| Action Date |
Action |
Description |
DEC Staff |
| 12/30/2016 |
Conceptual Site Model Submitted |
A hazard ranking evaluation was conducted to measure the potential risk to human health and safety, and to the environment. An ADEC hazard ranking evaluation form was completed by MWH, and was attached to their December 30, 2016, Interim Report for Release Investigation for Tesoro 2Go Mart #115. |
Paul Horwath |
| 4/5/2017 |
Document, Report, or Work plan Review - other |
Reviewed MWH/Stantec’s December 30, 2016, Interim Report for Release Investigation for Tesoro 2Go Mart #115. Report included release investigation reporting, as well as a work plan for additional release investigation. |
Paul Horwath |
| 4/6/2017 |
Site Characterization Workplan Approved |
Approved MWH/Stantec’s December 30, 2016, Interim Report for Release Investigation for Tesoro 2Go Mart #115, which include a work plan for additional release investigation work. |
Paul Horwath |
| 4/7/2017 |
Site Added to Database |
A new site has been added to the database |
Mitzi Read |
| 4/7/2017 |
Leaking Underground Storage Tank Release Confirmed - Petroleum |
LUST site created in CSP database for source area UST 4B Overfill Sump, 80056 |
Mitzi Read |
| 4/11/2017 |
Potentially Responsible Party/State Interest Letter |
Tesoro Refining and Marketing Corporation already has a PRP letter from a prior release at this LUST site, which was worked and previously closed. |
Paul Horwath |
| 4/11/2017 |
Exposure Tracking Model Ranking |
Initial ranking with ETM completed for source area id: 80056 name: UST 4B Overfill Sump |
Paul Horwath |
| 6/29/2017 |
Update or Other Action |
ADEC issued an agreement decision to extend the implementation of the additional release investigation work from the end of June, 2017, to no later than mid-October, 2017. |
Paul Horwath |
| 9/19/2017 |
Offsite Soil or Groundwater Disposal Approved |
ADEC authorized the transport of 1/4 cyd soil to OIT, Inc., an ADEC approved soil treatment facility. Post treatment analyses to include AK101, AK102, 8260B, and 8270C. |
Paul Horwath |
| 9/30/2017 |
Leaking Underground Storage Tank Cleanup Initiated - Petroleum |
Administrative action addition for grant reporting purposes.
|
Evonne Reese |
| 11/28/2017 |
Site Characterization Report Approved |
Reviewed and responded to Stantec's 2017 Release Investigation Report, consisting of the installation of three soil borings, constructed into MWs. No sample concentrations exceeding ADEC cleanup levels. One additional MW sampling and analysis event required. |
Paul Horwath |
| 12/7/2017 |
Meeting or Teleconference Held |
Meeting with Tesoro's Anne Duarte and Stantec staff at the offices of Stantec in Anchorage. Review work accomplished in 2017, and assessment and cleanup work proposed for 2018. |
Paul Horwath |
| 1/14/2019 |
Exposure Tracking Model Ranking |
A new updated ranking with ETM has been completed for source area 80056 UST 4B Overfill Sump. |
Paul Horwath |
| 1/30/2019 |
Document, Report, or Work plan Review - other |
Received the October, 2018 groundwater monitoring event report, prepared by Stantec. All groundwater cleanup levels are met in the 3 groundwater monitoring wells. Site can be closed. |
Paul Horwath |
| 1/31/2019 |
Cleanup Complete Determination Issued |
A Cleanup Complete Determination letter was issued to the Tesoro Refining and Marketing Company, dated 1/31/2019. Issued electronically. Copy issued to Stantec. |
Paul Horwath |
| 6/13/2019 |
Document, Report, or Work plan Review - other |
Approved a June 13, 2019 Stantec work plan to decommission the 2" diameter GW monitoring well (MW 17-1). |
Paul Horwath |
