Exhibit G Monitoring Locations and SeepCoordinates.pdf
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- Attached to
- Captain Jack Mill Superfund Site O & M
- Solicitation number
- RFP FAAA 2026000184 3
- Issued by
- Boulder County, Denver City, Colorado
About this file
This is an exhibit document for the Captain Jack Mill Superfund Site Operations and Maintenance contract opportunity in Colorado, detailing monitoring locations and seep coordinates for environmental sampling activities. The document provides a comprehensive inventory of sampling locations organized by type, including groundwater monitoring wells, surface water sampling points, mine pool monitoring locations, and seep identification sites. The groundwater sampling network consists of four monitoring wells (CJM-GW-MW1 through MW4), multiple dew drop locations, CDOT right-of-way sampling points, and sample ports. The surface water sampling program includes eleven designated surface water locations (CJM-SW-01 through SW-11), a treatment plant influent sampling point, and a treatment plant outfall location, with several locations designated for both field data collection and grab sampling methodologies.
The document identifies twenty-one distinct seeps (Seep-01 through Seep-21) with precise geographic coordinates in latitude and longitude format, all located within the Captain Jack Mill Superfund Site area in Colorado near the coordinates of 40.06°N and 105.51°W. The seep locations are systematically mapped and labeled to facilitate ongoing monitoring and sampling protocols. The exhibit serves as a reference guide for field personnel conducting environmental sampling, with notation distinguishing between regularly sampled locations and those monitored on an as-needed basis. This monitoring network supports the site's operations and maintenance requirements under the Superfund program, enabling comprehensive environmental data collection across groundwater, surface water, and seep discharge points at the site.
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Text version
Location Tag Sampling Method
CDOT ROW #1 CJM-GW-ROW1
Dew Drop #1 CJM-GW-DD1 Dew Drop #2 CJM-GW-DD2
Monitoring Well #1 CJM-GW-MW1 Monitoring Well #2 CJM-GW-MW2
Monitoring Well #3 CJM-GW-MW3 Monitoring Well #4 CJM-GW-MW4
CDOT ROW #2 CJM-GW-ROW2 Field Data CDOT ROW #2 CJM-GW-ROW2 Grab Sample
Dew Drop #3 CJM-GW-DD3 Grab Sample
Sample Port #1 CJM-GW-SP1
Midway #1 CJM-GW-MID1 Midway #2 CJM-GW-MID2 Niwot #1 CJM-GW-NIW1 Niwot #2 CJM-GW-NIW2
Niwot #3 CJM-GW-NIW3
Treatment Plant Influent CJM-GW-TPI Grab Sample
Treatment Plant Influent CJM-GW-TPI Grab Sample Treatment Plant Outfall CJM-SW-TPO
Surface Water #1 CJM-SW-01
Surface Water #2 CJM-SW-02 Field Data Surface Water #2 CJM-SW-02 Grab Sample Surface Water #3 CJM-SW-03 Surface Water #4 CJM-SW-04
Surface Water #5 CJM-SW-05 Surface Water #6 CJM-SW-06 Field Data
Surface Water #6 CJM-SW-06 Grab Sample Surface Water #7 CJM-SW-07
Surface Water #8 CJM-SW-08 Surface Water #9 CJM-SW-09
Surface Water #10 CJM-SW-10 Field Data
Surface Water #10 CJM-SW-10 Grab Sample
Surface Water #11 CJM-SW-11
Seeps CJM-SW-SEEP-##
Notes:
Captain Jack Mill Sampling Locations Sample Type
Groundwater
Mine Pool
Surface Water
Not Regularly Sampled Groundwater Location Mine Pool Location Surface Water Location
Seep Number Latitude Longitude Seep-01 40.0642949 -105.5182236 Seep-02 40.0649968 -105.5204100 Seep-03 40.0649247 -105.5204212 Seep-04 40.0649341 -105.5203392 Seep-05 40.0629228 -105.5127373 Seep-06 40.0629646 -105.5134646 Seep-07 40.0647052 -105.5130672 Seep-08 40.0647403 -105.5132903 Seep-09 40.0647485 -105.5134662 Seep-10 40.0626721 -105.5144648 Seep-11 40.0624901 -105.5151386 Seep-12 40.0646027 -105.5119602 Seep-13 40.0646856 -105.5122516 Seep-14 40.0647795 -105.5126418 Seep-15 40.0647737 -105.5127432 Seep-16 40.0629948 -105.5126337 Seep-17 40.0648758 -105.5130843 Seep-18 40.0652322 -105.5135469 Seep-19 40.0647781 -105.5130261 Seep-20 40.0653218 -105.5136070 Seep-21 40.0648031 -105.5135194
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