DERR-2025-003372

------------
ENVIRONMENTAL I INDUSTRIAL HYGIENE I SAFETY & HEALTH
RMEC
ENVIRONMENTAL
Remedial Action Report
Mayflower Mine VCP Site #C090
MIDA Project Area-West Side
Wasatch County, Utah
RMEC P J19E-3728
Date: April 4, 2025
Prepared For:
BLX Mayflower LLC
2750 W. Rasmussen Road, Suite 206
Park City, Utah 84098
RMEC Environmental, Inc.
476 West 325 South I Bountiful, UT 84010
~ info@r mec.net I \. office: 801.467.3661 I @ r mec.net
FIGURES
REMEDIATION AREA FIGURES
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wa-soii,c H,11
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na,u• fl•r
r Bas,n
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-~ /1__ ___ _; " 2i-.r:,, -l
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I, ____ ! ---~~.... \
! j i •"\ -·"'·,/ ·------J l /'_,,,,, \ .. -u
L/·'·, //
·,_/·
Source : Remedial Action Plan, 2019 prepared by Barr
Modified by Allterra Utah, LLC 2024
Figure 1
VCPArea
Mayflower Mine VCP Site #C090
Wasatch County, Utah
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JoidaM ..
!.la11t Par~
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fhe Ou~w
OolC\ub
Key
Phase I VCP Area
Former Phase I Area
Property Boundary
1,
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Go •
Cour •
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Source : Remedial Action Plan, 2019 prepared by Barr
Modified by RMEC, 2024
Figure 2
Site Development Plan with Areas of Potential Concern
Mayflower Mine VCP Site #C090
Wasatch County, Utah
D Phase I VCP Area
D Impacted Areas
0 Reference Natural
Background Areas
Impacted Roads
/N\
W+E \._s_,/
Key
~ Residential -Commercial -Mixed Use
Recreational
u=-c:::
Modified from Allterra Utah LLC, February 2024
--"ia:illiWCSr ·cOR~R &c;w-2; --
11~Th}1o ~~w
:fa! MON UMEJHOCIAI..S
N_5e_JJ?;S'_£_~jl1 ____ _
PHASE 1 VCP
AREA BOUNDARY
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~
~:K:~=-S(CTION
,r,qiM1'lullOl'TDE;TAllS
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.A_EASTOUAATERC~NEIISECTION25
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ECTION 2~ S aa,r47" W 2053.71'.,r; ~Tl<ASTJ:°"fff..~~!
rOR MCNUWtNr 2t:.l A!LS "' ':.. •· rcl~f~~~l~14
Figure 3 Key
,-. ,
-. -Phase I VCP Area Boundary
Final VCP Agreement Boundary Map
Ll Line and Curve Table Surveyor Details
Mayflower Mine VCP Site #C090
Wasatch County, Utah WXYZ Surveyor bearing and distances
/N\
W +E \._s_,/
I
Extent of Excavation
I YELLOW POND
Extent of Excavation
n
\ ,,
/> / .,
Modified from Alliance Engineering, March 2022
LOWER MCHENRY
CANYON
~,.L ___ _ '~,
RECSEP17
SOUTH EXTENSION
'~ ,,
;
C ... ,
~ "· FORMERMINE
ROAD AREAS
Mine Portal
Demarcation Area
Figure 4
All Remediation Areas Map
Mayflower Mine VCP Site #C090
Wasatch County, Utah
Demarcation
Area /l "I ,,
~
RAILROAD
SPUR
0
--
c::J
~
----
~=:-:i
BEA VER POND/
WETLAND AREA
Key
Original RAP extent
Remediation Areas cleared
Waste Rock Repository
WASTE ROCK
REPOSITORY
BOUNDARY
/N\
W+E 300 Feet \._5_,J
Demarcation Areas/ EOE Areas
Earthen Roads/ Haul Roads
Portal Demarcation
Area
MFWR-SW3
MFWR-C2 Haul
MFWR-
B1
Modified from Alliance Engineering, March 2022
MFWR-SWN12
MFWR-SWNll u
~R-SW:~_ ~\ ~ ✓ MFWR-SWN13
-L4 MFWR-L5/L6
MFWR-
JS
MFWR-
15
MFWR-
K 6
I MFWR-I MFWR-
J6 J7
MFWR-I MFWR-
16 17
H3 I ~-1 M~R-
MFWR-
H6
MFWR-
G4
MFWR-84 Haul
Figure 5
MFWR-
JS
MFWR
-18
MFWR Area -Sidewall and Floor Sample Locations
Mayflower Mine VCP Site #C090
Wasatch County, Utah
, MFWR-SW15
MFWR-SW16
MFWR-SW17
-SW18
--~-\~ MFWR-SW20
\
MFWR-SWG8
MFWR-SWG7
..--....,.
MFWR-SW-X
MFWR-Al-X
R-D14
MFWR-SW23
MFWR-SW24
MFWR-SW25
MFWR-SW26
MFWR-C13
MFWR-SW27
MFWR-B13
Key
/N\
W+E 100 Feet \._5_,J
End of Sidewall Stake (5-point composite
aliquot sampled at 20 feet equal distance)
Denotes Composite Sidewall Sample ID
Denotes Composite Floor Sample ID
Modified from Alliance Engineering, March 2022
~ BP-HaulRoadl ------------' -... ,_\_ BP-Hau1Road2
BP-SWN3
........ ~ ---BP-SWN2
~ ,_,,
' ,_
~BP-SWNl
I BP-F12 BP-F13
BP-Ell/E12
Figure 6
Beaver Pond/Wetland Area-Sidewall and Floor Sample Locations
Mayflower Mine VCP Site #C090
Wasatch County, Utah
I
BP-SWS3
..--....,.
BP-SW-X
BP-Al-X
BP-SWSl
BP-SWS2
BP-Hau1Road3
100 Feet
/N\
W+E \._s_,/
Key
End of Sidewall Stake (5-point composite
aliquot sampled at 20 feet equal distance)
Denotes Composite Sidewall Sample ID
Denotes Composite Floor Sample ID
YP-SWSB ___..
RED DASH
(extent of excavation, no ----~ /
/~Ii>,.
~"'"' ~~
/~.$¼
YP-SWNI / ~-#'-
/
/
/
/
/ VP-DO/CO
VP-Cl
VP-82
Yp-SWS4
YP-SWEB
YP-D3 VP-D4 YP-DS VP-D6 VP-D7
VP-CJ VP-C4 VP-CS YP-C6 YP-C7
VP-83 YP-84
YP-A456
Yp-SWS6
Figure 7
Yellow Pond Area -Sidewall and Floor Sample Locations
Mayflower Mine VCP Site #C090
Modified from Alliance Engineering, March 2022 Wasatch County, Utah
..--....,.
YP-SW-X
YP-Al-X
100 Feet
/N\
W+E \._s_,/
Key
End of Sidewall Stake (5-point composite
aliquot sampled at 20 feet equal distance)
Denotes Composite Sidewall Sample ID
Denotes Composite Floor Sample ID
' ' ' ' ' ' ' ' ' ' ' ' ' ', ', ', ',
ER/REC12-
HaulRoadl
Modified from Alliance Engineering, March 2022
', ', ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' .... ' .... ......... ............
',,, ',, ER/REC12-
',, ',, /Hau1Road2
' ' ', ', ' '
C}'V Jte ', \ REC12-~ <f◊ ~W~IJ. \ \ SW14 / i<1 ,, \ \
REC12-
SWIS
REC12-
y SW16
C,~ ... rl ~ <f';--== 1 REC12-C3 • r C12-
REC12-C7
REC12-C2
REC12-SW9
"-----
REC12-B5 REC!l-8687
_.:.~~--a. :::----...._ REC12-
-------" e,'> ------r------,-I ,.-SW3 -.. ,~~~
\ \ ' \ I
REC12-REC12-REC12-\ \
SW7 SW6 SW5 \ I
\ ', ' ' ' ', ' ' ',, ', ', ', ', ', ' ' ' ',
REC12-
SW2
'~\ \ \
I I
I I
I I I I
Figure 8
REC 12 -Sidewall and Floor Sample Locations
Mayflower Mine VCP Site #C090
Wasatch County, Utah
REC12-C8
ER/REC12-
Hau1Road3
◊ JP :0
..--....
100 Feet
/N\
W+E \._s_,/
Key
End of Sidewall Stake (5-point composite
aliquot sampled at 20 feet equal distance)
I REC12-SW-X I Denotes Composite Sidewall Sample ID
I REC12-Al-X I Denotes Floor Composite Sample ID
RECSEPI 7SE-
SW Al
RECSEPI 7SE-
SWA3
Modified from Alliance Engineering, March 2022
RECSEP17-
SWNS
RECSEP17-
SWN4
RECSEP17-
SWN3 RECSEP17-
SWN7
REC12/RECSEPI 7
-Hau1Road4
/
RECSEP17-
SWNS RECSEPI 7.
SWN9
/ /RECSEP17-
-_ SWNIO
RECSEP17-
B14
RECSEPI 7-I RECSEPI 7-I RECSEPI 7-
A13 A14 AIS
RECSEPI 7SE-
SW A6
RECSEPI 7SE-
SWA 7
RECSEPI 7SE-
SWA8
RECSEPI 7SE-
V16
Figure 9
'y
RECSEPI 7SE-
SWD3
~ RECSEPI 7SE-
SWD4
REC SE Pl 7 -Sidewall and Floor Sample Locations
Mayflower Mine VCP Site #C090
Wasatch County, Utah
RECSEP17-
SWNII
RECSEP17-
SWN12
'SE-
,CSEP17-
SWSS
RECSEPI 7SE-
Xl 7
..--...,.
RECSEP17-SW-X
RECSEP17-Al-X
SWN17
/
RECSEP17-
100 Feet
/N\
W+E \._s_,/
Key
End of Sidewall Stake (5-point composite
aliquot sampled at 20 feet equal distance)
Denotes Composite Sidewall Sample ID
Denotes Composite Floor Sample ID
Modified from Alliance Engineering, March 2022
RECSEPI 7SE-
SWB3
RECSEPI 7SE-
SWB4
RECSEPI 7SE-
SWB5
SWB6
RECSEPI 7SE-
SWB7
Figure 10
"'
RECSEPI 7SE-
SWCJ
REC SEP17-Sidewall Sample Locations
Mayflower Mine VCP Site #C090
Wasatch County, Utah
RECSEPI 7SE-
SWCI
RECSEPI 7SE-
SWCZ
~
RECSEP17-SW-X
100 Feet
/N\
W+E \.__s_,/
Key
End of Sidewall Stake (5-point composite
aliquot sampled at 20 feet equal distance)
Denotes Composite Sidewall Sample ID
Modified from Alliance Engineering, March 2022
RR-SWl
RR-SW3
Figure 11
Railroad Spur Area -Sidewall and Floor Sample Locations
Mayflower Mine VCP Site #C090
Wasatch County, Utah
RR-SW2
..--....,.
100 Feet
/N\
W +E \._s_,/
Key
End of Sidewall Stake (5-point composite
aliquot sampled at 20 feet equal distance)
I I Denotes Composite Sidewall Sample ID RR -SW-X
I RR -Al-X I Denotes Composite Floor Sample ID
LMCRIO-
G99/H99
1uo-
L~~st~ ·, ',',
RED DASH
(extent of excavation, no
sampling completed)
'' ,,,, ,,,, ,,,, ,,,, ,,,
Modified from Alliance Engineering, March 2022
,,
Figure 12
Lower McHenry Canyon -Sidewall and Floor Sample Locations
Mayflower Mine VCP Site #C090
Wasatch County, Utah
~
LMC-SW-X
LMC-Al-X
LMCR7-SWSI
LMCR7-
E13/D13
LMCR6-
Hau1Road1
Demarcation Area
LMCR6-SW;
Key
'1 ,, ,,
\ I LMCR6-SWN3
,I
100 Feet
/N\
W+E \._s_,/
End of Sidewall Stake (5-point composite
aliquot sampled at 20 feet equal distance)
Denotes Composite Sidewall Sample ID
Denotes Composite Floor Sample ID
MFWR-SWDll
FMRW-SWD9
FMRW-SWDI0
FMRW-SWAIO
,wo6
FMRW-SWD8
FMRW-SWD7 L
, c::!.:::: ~wuu,-uu,,un I I
FMRW-SWAll
FMRW-SWA14
FMRW-SWAl4A
FMRW-SWAl5
FMRW-SWAl6
FMRW-SWAIS
FMRW-SWAl7
FMRW-SWA20 ~
FMRW-O17/Nl 7
FMRW-SWAl7 /
FMRS-SWHIO
\
FMRS-SWH8
FMRS-SWH9
FMRS-Ai;----~-----::i::=r==o:: ~.' -
FMRS-I ,~ ,-\ ' \~ -\
FMRS-SWGS
FMRS-SWHJ
\
~RS-SWHI \ FMRS-SWG2
, FMRS-SWGI FMRS-SWGJ
FMRS-SWH5 \ FMRS-SWH2
FMRS-SWH4
FMRS-N20
100 Feet
/N\
W+E \.__s_,/
Key Figure 13 ..--....,. End of Sidewall Stake (5-point composite
aliquot sampled at 20 feet equal distance)
Modified from Alliance Engineering, March 2022
Former Mine Road Areas -Sidewall and Floor Sample Locations
Mayflower Mine VCP Site #C090
Wasatch County, Utah
FMR -SW-X
FMR-Al-X
Denotes Composite Sidewall Sample ID
Denotes Composite Floor Sample ID
f u=-c:::
Modified from Alliance Engineering, March 2022
Figure 14
Former Mine Road Areas -Sidewall Sample Locations
Mayflower Mine VCP Site #C090
Wasatch County, Utah
~
FMR-SW-X
100 Feet
/N\
W+E \._s_,/
Key
End of Sidewall Stake (5-point composite
aliquot sampled at 20 feet equal distance)
Denotes Composite Sidewall Sample ID
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REFERENCES
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DATA TABLES
Table 2
Summary of Lab Analytical Results for Metals in Soil for MFWR Area
Mayflower Mine VCP Site #C090
Wasatch County, Utah
Laboratory Analytical Results (mg/l<g)
Lab Analytical
Sample Name AWALLab Cadmium Copper Sample Set# Lead Arsenic
(Pb) (As) (Cd) (Cu)
500 100 71 3,100
MFWR-SW3-COMP 115 11 .0 1.08 21 .8
MFWR-SW5-COMP 230 12.9 1.56 65.3
MFWR-SW17-COMP 1908439 100 13.4 1.25 36.1
MFWR-SW16-COMP 52.8 14.4 0.992 26.9
MFWR-SW1S-COMP 98.1 14.2 1.26 38.1
MFWR-SW6-COMP 181 16.4 1.41 50.1
MFWR-SW7-COMP 1908482 23.4 14.5 0.583 11 .6J
MFWR-SW8-COMP 178 16.4 1.88 44.8
MFWR-SW9-COMP 265 15.8 2.37 76.9
MFWR-SW1-COMP 212 14.6 1.77 51 .8
MFWR-SW2-COMP 115 10.5 1.16 31 .9
MFWR-H4-COMP 73.5 18.2 0.967 31 .7
MFWR-I4-COMP 1909105 192 15.1 1.29 47.4
MFWR-J4-COMP 82.9 13.9 1.04 28.5
MFWR-J5-COMP 95.8 11 .8 1.38 28.1
MFWR-I5-COMP 118 12.1 1.65 31 .1
MFWR-G3-COMP 86.2 12.4 0.915 45.9
MFWR-H5-COMP 176 16.3 1.85 78.2
1909194
MFWR-J6-COMP 127 14.1 1.66 43.4
MFWR-I6-COMP 173 19.5 1.64 53.1
MFWR-I3-COMP 58.6 19.7 0.976 24.0
1909373
MFWR-H3-COMP 155 29.7 1.30 48.6
MFWR-J7-COMP 103 19.4 1.13 64.2
MFWR-I8-COMP 131 24.0 1.25 43.8
1909553
MFWR-I7-COMP 51 .8 19.3 0.650 33.5
MFWR-H7-COMP 214 26.3 3.54 51 .4
MFWR-H6-COMP 84.0 16.2 0.731 30.9
MFWR-G4-COMP 76.8 12.6 0.723 31 .3
MFWR-SW14-COMP 239 16.1 2.63 58.4
MFWR-D2-COMP 69.1 11 .1 0.558 20.6
MFWR-E3-COMP
1909588
49.2 19.1 0.590 19.6
MFWR-E2-COMP 62.7 10.4 0.675 22.2
MFWR-GS-COMP 93.4 15.9 1.37 48.6
MFWR-F2-COMP 166 13.3 1.01 38.8
MFWR-F3-COMP 87.8 14.4 0.859 30.0
MFWR-F4-COMP 51 .8 18.8 0.906 22.3
MFWR-H8-COMP 43.3 30.4 2.62 19.0
MFWR-I9-COMP 145 21 .9 1.47 40.7
MFWR-J9-COMP 1909645 165 16.4 1.98 43.7
MFWR-G6-COMP 27.1 23.9 0.716 21 .3
MFWR-K9-COMP 161 16.6 2.11 53.4
MFWR-J1on10-COMP 1911028 88.8 11 .4 1.05 24.7
MFWR-SW18-COMP 156 16.9 1.77 40.9
MFWR-SW19-COMP 238 18.7 2.21 50.8
1911047
MFWR-SW20-COMP 63.3 14.8 0.944 26.5
MFWR-H10-COMP 335 22.0 3.52 61 .8
MFWR-G12-COMP 49.2 15.3 1.15 25.5
MFWR-G10/F10-COMP 1911516 262 16.2 2.67 55.5
MFWR-G11-COMP 83.2 13.3 1.68 31 .3
MFWR-SW10-COMP 245 19.6 2.29 75.3
MFWR-SW11-COMP 83.6 27.3 0.711 32.3
MFWR-L4-COMP 307 23.0 4.02 30.6
MFWR-SW12-COMP 131 22.8 1.11 38.1
MFWR-L5IL6-COMP 1912381 71 .8 18.3 1.32 32.6
MFWR-SW13-COMP 197 38.6 1.12 42.7
MFWR-L7IL8-COMP 71 .4 20.1 0.650 35.0
MFWR-K4-COMP 50.1 25.5 0.956 28.1
MFWR-H9-COMP 691 26.6 0.957 47.2
MFWR-KS-COMP 214 14.9 2.79 34.1
MFWR-K6-COMP 111 18.1 1.59 25.3
MFWR-K7-COMP 136 14.1 2.18 22.2
1912443
MFWR-KB-COMP 22.2 11 .0 0.253 J 8.41 J
MFWR-HauIRoad1-COMP 35.0 14.9 0.449J 19.5
MFWR-J8-COMP 91 .9 9.24 1.08 18.4J
Laboratory Analytical Reau/ta (mg/kg)
Lab Analytical
Sample Name AWALLab
Sample Set# Lead Arsenic Cadmium Copper
(Pb) (As) (Cd) (Cu)
500 100 71 3,100
MFWR-C2N-COMP 2001451 88.3 22 .6 1.56 25.9
MFWR-H9A-COMP 140 19.9 1.52 152
MFWR-H10A-COMP 325 18.8 2.84 156
MFWR-I9A-COMP 2105684 82.4 22.8 0.840 24.5
MFWR-G2A-COMP 42.3 10.6 0.541 22 .4
MFWR-F2A-COMP 102 10.5 0.763 29.3
MFWR-SWD11 -COMP
2106108
81 .0 13.1 0.750 33.8
MFWR-SWE1-COMP 83.9 9.55 0.744 31 .7
MFWR-E1N-COMP 2106202 127 11 .2 1.26 30.0
MFWR-SW21-COMP
2106348
251 H 19.1 H 4.35H 68.9H
MFWR-SW22-COMP 458H 27.3H 7.42H 139H
MFWR-SWE11-COMP 2106551 75.9 16.8 0.893 27.1
MFWR-SW23-COMP 41 .8 21 .8 0.824 31 .7
MFWR-SW24-COMP 2106682 29.5 11 .9 0.630 31 .4
MFWR•D14-COMP 80.2 10.5 1.10 23.1
MFWR-SW25-COMP 45.6 11 .3 0.873 20.8
MFWR-SW26-COMP 2106766 49.2 25.2 0.967 32.3
MFWR-SWE12-COMP 185 12.1 1.32 43.2
MFWR-O20-COMP 2107127 100 1.98 0.553 19.7
MFWR-O19-COMP 2107248 91 .4 3.32 0.703 14.8
MFWR-SWE13-COMP 91 .4 4.00 0.419 17.6
2107278
MFWR-A3-COMP 43.5 1.98 0.552 8.12
MFWR•A2-COMP 89.4 6.04 2.21 95.4
MFWR-B7-COMP 20.0 3.45 0.200 10.6
MFWR-B9-COMP 51 .1 3.31 5.43 34.1
MFWR-B8-COMP 69.5 3.76 0.437 12.7 2107439
MFWR•A1-COMP 192 3.39 1.18 26.4
MFWR-SWE14-COMP 233 3.81 1.30 48.4
MFWR-C25-COMP 60.8 2.14 0.362 10.6
MFWR-SWE15-COMP 71.8 4.99 0.436 18.1
MFWR-B6N-COMP 46.2 12.4 1.03 31 .2
MFWR•B2-COMP 34.2 12.2 8.79 80.4
MFWR•B1-COMP 32.7 45.7 0.682 16.3
MFWR-C7-COMP 2107627 22.5 13.1 3.99 86.6
MFWR-C&-COMP 18.5 13.7 0.759 14.5J
MFWR-B5-COMP 39.2 17.7 1.42 21 .5
MFWR-64-COMP 387 13.1 1.83 89.1
MFWR-C9-COMP 32.0 13.8 2.01 27.0
MFWR-CB-COMP 2107728 22.3 15.2 0.901 15.1 J
MFWR-B3-COMP 24.6 22.9 0.910 23.6
MFWR•HAUL ROAD CS.COMP 29.0 16.0 0.631 15.8J
2108217
MFWR•B11S-COMP 23.4 6.78 0.382 J 19.4
MFWR-B65-COMP 112 15.0 1.06 51 .0
MFWR-SWG7-COMP 24.2 7.22 0.411 J 20.1
2108218
MFWR-SWG6-COMP 25.2 7.62 0.405J 18.7
MFWR•B10-COMP 94.6 12.5 1.28 22.7
MFWR-SWG8-COMP 75.8 9.24 0.775 23.9
MFWR•B12-COMP 2108236 23.5 6.76 0.957 74.7
MFWR•B11N-COMP 10.7 5.28 0.384 J 7.78J
MFWR-SW27-COMP 72.7 8.56 1.30 25.2
MFWR-C12-COMP 27.0 7.13 11 .1 611
MFWR-C11-COMP 23.3 10.4 0.698 31 .4
2108361
MFWR-C10-COMP 46.8 14.0 0.780 26.1
MFWR•B13-COMP 35.6 7.31 0.533 J 19.6
MFWR-C13-COMP 98.4 12.1 1.04 28.9
MFWR-SW4-COMP 86.4 16.0 1.00 40.0
2109202
MFWR•E1-COMP 203 10.6 1.54 41 .0
MFWR-Portal Floor-COMP 2109278 405 21 .0 2.76 51 .6
MFWR-C2 Haul-COMP 31 .0 22.1 0.681 39.8
2109279
MFWR•B4 Haul-COMP 32.6 16.3 1.13 22.1
H: sample wa s received ou ts ide of the hold ing t ime .
J: estimated value between the MDL and the reporting limit.
Table 3
Summary of Lab Analytical Results for Metals in Soil for Beaver Pond/WeUand Area
Mayflower Mine VCP Site #C090
Wasatch County, Utah
Laboratory Analytical Results (mg/kg)
Lab Analytical
Sample Name AWALLab
Cadmium Copper Sample Set# Lead Arsenic
(Pb) (As) (Cd) (Cu)
500 100 71 3,100
BP-SWN1-COMP 39.0 6.71 1.03 24.9
BP-SWN2-COMP 96.3 13.7 1.32 31.8
BP-SWS1-COMP" 1911249 55.6 7.46 1.04 25.5
BP-SWS2-COMP 98.4 10.0 1.43 25.8
BP-SWN3-COMP 116 13.8 1.40 35.3
BP-SWS3-COMP 1911257 321 16.1 5.52 85 .2
BP-F14-COMP 125 14.3 5.22 65 .3
BP-F13-COMP
1911352
166 13.9 4.08 63 .1
BP-G13-COMP 143 15.0 4.21 38.1
BP-E111E12-COMP 32.3 12.7 4.08 39.3
BP-F11-COMP 1911505
181 14.9 2.83 57.6
BP-F12-COMP 66.5 14.1 3.73 72.0
BP-HauIRoad1-COMP 122 15.7 1.28 34.3
BP-HauIRoad2-COMP 1911506 222 20.7 2.35 51.1
BP-HauIRoad3-COMP 109 9.43 1.28 30.5
• -This sample and the MS/MSD of this sample were submitted as 2 separate samples however the lab only analyzed the
MS/MSD hence the analytical results reported in Table 3 are the same as the analytical results reported in Table 11.
Table4
Summary of Lab Analytical Results for Metals in Soil for Yellow Pond Area
Mayflower Mine VCP Site #C090
Wasatch County, Utah
Laboralory Analytical
Reau/ta (mg/kg)
Lab Analytical
Sample Name AWALLab Lead Arsenic Sample Set# (Pb) (As)
500 100
VP-SWS2.COMP 66.9 12.0
VP-SWS4-COMP 56.9 12.3
VP-SWSJ.COMP 62.7 14.6
VP-SWSS.COMP 46.7 14.5
VP-SWS7.COMP 106 17.9
VP-SWS6.COMP 67.9 17.8
VP-SWS8.COMP 129 14.9
VP-SWS9.COMP 103 14.8
VP-SWS10-COMP 46.7 13.5
VP-SWNJ-COMP 65.6 14.7
VP-SWN4-COMP 81 .1 17.6
VP-SWNS-COMP 1910165 72.1 14.0
VP-SWN6-COMP 106 14.2
VP-SWTS4-COMP 240 19.6
VP-SWTNJ-COMP 64.4 15.6
VP-SWTSJ-COMP 72.9 15.1
VP-TF2-COMP 118 22.6
VP-SWTN4-COMP 248 25.8
VP-SWTN2-COMP 59.1 15.5
VP-SWTS2-COMP 212 28.6
VP-TF1-COMP 379 48.4
VP-SWTS1-COMP 315 28.7
VP-SWTN1-COMP 184 25.8
VP-SWE1.COMP 104 16.2
VP-SWE2.COMP 80.8 16.8
VP-SWEJ.COMP 65.1 16.2
VP-SWE4-COMP 106 14.5
VP.C1.COMP 232 15.3
VP-ES-COMP 140 22.2
VP-02..COMP 172 17.0
VP-82..COMP 28.4 11.4
VP.C2.COMP 117 22.7
VP-BJ.COMP 53.8 13.6
VP.CJ.COMP 174 24.2
VP-OJ.COMP 92.8 16.4
VP.C:4-COMP 51 .8 16.0
VP-84-COMP 45.3 14.9
VP-A456-COMP 75.8 16.4
VP-04-COMP 410 38.2
1910351
VP-E4-COMP 44.9 12.3
VP-BS.COMP 73.3 15.5
VP.CS.COMP 95.9 16.2
VP-OS.COMP 61 .7 15.5
VP-EJ-COMP 91 .1 13.8
VP-E6-COMP 90.1 16.0
VP-06..COMP 68.8 15.8
VP.C6.COMP 87.0 17.5
VP-86..COMP 156 17.6
VP-87..COMP 132 16.8
VP.C7.COMP 53.0 15.2
VP-SWS1.COMP 61 .6 12.1
VP-SWSA-COMP 175 13.4
VP-SWSB.COMP 93.9 12.8
VP-SWN2-COMP 98.7 14.8
VP-SWN1-COMP 190 20.0
Laboratory Analytical
Ruutts (m9'f<g)
Lab Analytical
Sample Name AWALLab Lead Arsenic Sample Set#
(Pb) (As)
500 100
YP-SWEA-COMP 126 14.5
YP-SWEB-COMP 72.0 13,3
YP-SWEC-COMP 100 16.2
YP-SWN11-COMP 114 15.2
YP-SWN9-COMP 190 16,8
YP-SWN7-COMP 280 15.0
YP-SWE6-COMP 147 16.1
YP-SWE7-COMP
1910505
59,9 18,9
YP-SWE5-COMP 59.8 16.0
YP-SWN8-COMP 272 18.6
YP-SWE8-COMP 79.2 16.3
YP-SWN10-COMP 282 22.7
YP-88-COMP 149 19.1
YP-89-COMP 66,5 15.3
YP-D7-COMP 243 24.6
YP-SWS11-COMP 62.9 18.3
YP-D0IC0-COMP 153 28.4
1910554
YP-D1-COMP 178 17.0
YP-F4,5-COMP 91 .6 15.4
YP-F6,7-COMP 57.2 13.3
YP-E7-COMP 307 26.0
YP-D8-COMP 111 19.6
YP-D9,10,11-COMP 129 15.1
YP-C9-COMP 178 17.0
YP-C10-COMP 141 15.1
YP-C12-COMP 1910672 119 15.9
YP-C11-COMP 191 22.1
YP-811-COMP 64.3 14.8
YP-810-COMP 92.7 14.9
YP-A11-COMP 74.8 15.6
YP-A10-COMP 79.2 16.6
YP-A9-COMP 41 .1 16.1
YP-29, 10-COMP 35.2 11 .4
YP-C11-COMP-A 228 19.5
1911028
YP-C8-COMP 65,8 14.9
YP-SWS12-COMP 1911047 442 24.7
YP-E1/E2-COMP 149 17.5
2108788
YP-F2/F3-COMP 60.2 36,0
Table 5
Summary of Lab Analytical Results for Metals in Soil for REC 12 and REC SEP17
Mayflower Mine VCP Site #C090
Wasatch County, Utah
Laboratory Analytical
Ruults (mg/kg)
Lab Analytical
Sample Name AWALLab
Sample Set# Lead Arsenic
(Pb) (As)
500 100
REC12-SWS.COMP 122 16.1
REC12-SW6-COMP 100 14.8
REC12-SW15-COMP 24.8 9.56
REC12-SW14-COMP 87.3 14.4
REC12-SW16-COMP 54.0 11 .3
REC12-SW13-COMP 78.2 12.0
REC12-SW12-COMP 90.0 13.4
REC12-SW11-COMP 1909161 52.7 10.9
REC12-SW10-COMP 47.7 11 .4
REC12-SW9-COMP 326 30.3
REC12-SW8-COMP 294 21 .8
REC12-SW7-COMP 114 14.6
REC12-SW3-COMP 55.8 12.2
REC12-SW2-COMP 166 21 .4
REC12-SW1-COMP 118 15.7
REC12-SW4-COMP 261 26.4
REC12-HauIRoad1-COMP 52.2 12.0
1909194
REC12-HauIRoad2-COMP 72.4 13.5
REC12-HauIRoad3-COMP 173 19.1
REC12-B5-COMP 61 .0 14.8
REC12-C5-COMP 50.8 11 .8
REC12-B2-COMP 98.9 17.2
REC12-C2-COMP 61.4 11 .8
1909504
REC12-C3-COMP 41 .5 11 .7
REC12-C4-COMP 46.3 12.8
REC12-C7-COMP 127 19.2
REC12-C6-COMP 172 17.8
REC12-B3B4-COMP 114 15.1
1909645
REC12-B6B7-COMP 170 22.3
RECSEP17-SWS2-COMP 100 12.5
1910506
RECSEP17-SWS1-COMP 83.7 15.9
RECSEP17-SWN4-COMP 144 14.2
RECSEP17-SWNS.COMP 79.6 12.6
RECSEP17-SWN6-COMP 129 15.5
1910554
RECSEP17-SWN3-COMP 230 18.7
RECSEP17-SWN1-COMP 86.0 15.4
RECSEP17-SWN2-COMP 47.1 11 .6
REC12-SWE1-COMP 65.2 14.3
REC12-SWE2-COMP 1910672 128 17.0
REC12-SW17-COMP 96.6 11 .1
REC12-SWE4-COMP 228 19.6
REC12-SWE3-COMP 90.5 15.3
REC12-B8-COMP 113 21 .5
1910733
REC12-D9-COMP 161 19.3
REC12-C9-COMP 144 18.4
REC12-C8-COMP 106 23.2
REC12-07-COMP 58.6 18.4
1911029
REC12-D8-COMP 152 19.4
REC12-010-COMP 93.0 16.0
REC12-E9-COMP 1911251 93.6 15.4
REC12-E8-COMP 51.9 13.5
REC12-SW18-COMP 38.4 11 .4
1911388
REC12-SW19-COMP 64.1 14.3
RECSEP17-SWS3-COMP 34.3 12.8
RECSEP17-SWS4-COMP 38.7 11 .5
RECSEP17-A12-COMP 190 22.1
RECSEP17-B12-COMP 1911506 62.3 28.4
RECSEP17-B13-COMP 36 .8 16.4
RECSEP17-A13-COMP 34.3 22.5
RECSEP17.Z12/Z13-COMP 48.6 11 .0
Laboratory Analytical
Results (mg/kg)
Lab Analytical
Sample Name AWALLab
Sample Set# Lead Arsenic
(Pb) (As)
500 100
RECSEP17SE-SWC1-COMP 77.1 15.8
RECSEP17SE-SWC2-COMP 189 22.4
RECSEP17SE-SWD3-COMP 226 21 .8
1911620
RECSEP17SE-SWD1-COMP 59.9 17.0
RECSEP17SE-SWD2-COMP 137 20.1
RECSEP17SE-SWD4-COMP 107 26.6
RECSEP17SE-SWA1 -COMP 181 14.8
RECSEP17SE-SWB1-COMP 70.1 16.6
RECSEP17SE-SWB2-COMP 97.5 12.9
RECSEP17SE-SWB3-COMP 76.2 12.3
RECSEP17SE-SWB4-COMP 1911656 66.8 12.7
RECSEP17SE-SWA2-COMP 78.1 12.5
RECSEP17SE-SWB5-COMP 106 13.7
RECSEP17SE-SWAJ.COMP 112 13.1
RECSEP17SE-SWA4-COMP 47.8 12.3
RECSEP17SE-SWD0-COMP 153 17.0
RECSEP17SE-X18/Y18-COMP 139 28.3
RECSEP17SE-SWC0-COMP 1911660 83.4 14.3
RECSEP17SE-W17/W18-COMP 61.1 25.3
RECSEP17SE-X17-COMP 243 25.3
RECSEP17SE-SWC3-COMP 129 17.8
RECSEP17SE-SWB6-COMP 45.7 7.64
RECSEP17SE-SWB7-COMP 58.7 14.1
RECSEP17SE-SWAS-COMP 241 18.9
RECSEP17SE-SWA6-COMP 372 18.0
RECSEP17SE•(•B11)/Z11-COMP 56.3 15.5
RECSEP17SE-SWAB-COMP 209 34.4
RECSEP17SE•(•B12)/Z12-COMP 1911692 83.1 12.1
RECSEP17SE-V1 &-COMP 102 20.3
RECSEP17SE-X1 &-COMP 55.1 15.8
RECSEP17SE-X15-COMP 53.7 12.7
RECSEP17SE.Z13/Y13/Y12-COMP 28.7 12.3
RECSEP17SE-Y16/Y15-COMP 35.9 14.7
RECSEP17SE-(-C14)/Y14/X14-COMP 76.4 12.9
RECSEP17SE-W16-COMP 47.3 28.2
RECSEP17SE-SWC4-COMP 110 14.4
1911697
RECSEP17SE-SWC5-COMP 65.0 14.1
RECSEP17SE-SWA 7-COMP 1912122 82.4 49.9
ERIREC12-HauIRoad2-COMP 25.6 10.8
REC12/RECSEP17-HauIRoad3-COM P 59.8 17.5
RECSEP17-A14-COMP 55.5 20.1
RECSEP17-SWS6-COMP 29.8 10.9
RECSEP17-C14/C15-COMP 43.6 14.3
RECSEP17-(-B14)-COMP 37 .3 14.7
RECSEP17-B14-COMP 50.5 16.9
RECSEP17-(-B15)-COMP 113 21 .6
1912121
RECSEP17-B15-COMP 116 24.0
RECSEP17-SWNB-COMP 123 13.9
RECSEP17-SWN9-COMP 87.3 14.8
RECSEP17-SWN7-COMP 144 16.7
RECSEP17-SWN10-COMP 157 16.0
RECSEP17-A15-COMP 24.5 12.2
REC12/RECSEP17-HauIRoad4-COM P 43.2 19.0
RECSEP17-SWS7-COMP 44.1 12.3
Laboratory Analytical
Results (mg/kg)
Lab Analytical
Sample Name AWALLab
Sample Set# Lead Arsenic
(Pb) (As)
500 100
RECSEP17SE-V16-COMP2 1912124 149 22.8
RECSEP17-SWN11-COMP 60.5 15.9
RECSEP17SE-SWB8-COMP 63.9 12.5
RECSEP17-(-C18)-COMP 47.3 14.9
RECSEP17SE-SWS7-COMP 97.6 15.5
RECSEP17-B17-COMP 40.9 19.4
RECSEP17-(-C15)-COMP 43.8 17.7
RECSEP17-(-C17)-COMP 81.7 17.7
1912194
RECSEP17-B16-COMP 67.1 24.1
RECSEP17-(-B16)-COMP 70.1 18.8
RECSEP17-B18-COMP 58.2 19.7
RECSEP17-A16-COMP 37.9 18.5
RECSEP17-A18-COMP 45.1 25.9
RECSEP17-(-C16)-COMP 45.0 16.7
RECSEP17-A17-COMP 60.7 17.6
RECSEP17-SWS8-COMP 137 15.1
RECSEP17-SWN12-COMP 44.5 15.5
RECSEP17-(-C19)-COMP 29.0 13.1
RECSEP17-SWN13-COMP 70.1 16.6
RECSEP17-SWS9-COMP 79.3 16.3
RECSEP17-SWS10-COMP 59.4 20.4
RECSEP17-SWN14-COMP 65.8 25.4
RECSEP17-SWN15-COMP 77.3 23.2
RECSEP17-(-B21)-COMP 113 55.8
RECSEP17-SWN16-COMP 81.2 25.7
RECSEP17-SWS11-COMP 1912380 118 16.4
RECSEP17-(-B22)-COMP 44.5 19.0
RECSEP17-(-B19)-COMP 76.4 24.1
RECSEP17-(-B18)-COMP 70.8 21 .3
RECSEP17-(-B20/-C20)-COMP 40.3 16.2
RECSEP17-SWN17-COMP 200 15.0
RECSEP17-A19-COMP 38 .8 20.7
RECSEP17-SWS12-COMP 183 23.4
RECSEP17-(-B17)-COMP 136 20.7
RECSEP17-SWS5-COMP 52.1 17.1
RECSEP17-Y17-COMP 92.9 17.8
RECSEP17-SWN18-COMP 1912443 165 10.8
Table&
Summary of Lab Analytical Results for Metals in Soil for Railroad Spur Area
Mayflower Mine VCP Site #C090
Wasatch County, Utah
Laboratory Analytical
Reau/ts (m9'1<9)
Lab Analytical
Sample Name AWALLab
Sample Set# Lead Arsenic
(Pb) (As)
500 100
RR-SW3-COMP 96.2 20.7
1908439
RR-A1-COMP 53.8 14.8
RR-SW1-COMP 79.4 14.2
1908482
RR-SW2-COMP 131 14.9
Table7
Summary of Lab Analytical Results for Metals in Soil for Lower McHenry Canyon
Mayflower Mine VCP Site #C090
Wasatch County, Utah
Laboratory Analytical
Reau/ts (m9'1<9)
Lab Analytical
Sample Name AWALLab
Sample Set# Lead Arsenic
(Pb) (As)
500 100
LMCR6-SWS1-COMP 157 21.6
LMCR6-SWN1 -COMP 159 25.9
LMCR6-SWS2-COMP 365 29.9
LMCR6-FA-COMP 251 25.3
LMCR6-SWN2-COMP 261 36.7
1910351
LMCR6-SWSJ.COMP 92.1 16.3
LMCR6-SWS4-COMP 53.5 12.4
LMCR6-SWNJ.COMP 217 23.0
LMCR6-FB-COMP 145 24.9
LMCR6-HauIRoad1-COMP 53.4 16.9
LMCR7-SWS1-COMP 183 22.0
LMCR7-SWN1 -COMP 219 26.4
LMCR7-SWN2-COMP 116 22.2
1911029
LMCR7-SWS2-COMP 47.3 21 .1
LMCR7-SWSJ.COMP 224 26.0
LMCR7-SWNJ.COMP 58.1 15.9
LMCR7-SWN4-COMP 126 15.7
LMCR7-SWN5-COMP 70.2 14.2
LMCR7-SWN6-COMP 62.7 11.0
LMCR7-SWN7-COMP 55.1 9.80
1911250
LMCR7-E12-COMP 264 21.4
LMCR7-E11-COMP 194 29.6
LMCR7-E13/D13-COMP 100 16.0
LMCR7-D11/D12-COMP 76.4 16.6
LMCR7-F10-COMP 158 35.2
LMCR7-E10-COMP 170 23.6
1911257
LMCRB-SWNB-COMP 33.0 9.74
LMCR7-F9-COMP 85.2 32.1
LMCR7-SWS4-COMP 242 27.1
LMCR8-FB-COMP 162 25.5
LMCR7-SWS5-COMP 256 20.2
LMCR7-SWS6-COMP 122 21 .3
LMCR8-F7-COMP 47.2 16.5
1911388
LMCR8-SWS7-COMP 121 15.9
LMCR8-SWSB-COMP 88.3 10.9
LMCR8-F6-COMP 49.9 20.1
LMCR9-F5-COMP 101 17.6
LMCR9-SWN10-COMP 70.1 13.3
LMCR7-SWN9-COMP 1911505 68.2 13.8
LMCR9-SWS9-COMP 36.2 9.09
LMCR9-SWS10-COMP 35.3 8.35
LMCR9-SWN11-COMP 209 20.3
LMCR9-SWN12-COMP 176 16.3
LMCR10-SWN15-COMP 103 17.0
LMCR9-SWS11-COMP 28.6 8.86
LMCR9-SWS12-COMP 1911506 31.2 11 .4
LMCR10-SWS13-COMP 85.4 11.6
LMCR10-SWS14-COMP 106 11 .8
LMCR9-F3/G3-COMP 59.0 17.1
LMCR9-F4-COMP 93.2 19.7
LMCR10-G1/H1-COMP 110 19.2
LMCR10-G2-COMP 251 25.3
LMCR9-SWN13-COMP 262 17.5
LMCR9-SWN14-COMP 1911516 190 12.5
LMCR9-SWN16-COMP 149 16.9
LMCR10-G99/H99-COMP 118 17.7
1911605
LMCR10-GO/HO-COMP 96.1 32.1
Table 8
Summary of Lab Analytical Results for Metals in Soil for Former Mine Road Areas
Mayflower Mine VCP Site #C090
Wasatch County, Utah
Laboratory Analytical Reau/ta (mg/kg)
Lab Analytical
Sample Name AWALLab
Sample Set# Lead Arsenic Cadmium Copper
(Pb) (As) (Cd) (Cu)
500 100 71 3,100
FMRW-SWA9-COMP 247 15.2 3.66 21 .5
FMRW-SWA10-COMP 262 16.2 2.12 33.6
FMRW-Floor1-CL 1-CL4-COMP 51 .8 17.4 0.896 18.5
FMRW-SWA11-COMP
1912381
75.1 17.0 1.17 18.7
FMRW-Floor2-CLS.CLS.COMP 55.1 14.6 1.11 16.2
FMRW-SWA12-COMP 79.0 12.1 0.976 12.5J
FMRW-SWA13-COMP 221 16.8 1.55 24.9
FMRW-SWA14-COMP 667 25.1 3.91 68.8
FMRW-SWA15-COMP 99.5 7.88
FMRW-SWD5-COMP 1912443 359 12.4
FMRW-SWA16-COMP 84.4 11 .3
FMRW-SWD6-COMP 417 19.2 3.12 43.2
FMRW-SWD7-COMP 2105684 289 17.4 2.18 34.2
FMRW-SW5A-COMP 130 15.4 0.972 38.6
FMRW-SWD8-COMP 211 18.8 1.84 56.7
FMRE-SWD9-COMP 86.0 6.96 0.431 29.6
FMRE-SWD10-COMP 250 11 .5 0.916 79.2
FMRW-U16-COMP 84.5 17.8 0.993 20.8
2106108
FMRW-T17-COMP 190 18.5 2.56 28.7
FMRE-SWE2-COMP 288 14.3 1.31 65.7
FMRE-SWE3-COMP 185 14.6 1.34 53.7
FMRW-SWF3-COMP 90.2 16.7 1.17 25.4
FMRW-SWF1-COMP 161 17.0 1.55 30.3
FMRW-SWF2-COMP 200 18.2 2.53 35.3
FMRW-SWA 14A-COMP 72.3 17.7 1.16 22.5
FMRE-SWF4-COMP 50.7 9.69 0.419J 23.5
FMRE-SWE5-COMP 167 21 .0 1.26 57.1
FMRE-SWE4-COMP 170 15.9 1.27 34.1
FMRE-U18/\J19-COMP 23.8 9.48 0.216J 28.8
2106202
FMRE-T19-COMP 119 14.1 1.05 37.0
FMRE-519-COMP 145 20.5 1.19 29.9
FMRE-SWF5-COMP 61 .0 16.0 0.972 20.9
FMRW-S18-COMP 213 21 .9 2.23 28.4
FMRW-SWA17-COMP 389 21 .4 3.46 61 .4
FMRW-SWA19-COMP 240 22.3 2.32 75.5
FMRS-SWH1-COMP 62.5 13.9 0.585 J 25.7
FMRW-SWA18-COMP 246 23.8 2.97 44.9
FMRE-T18-COMP 165 16.9 1.73 34.8
FMRE-SWE6-COMP 182 23.3 1.76 43.8
FMRE-SWE7-COMP 225 26.2 2.00 29.1
FMRW-SWES.COMP 472 28.5 3.09 67.9
FMRW-SWE9-COMP 290 26.9 3.60 45.4
FMRS-SWH3-COMP 310 18.5 2.14 76.4
2106261
FMRS-SWH2-COMP 53.8 16.3 0.970 24.6
FMRW-Q17-COMP 63.7 17.9 1.02 17.6
FMRW-Q18-COMP 261 15.8 1.56 22.2
FMRE-Q19-COMP 228 16.7 1.81 29.6
FMRE-R19-COMP 92.0 17.6 1.25 23.4
FMRW-P17-COMP 59.2 30.3 3.97 44.6
FMRW-R18-COMP 47.1 15.5 1.30 23.2
FMRS-SWH4-COMP 161 15.0 1.36 46.2
FMRS-SWHS.COMP 170 16.0 1.58 51 .7
FMRS-SWH6-COMP 2106384 67.2 13.5 0.901 27.9
FMRS-SWH7-COMP 36.4 9.86 0.624 17.4
FMRS-SWHS.COMP 40.4 2. 0.621 o.
FMRS-SWH9-COMP 75.2 8.95 0.808 29.6
FMRS-SWH10-COMP 120 20.3 1.26 34.0
FMRW-SWA20-COMP 208 20.8 2.06 48.3
FMRW-SWA21-COMP 61 .6 14.8 1.06 26.6
2106551
FMRW-SWE10-COMP 49.4 17.6 1.01 26.6
FMRW-O18-COMP 69.3 16.4 1.22 25.1
FMRW-N1S.COMP 67.3 17.8 1.19 19.5
FMRW-P18-COMP 4 7. . 7 4 .
FMRW-O17/N17-COMP 2106682 75.7 25.1 1.83 19.7
Laboratory Analytical Results (mg/l<g)
Lab Analytical
Sample Name AWALLab
Cadmium Copper Sample Set# Lead Arsenic
(Pb) (As) (Cd) (Cu)
500 100 71 3,100
FMRS-N19-COMP 53.9 2.15 0.391 10.7
2107127
FMRS-N20-COMP 16.7 2.71 0.266 9.14
FMRS-SWG1-COMP 116 4.21 0.695 30.7
FMRS-SWG2-COMP 93.8 3.55 0.627 20.9
FMRS-SWGJ.COMP 2107248 50.0 3.88 0.442 13.6
FMRS-SWG4-COMP 31 .1 2.63 0.254 11 .5
FMRS-A5-COMP 14.0 3.06 0.085 7.36
FMRS-SWGS-COMP 52.2 3.28 0.360 11 .4
FMRS-A4-COMP 2107278 28.1 2.50 0.227 8.48
FMRS-021-COMP 46.5 2.27 0.363 7.17
FMRS-A6-COMP 2107439 17.1 3.38 0.156 7.86
FMRE-F1-COMP 2108361 45.0 9.67 0.520 22.2
J: estimated value between the MOL and the reporting limit.
Table 9
Summary of Lab Analytical Results for Metals in Soil for Haul Road Samples
Mayflower Mine VCP Site #C090
Wasatch County, Utah
Laboratory Analytical Reau/ta (mg/kg)
Lab Analytical
Sample Name AWALLab
Sample Set#
REC12-HauIRoad1-COMP
REC12-HauIRoad2-COMP 1909194
REC12-HauIRoad3-COMP
LMCR6-HauIRoad1-COMP 1910351
BP-HauIRoad1-COMP
BP-HauIRoad2-COMP 1911506
BP-HauIRoad3-COMP
ER/REC12-HauIRoad1-COMP
ER/REC12-HauIRoad2-COMP
1912121
REC12/RECSEP17-HauIRoad3-COM P
REC12/RECSEP17-HauIRoad4-COM P
MFWR-HauIRoad1-COMP 1912443
MFWR-HAUL ROAD C6-COMP 2108217
MFWR-C2 Haul-COMP
2109279
MFWR-B4 Haul-COMP
J: estimated value between the MOL and the reporting limit .
Lead
(Pb)
500
52.2
72.4
173
53.4
122
222
109
33.5
25.6
59.8
43.2
35.0
29.0
1.
3 .
Arsenic
(As)
100
12.0
13.5
19.1
16.9
15.7
20.7
9.43
11 .4
10.8
17.5
19.0
14.9
16.0
.1
6.
Cadmium
(Cd)
71
0.631
0.6 1
Copper
(Cu)
3,100
15.8J
9.
Table 10
Summary of Lab Analytical Results for Metals in Soil for Blind Duplicate Samples
Mayflower Mine VCP Site #C090
Wasatch County, Utah
Laboratory Analytical Results (mg/kg)
Lab Analytical
Sample Name Sample Components AWALLab
Sample Set# Lead Arsenic Cadmium Copper
(Pb) (As) (Cd) (Cu)
500 100 71 3,100
DUP-1 MFWR-SW17-COMP 1908439 116 15.3 1.49 36.2
P-2 -J cop 909 2.9 .26 33.6
DUP-3 MFWR-I6-COMP 1909194 158 14.6 1.75 49.6
DUP-4 REC12-C2-COMP 1909504 66.9 12.4
DUP-5 MFWR-I7-COMP 1909553 88.7 18.9
DUP-6 MFWR-D2-COMP 1909588 45.5 12.5
P-7 -9-C 964 17 2 .
DUP-10 YP-SWS7-COMP 92.1 17.7
1910165
DUP-11 YP-SWTN4-COMP 238 28 .3
DUP-12 YP-SWE4-COMP 118 15.7
DUP-13 LMCR6-SWS1-COMP 167 23 .6
DUP-14 LMCR6-FB-COMP 88 .6 18.9
1910351
DUP-15 YP-B4-COMP 60 .7 15.2
DUP-16 YP-B7-COMP 205 22 .4
• 7 yp. N1-CO P 1 5.2
DUP-18 YP-B9-COMP 1910505 68.7 17.6
DUP-20 RECSEP17-SWN4-COMP 178 14.8
1910554
DUP-19 YP-D1 -COMP 199 17.1
DUP-21 REC12-SWE1-COMP 65 .0 15.3
1910672
DUP-22 YP-E7-COMP 230
DUP-23 MFWR-SW19-COMP 1911047 242
CR7--C p 11 5 3
• 5 L C -s 8-CO 1257 38.2
DUP-26 LMCR8-F8-COMP 1911388 163
DUP-28 LMCR9-SWS11-COMP 27 .0
DUP-29 BP-HauIRoad2-COMP 1911506 235
• 7 E S P17-A cop 38 .2
DUP-30 RECSEP17SE-SWD1-COMP 1911620 51 .5
DUP-32 RECSEP17SE-SWBS-COMP 70 .3
1911656
DUP-31 RECSEP17SE-SWA4-COMP 40.9 11 .9
DUP-33 RECSEP17SE-X16-COMP 49.0 14.1 1911692
DUP-34 RECSEP17SE-Y16/Y15-COMP 38 .6 14.4
DUP-36 ER/REC12-HauIRoad2-COMP 21 .5 11 .7
1912121
DUP-35 RECSEP17-SWN10-COMP 100 13.4
• 7 E S P17-A -CO P 2 5 .2 .2
DUP-38 RECSEP17-SWN14-COMP 56 .2 16.0
1912380
DUP-39 RECSEP17-(-B21)-COMP 61 .0 46.8
0 F R-1 • 0 P 88.9 15.5
DUP-41 MFWR-L5/L6-COMP 1912381 32.7 8.10 0.853 11 .0J
DUP-42 MFMV-A1-COMP 31 .7 9.19 0.664 40 .8
DUP-43 MFWR-HauIRoad1-COMP 1912443 30 .6 16.2 0.365 J 19.1
-s -C p 105 1 7 . oo 3 .
-45 A co 21062 5.6 .62 3.3
DUP-48 FMRS-SWG2-COMP 2107248 105 3.22 0.728 22.9
DUP-51 MFWR-B8-COMP 2107439 48.2 2.92 0.227 9.06
-5 -C p 25 .0 6.87 1.10 97 .3
2108361
-57 cop 70 .5 11 .3 1.03 26 .0
J: estimated value between the MDL and the reporting limit.
Note: remaining Blind Duplicate samples presented in Appendix A: Other Concerns and Contingencies.
Table 11
Summary of Lab Analytical Results for Metals in Soil for Matrix Spike/Matrix Spike Duplicates
Mayflower Mine VCP Site #C090
Wasatch County, Utah
Laboratory Analytical Results (mg/kg)
Sample Name Sample Components
MFWR-I5-MS/MSD MFWR-I5-COMP
MFWR-GJ.MS/MSD MFWR-GJ.COMP
.J7-D 7-CO
MFWR-E3-MS/MSD MFWR-E3-COMP
MFWR-SW4-MSIMSD MFWR-SW4-COMP
YP-SWN4-MS/MSD YP-SWN4-COMP
LMCR6-SWN3-MS/MSD LMCR6-SWN3-COMP
YP-SWN2-MS/MSD YP-SWN2-COMP
RECSEP17-SWS2-MSIMSD RECSEP17-SWS2-COMP
RECSEP17-SWN5-MS/MSD RECSEP17-SWN5-COMP
YP-29, 0-SI D Y -29, 0-CO P
BP-SWS1-MS/MSD BP-SWS1-COMP
LMCR9-SWS12-MS/MSD LMCR9-SWS12-COMP
RECSEP17-B13-MS/MSD RECSEP17-B13-COMP
C P7S-S C2-RCS 7S--COP
RECSEP17SE-SWC3-MS/MSD RECSEP17SE-SWC3-COMP
RECSEP17SE-SWA5-MS/MSD RECSEP17SE-SWA5-COMP
RECSEP17-SWN9-MS/MSD RECSEP17-SWN9-COMP
RC P 7-SI S C P 7-S 17-0 P
MFWR-SW10-MS/MSD MFWR-SW10-COMP
MFWR-KS-MS/MSD X1, X2, X3, X4
FMRE-SWD9-COMP-MS/MSD X1 , X2, X3, X4, XS
J: estimated value between the MDL and the reporting limit.
Lab Analytical 1----....-----,-----.------t
AWALLab
Sample Set#
1909105
1909194
1 5 3
1909588
2109202
1910165
1910351
1910506
1910554
1 0672
1911249
1911506
19 620
1911692
1912121
19 23 0
1912381
1912443
2106108
Lead
(Pb)
500
110
76.5
44.3
144
89 .7
217
98.7
159
84.9
5 .2
55.6
31 .2
36.8
167
208
92.3
245
22.2
113
Arsenic
(As)
100
13.6
11.3
Cadmium
(Cd)
71
1.60
1.05
Copper
(Cu)
3,100
31.8
32.2
Note: remaining MS/MSD samples presented in Appendix A: Other Concerns and Contingencies .
Table 12
Summary of Lab Analytical Results for Metals in Soil for UDEQ-DERR Split Samples
Mayflower Mine VCP Site #C090
Sample Owner Sample Components
DEQ Mayflower MFWR-SW17-DEQ
RMEC MFWR-SW17-COMP
DEQ MFWR-I4-Comp.DEQ
RMEC MFWR-I4-COMP
DEQ REC12-CS-COMP-DEQ
RMEC REC12-CS-COMP
DEQ REC12-S2-COMP-DEQ
RMEC REC12-S2-COMP
DEQ YP-ES-COMP-DEQ
RMEC VP-ES-COMP
DEQ YP-C1-COMP-DEQ
EC YP-1-CO P
DEQ REC12-SW17-COMP-DEQ
RMEC REC12-SW17-COMP
C -C p.
EC C 2 7-C
DEQ REC12-08-COMP-DEQ
RMEC REC12-D8-COMP
EC BP-
DEQ SEP17-A 14-COMP-DEQ
RMEC RECSEP17-A 14-COMP
-C p.
EC -A2-CO
J: estimated value between the MDL and the reporting limit.
NA: Not analyzed
MDL -Method Detection Limit
RPO -Relative Percent Difference
PQL -Practical Quantitation limit
Wasatch County, Utah
Laboratory Analytical Reau/ta (mg/kg)
Lead Arsenic Cadmium Copper
(Pb) (As) (Cd) (Cu)
500 100 71 3,100
5XPQL 5XPQL 5XPQL 5XPQL
2.75 2.75 82.5 16.45
115 4.888 1.32J 25.9
100 13.4 1.25 36.1
328 6.480 1.68
192 15.1
58.0 5.073
50.8 11 .8
138 1.567
98.9 17.2
210 11 .4
140 22.2
279 8.19
2 2 5.
117 5.55
96.6 11 .1
.9
.4
199 11 .2
152 19.4
9. .7
19.5 7.19
55.5 20.1
7.7 .3
9.4 . 4
The calculation of RPO is applied when both sample concentrations are greater than five times the laboratory Practical Quantitation limit (PQL).
Lead
(Pb)
14%
52%
13%
33%
40%
18%
19%
58%
27%
18%
96%
9%
RPO%
Arsenic
(As)
93%
80%
80%
167%
64%
61%
67%
60%
54%
82%
95%
12%
Cadmium
(Cd)
5%
26%
Copper
(Cu)
33%
49"/,