1998_0108_packet - Laserfiche WebLink

Home

neighborhood.The MPCA was also contacted about past sp'I'lls and leaks 'in or near the They were aware of a pipeline release s1te located at 1700 received.and 1708 Oakcrest Avenue for which Information was reviewed and Leaks (primar'lly Williams Pipe Line) had previously been discovered and repalmrad from the 1960's through the mid ■ In 1993 pipeline,Amoco 011 reported hydrocarbon odors. at the same locat'lon during coating repair work on the'ir parallel Willmlarris Pipe Line Co. did not find any leak then conducted a standard investigation risk.affected sol"I and groundwater and to evaluate the They constructed extraction and operated an hydrocarbon vapor concentraflons were reduced to levels approved by the ■ The mmalin'Ing low levels Un'll continue to decrease over time by biological natural attenuation with degradation. The maximum contamination area was about the size of two residential lots, was not present at depths greater than 20 feet below grade and due to the dense clay more than 30 feet of uncontarriminated sooll was present between any groundwater ■ ■ Industrial Adjacent to the nealghborhood at 2621 North Fairview Avenue (west side of Famrview) 'I's the Ideal Security brass cleaning contamignated smite that has recently been cleaned up by ■Equities redeveloped,is now being The prior metal cleanaing business caused property,building (asbestos) and soil and perched ground water contammnation (cleaning solvents trichloroethylene, xylene, and related degradation products) which did not extend beyond the Investigation contaminate determmed the contamination was limited to the top few feet of so'll and did not A The groundwater was pumped from th'is perched water table and treated to meet state discharge■ it cond*t' ■ The contammination soil sediments were excavated, extraction.pulverized, and mixed w1th sand to enhance permeability for somil vapor ■ Ject the 4 ■The now development under construction■ ■ of office space.showroom area. r 12