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Posted Oct 30, 2022, 1:27 AM
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Registered User
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Join Date: Dec 2015
Posts: 15,621
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There's some data about the site from Broadway Subway work but mostly old data from previous soil work done in the 90s
Search for Broadway Subway Contaminated Sites and Excavated Materials Technical Data Report
Quote:
1398 West Broadway, approximately 50 m southeast of the Site
• Site Registry Detail Report (293) – Ordered November 5, 2017. BC MOE, last updated July
7, 2017.
o Broadway and Hemlock Esso Service Station, 1398 West Broadway, Vancouver,
B.C., Location No. 995456 (January 26, 1998). Notes – Report may be considered
notification of independent remediation. O’Connor Associates Environmental
Inc., February 6, 1998.
o Broadway and Hemlock Esso Service Station, 1398 West Broadway, Vancouver,
B.C., Location No. 995456. (March 6, 1996). Notes – Site Remediation Update
Report. O’Connor Associates Environmental Inc., March 8, 1996).
o Esso Service Station, 1398 West Broadway, Vancouver, B.C. Location No. 90305
(March 12, 1992). O’Connor Associates Environmental Inc., Marc 18, 1992.
o Proposed Redevelopment of Esso Service Station, 1398 West Broadway,
Vancouver, B.C., Station No. 995456 (January 10, 1992). O’Connor Associates
Environmental Inc., January 13, 1992.
o Esso Service Station, 1398 West Broadway, Vancouver, B.C. Location No. 995456
(January 8, 1992). O’Connor Associates Environmental Inc., January 13, 1992.
o Esso Service Station, 1398 West Broadway, Vancouver, B.C. Location No. 995456
(June 28, 1991). O’Connor Associates Environmental Inc., July 4, 1991.
o Esso Service Station, 1398 West Broadway, Vancouver, B.C. Location No. 995456
(March 8, 1991). O’Connor Associates Environmental Inc., July 4, 1991.
o Texaco Service Station, (s/s 5456), 1398 West Broadway, Vancouver, B.C. (June 7,
1988). O’Connor Associates Environmental Inc., July 4, 1991.
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Quote:
Broadway and Hemlock Esso Service Station, 1398 West Broadway, Vancouver, B.C., Location
No. 995456 (January 26, 1998)
• Liquid hydrocarbons were detected at the water surface between 1992 and 1993, but
have not been since the report date (1998).
• A groundwater recovery and treatment system was installed and since action,
monitoring of the site was conducted at regular intervals.
• The average depth to the groundwater table was 2.8 m in 1997 and the historical
groundwater flow has been to the north.
• Both offsite and on-site concentrations of dissolved hydrocarbon constituents have
declined to levels below the referenced standards (1998) except for ethylbenzene in
WP1. When compared to present-day standards, results did not exceed CSR Schedule
3.1 – Generic Numerical Water Standards.
• As of 1997, 366.6 m³ of water has been recovered and treated.
• The consultant recommends replacing the pump and treat system with bioventing and
hydrogen peroxide additions to reduce the concentrations of residual hydrocarbons in
the subsurface soils.
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2019 Esso station sale in Salmon Arm and the provincial environmental conditions
Quote:
Imperial Oil plans to sell former 7-Eleven site in Salmon Arm
Environment ministry must okay plans to ensure contaminated soil remediated
MARTHA WICKETTApr. 17, 2019 6:00 a.m.NEWS
Imperial Oil plans to sell the site of the former 7-Eleven convenience store, once any environmental work needed is done.
A spokesperson for 7-Eleven assured Mayor Alan Harrison recently that the burned building at 371 Trans-Canada Hwy. will be demolished before the tourists arrive in May. 7-Eleven has been leasing the site from Imperial Oil.
Jon Harding, Imperial Oil spokesperson, said on April 12 that the company’s plan would include doing an environmental assessment once the demolition is done. Remediation would take place, if necessary.
“Typically we’d go to the province to get a certificate of compliance. When we have that, we plan to market the property for sale.”
He notes all of the work will take time.
According to the city, the demolition must be done in concert with the B.C. environment ministry.
Kevin Pearson, the city’s director of development services, says in an email that because the site was once home to a gas station, the provincial Contaminated Sites Regulation requires the owner to deal with any contaminants on-site at the time of a demolition permit.
“They don’t need to keep us updated… without a Demo Permit application, but it does needs to be dealt with and MoE (Ministry of Environment) would need to authorize favorably before a Demo Permit can be issued by the city.”
The ministry provided an update on the site, which identifies contaminant migration, but not high risk. It states in an April 12 email that Imperial Oil notified the ministry on Aug. 21, 2007 of site decommissioning and its intention to carry out independent remediation.
“The service station was to be decommissioned in September 2007 and Keystone Environmental was retained to conduct the environmental investigation; a preliminary site investigation (was) required in connection with these notifications.”
Since then, states the ministry, petroleum hydrocarbon impacts to soil were identified on transportation ministry property adjacent to the Imperial Oil property. On Dec. 13 of last year, what are called ‘Notifications of Likely or Actual Offsite Contaminant Migration’ were issued to the transportation ministry and to the city, the city because it has utilities under the sidewalk within the highway property.
Risks at the source and to affected properties were then classified.
“Results of these classifications showed that the properties were not high risk.”
The ministry states it’s been advised that detailed site investigations are currently underway at the source and at the adjacent property.
“As a result of ENV’s (the ministry’s) requirement for site investigation, issuance of any local government land use authorizations will remain restricted until site remediation has been confirmed as complete, or the ministry has been contacted for further advice.”
The Observer was unable to reach a spokesperson for 7-Eleven.
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https://www.saobserver.net/news/imperial-oil-plans-to-sell-former-7-eleven-site-in-salmon-arm/
Article on the sale of the Davie Esso station
Quote:
Whatever development winds up on the site, the property will first need to undergo remediation to remove contaminants.
Peter Reid, an environmental engineer and vice president of the Contaminated Sites Approved Professionals Society, said there are a lot of site-specific variables that could affect how much work will be required. But he doesn't expect the property to sit idle for long before it's redeveloped.
Just over a week after closing, the Chevron station on Georgia Street in Vancouver has already had the pumps removed. (Christer Waara/CBC)
"In downtown Vancouver, it would cost too much money to leave the site for 10 years to remediate it with in situ techniques, so usually it fits right in with the development schedule," he said.
"When you dig out your soil for your underground parkade, then you start getting your reports ready."
Reid said he'd worked on gas stations with remediation costs ranging from $20,000 to several hundred thousand dollars, and it all depends on factors like the gas station's age and what sort of soil, clay, sand and rock lies beneath it.
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https://www.cbc.ca/news/canada/british-c...uver-last-gas-station-for-sale-1.4066658
Last edited by jollyburger; Oct 30, 2022 at 2:20 AM.
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