DSHW-2018-009491 - 0901a068808e6594

September 20, 2018
8200-FY18-020
Scott T. Anderson, Director
Department of Environmental Quality
Division of Waste Management and Radiation Control
ATTN: Jeff Vandel
P.O. Box 144880
195 North 1950 West
Salt Lake City, Utah 84114-4880
NORTHROP GRUMMAN
Div of Waste Management and Radiation Control
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SEP 2 8 2018
DsRvi- Zo i 8 - Ou321-9 \
RE: Post-Closure Permit, ATK Launch Systems Inc. - Promontory Facility, EPA ID#
UTD009081357, Proposed Groundwater Monitoring Sampling List for Fall 2018
Dear Mr. Anderson,
ATK Launch Systems Inc. Promontory facility is submitting with this letter a proposed
groundwater sampling list of wells and springs that will be sampled during the fall of 2018. This
list is found in Table 1. Please refer to previously submitted maps for well locations. The
selected wells and springs will help in the ongoing evaluation of plume characteristics at both
the source area of M-136 and the facility boundaries.
If you have questions, or need additional information, please contact Paul Hancock at (435)
863-3344.
l certify under penalty of law that this document and all attachments were prepared under my direction
or supervision in accordance with a system designed to assure that qualified personnel properly gather
and evaluate the information submitted. Based on my inquiry of the person or persons who manage
the system, or those persons directly responsible for gathering the information, the information
submitted is, to the best of my knowledge and belief, true, accurate, and complete. l am aware that
there are significant penalties for submitting false information, including the possibility of fine and
imprisonment for knowing violations.
Sincerely,
Kris H Blauer, Manager,
Environmental Services
ATK Launch Systems, Inc. • P.O. Box 707 Brigham City, Utah 84321 • [phone]
NORTHROP GRUMNAN
Table 1, Promontory Fall 2018 Groundwater Monitoring List
Well and Springs Parameters
A-5 VOC, Perchlorate
C-1 VOC, Perchlorate
C-3 VOC, Perchlorate
D-2 VOC, Perchlorate
D-3 VOC, Perchlorate
D-4 VOC, Perchlorate
D-5 VOC, Perchlorate
D-6 VOC, Perchlorate
G-1 VOC, Perchlorate
G-2 VOC, Perchlorate
G-6 VOC, Perchlorate
G-7 VOC, Perchlorate
G-8 VOC, Perchlorate
H-1 VOC, Perchlorate
H-2 VOC, Perchlorate
H-3 VOC, Perchlorate
H-4 VOC, Perchlorate
H-5 VOC, Perchlorate
H-6 VOC, Perchlorate
H-7 VOC, Perchlorate
H-8 VOC, Perchlorate
H-9 VOC, Perchlorate
H-10 COC, Perchlorate
P-2 VOC, Perchlorate
P-6 VOC, Perchlorate
P-7 VOC, Perchlorate
P-10 VOC, Perchlorate
Horse VOC, Perchlorate
Fish VOC, Perchlorate
Pipe VOC, Perchlorate
Shotgun VOC, Perchlorate
EW-6 VOC, Perchlorate
ATK Launch Systems, Inc. • P.O. Box 707 Brigham City, Utah 84321 • [phone]