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Site Report: ASD Klatt Elementary School

Site Name: ASD Klatt Elementary School
Address: 11900 Juniper Drive, Anchorage, AK 99515
File Number: 2100.26.286
Hazard ID: 22964
Status: Cleanup Complete
Staff: ,
Latitude: 61.112798
Longitude: -149.908677
Horizontal Datum:NAD83

We make every effort to ensure the data presented here is accurate based on the best available information currently on file with DEC. It is therefore subject to change as new information becomes available. We recommend contacting the assigned project staff prior to making decisions based on this information.


300 gallon Diesel Emergency Generator Tank was removed on July 31, 1997. 42.98 tons of petroleum contaminated soil was excavated from the site and treated by CleanSoils Alaska, Inc. A letter dated March 13, 1998 from ADEC (Lynn Bush) states that "no further action is required for the 300 gallon emergency generator tank UST". Completed review of the Site Assessment Report showing the remaining contamination to be below the most stringent migration to groundwater clean-up levels. A closure letter will be prepared and the status of this site will be updated to Cleanup Complete once that letter is approved. Comment added 12-23-08.

Action Information

Action Date Action Description DEC Staff
7/31/1997 Site Added to Database * Not Assigned
7/31/1997 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST Site created in CSP for source area ID 75897 * Not Assigned
7/31/1997 Leaking Underground Storage Tank Cleanup Initiated - Petroleum * Not Assigned
12/2/1997 Update or Other Action A letter is on file with this date from CleanSoils indicating that 42.98 tons of contaminated soils from this site were treated. The letter indicated that 2 post-treatment soil samples were analyzed at Columbia Analytical Services and they were both below ADEC cleanup levels. The lab reports are not in the file to corroborate the data. Bill Petrik
3/13/1998 Update or Other Action A letter from the department sent this date indicated that post-treatment sampling results for the 42.98 tons of petroleum contaminated soil hauled to CleanSoils, no further investigation or corrective action is required for the 300 gallon emergency generator UST system identified. This letter reiterates the contents of a separate letter sent dated 2/12/98. Lynne Bush
12/31/2003 Update or Other Action RECKEY has automatically been generated. * Not Assigned
9/5/2006 Update or Other Action File number issued 2100.26.286 (FKA L68.08). Aggie Blandford
6/6/2007 Update or Other Action Site management transferred from Pikul to Petrik. Shannon Oelkers
3/11/2008 Exposure Tracking Model On Hold Site may be conditionally closed but has not yet been confirmed as such. Very little information is contained in the file. Insufficient data is avaialble to perform a meaningful Exposure Tracking Model ranking. Bill Petrik
9/30/2008 Meeting or Teleconference Held Meeting with Edie Knapp with ASD, Aaron Banks with R&M and ADEC staff Bill O'Connell and Pam Clemens to discuss open ASD sites. Pam Clemens
10/22/2008 Update or Other Action Sent out letter to Edie Knapp with ASD concerning the status of this site. Attached a letter to the CS database, dated March 13, 1998 that says no further action required. Researching issue to possibly change status to Clean-up Complete. Pam Clemens
12/9/2008 Update or Other Action Emailed Aaron Banks with R&M (and copied Edie Knapp with ASD) requesting the Site Closure Assessment Report Dated September 29, 1997 that is mentioned in the 2-12-98 letter from Lynn Bush (ADEC). Pam Clemens
12/23/2008 Update or Other Action Received and reviewed the Site Assessment Report dated 9-29-97 prepared by Gilfilian Engineering and Environmental. Confirmation samples from the excavation pit showed that GRO and BTEX were all non-detect. DRO was found in one confirmation sample at 100 mg/kg at 6 feet bgs, which is below the ADEC most stringent migration to groundwater level of 250 mg/kg. The concrete pad that the UST rested on was left in place and clean fill was used to restore the site to grade. Pam Clemens
12/23/2008 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 75897 name: UST - ASD Klatt Elementary School Pam Clemens
12/29/2008 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 75897 UST - ASD Klatt Elementary School. Pam Clemens
1/21/2009 Cleanup Complete Determination Issued ROD to ASD on this date and attached to CS database. DRO at 100 mg/kg is below the most stringent cleanup levels for migration to groundwater. Site closed without institutional controls. Pam Clemens

Contaminant Information

Name Level Description Media Comments
DRO < Method 2 Most Stringent Soil DRO at 100 mg/kg

Control Type

Type Details
No ICs Required


Description Details
Advance approval required to transport soil or groundwater off-site.

Missing Location Data

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