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Phase II Environmental Site Assessment is an "intrusive" investigation which collects original samples of soil, groundwater or building materials to analyze for quantitative values of various contaminants. [11] This investigation is normally undertaken when a Phase I ESA determines a likelihood of site contamination.
Around 90 chemicals in the groundwater and 40 chemicals in soil beneath the former AMCO facility exceeded screening levels. The EPA also collected soil and produce samples in the yards of residences next to the former AMCO facility fence line (on Center and Third streets). The samples were tested for VOCs, metals and pesticides.
Toxicity characteristic leaching procedure (TCLP) is a soil sample extraction method for chemical analysis employed as an analytical method to simulate leaching through a landfill. The testing methodology is used to determine if a waste is characteristically hazardous, i.e., classified as one of the "D" listed wastes by the U.S. Environmental ...
Data was reported in terms of number of samples exceeding EPA vapor intrusion screening levels. [53] No concentration data was reported for any samples measured, and the locations of exceedances were not reported. On April 30, 2024 the EPA reported that background soil sampling had been completed on March 15, 2024.
Ranked set sampling is an innovative design that can be highly useful and cost efficient in obtaining better estimates of mean concentration levels in soil and other environmental media by explicitly incorporating the professional judgment of a field investigator or a field screening measurement method to pick specific sampling locations in the ...
No analytical results were above project screening levels or above EPA Ecological Soil Screening Levels. In the decades since the military used the property, various ordnance items, including anti-aircraft projectiles, bazooka rounds, smoke grenades, and small arms ammunition have been recovered.
Soil contamination, soil pollution, or land pollution as a part of land degradation is caused by the presence of xenobiotic (human-made) chemicals or other alteration in the natural soil environment. It is typically caused by industrial activity, agricultural chemicals or improper disposal of waste .
Soils, indoor air, and ground water have been contaminated with tetrachloroethylene . PCE has been found above the EPA's Safe Drinking Water Act Maximum Contaminant Levels (MCL) in ground water and at concentrations exceeding screening levels in indoor air and subsurface soil. [24]