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Subsurface: Soil Analysis
The purpose of soil sampling is to define soil quality should a question of contamination arise. ERAtech personnel will select the sample locations based on existing site conditions and constraints, and collect the soil samples with a soil probe/hand auger. ERAtech's geologist visually observes and field screens representative soil samples for the presence of volatile organic vapors using a photo-ionization detector (PID). After reviewing the laboratory analysis, ERAtech then provides a final report summarizing sampling procedures, field observations, and sampling results.
Phase I and Phase II Environmental Site Assessments
A recent survey of major lenders indicated more than 70% of lending transactions are considered to present an environmental risk. This risk is attributible to the potential for the transfer of liability for cleanup costs as mandated by the Comprehensive Enviromnental Response, Compensation and Liability Act (CERCLA) should the lender become the owner of the property through foreclosure (Rodenhausen G.A. "Lender Liability for Cleanup Costs", JAPCA Vol. 40 No. 7 1990). Much of the concern over environmental cleanup liability can be eased through an "appropriate inquiry" property assessment prior to acquisition.
An ERAtech property assessment will provide the information necessary to make informed risk decisions concerning property as acquisitions or collateral. The ERAtech ASTM Phase I assessment involves a visual site inspection and reviewing available information to determine the possibility of contamination. This includes documentation of property history, the past and present owners of the subject property as well as the neighboring properties; all known waste disposal practices at the property; the types, quantities, and usages of hazardous substances; and all contaminant releases, violations, and environmental permits. ERAtech adheres to the latest ASTM Standard ( E 1527-13) for Phase I site assessments.
If the results of the Phase I environmental investigation are inconclusive or suggest that the property may be contaminated by hazardous substances, ERAtech is fully capable of proceeding with a Phase II confirmation. An ERAtech Phase II environmental investigation is designed on a case-by-case basis to conclusively determine the extent of contamination and, if present, the associated risk involved with the contaminated property.
Underground Storage Tank Removal and BUSTR No Further Action Letters
ERAtech Environmental, Inc. will provide soil and groundwater sampling in support of UST removal. ERAtech supervises the advancement of several borings on the property in an effort to define the extent of petroleum contamination or other contaminants at the property. After determining “Tier 2” BUSTR action levels for the site, ERAtech will collect samples to show that the site groundwater is below these site-specific concentrations. If needed, ERAtech will then implement a BUSTR-approved Remedial Action Plan (RAP) to remove any free product/contamination from the well. Finally, ERAtech will file the necessary forms on your behalf to be issued a No Further Action letter from BUSTR.
Subsurface: Groundwater Analysis
The purpose of groundwater sampling is to define ground water quality should a question of contamination arise. Groundwater samples can be collected from pre-existing groundwater monitoring wells located on the subject property. If pre-existing wells are not present, ERAtech will hire a drilling contractor who specializes in well drilling, in which case ERAtech personnel will select the drilling and sample locations based on existing site conditions and constraints.
Groundwater samples are collected using polyethylene disposable bailers. An attempt to remove three well volumes of water from each well will be made prior to collecting the groundwater samples from each well. If a well purges dry prior to the removal of three well volumes, the water sample will be collected after the well has sufficiently recharged. ERAtech's geologist field screens groundwater samples for the presence of volatile organic vapors using a photo-ionization detector (PID). Purge water will be collected into a suitable container for proper disposal at a later date, the method of which will depend on results was laboratory analysis of samples.