Site Description
See POLREP #1 for site description and background information.

Current Activities

RPM traveled to site the week of November 8, 2010 to oversee the beginning of the removal actvities at the National Fireworks OU2 site. Present for the PRP, Security Signals was their contractor ENSAFE.  Personnel present from ENSAFE conducting the field work included Allison Harris, Jason Broughton, and Robert Bailey.

Soil sampling was conducted at the test pit of Anomaly B1 on Tuesday November 9th.  Anomaly B1 is the area where shop waste was discovered at the site. During the excavation of the test pit, shop wastes were observed in the soil.  Heavy stained soil with metal fragments and petroleum odors were present as well as old rags. 

For simplicity, the samples are referred to as samples 1 through 5 and the actual sampling nomenclature has not been included.  A photoionization detector (PID) was used at each sample location.  PID readings were recorded.  The sampling strategy involved stepping out or offsetting 5 feet outside of sampling location if PID readings warranted.  During the sampling event, sampling locations 2 and 3 were altered based on PID readings.  Sample 2 was offset 20 feet and sample 3 was offset 10 feet. 

 
Five sampling locations were identified.  Subsurface soil samples were collected at depths of 3 feet and 6 feet at 4 (locations 1 through 4) of the locations using hand augers.  At the fifth location (which was located in the middle of the test pit), one subsurface soil sample was collected at a depth of 11 feet. 

Subsurface samples were sent off to be analyzed for VOCs, SVOCs, and metals.  At each location, the VOCs were collected first using the ENCORE sampling device.  After the volatile samples were collected, the soil sample (at each location and depth) was homogenized using a clean stainless steel bowl and spoon.  After the soil sample was adequately homogenized, an 8-oz jar (for SVOCs) and a 4-oz jar (for VOCs) were collected.

Present for the PRP, Security Signals was their contractor ENSAFE.  Personnel present from ENSAFE conducting the field work included Allison Harris, Jason Broughton, and Robert Bailey.

Planned Removal Actions
The proposed action is designed to address two areas, buried live pin flares (Anomaly B2) and suspected waste shop disposal area (Anomaly B1), identified at the Security Signals facility.  The removal action and disposal of materials will be conducted in a manner that complies with all state, local, and federal regulations including established quality assurance/quality control protocols. 

The proposed removal actions consist of excavation and off-site disposal of approximately 190 in-place cubic yards of materials.  The suspected metal shop waste excavation is estimated at 20 feet by 20 feet by 6 feet.  The pin flare removal area is estimated at 25 feet by 25 feet by 4 feet.  Actual excavation depths will be determined in the field, and will be based on analytical results from the confirmation sampling. 

Next Steps
EPA, TDEC, and the PRP Security Signals Inc., will review the sampling results from Anomaly B2 to further define the extent of the excavation.  The excavation activities are scheduled to begin the week of 12/6/10.