sampled Soil Gas Result
Soil Source No No No No
Groundwater Source No No No No

Initial Receptor Evaluation
Ingestion-Actual
Water supply well survey within 1,000 ft? Yes
Drinking water wells within 1,000 ft? No
Non-drinking water wells within 1,000 ft? No
Ingestion-Potential
Protected groundwater source? Yes
Maximum K: 0.514 (0.073) m/d
Institutional control within 1,000 ft? No
Minimum TDS: 500.00 () mg/L
Vapors
Explosive vapor levels within 500 ft? No
Institutional control within 500 feet? GW Sources: No Soil Sources: No
Water lines
Shallowest depth to groundwater? 6.70 (7.87) feet
Water line within 200 feet of source? Yes
Surface water
Designated use segment within 500 feet? No
Designation(s):
Any surface water within 200 feet? No
Pass visual inspection? N/A