Cabarrus shots 24-26 7-24-24

Blasting Report Report Number 24
Vumn Quarry: Cabarrus Date 6/18/24
Materials Company
Type of shot: Production Material: Granite Time of blast 11:04 AM
Material Specific Gravity: 2.81 Material Density(tons/yd): 2.37
Weather Temperature 82 °F Wind from N at 0 mph
Conditions Partly Cloudy and Calm
Blast Location LAT/LONG (degrees) N 35.409626 W 80.706592 Bench Level 485
Nearest occupied dwelling Location LAT/LONG Location N 35.410319 W 80.710639
(neither owned or leased) I Penske Distance from shot: 1229 feet Direction NW
Seismograph Service Provider: I SAULS LAT/LONG Location N 35.410011 W 80.710250
Model: NOMIS Operator: Michael Broadbent Distance from shot: 1096 feet Direction NW
Seismograph Location: west Berm V PPV 0.175 ips Air Overpressure 114 dB
#Holes per 8ms delay: 1 Max Ibs per delay: 526.39 lbs. Scaled Distance to nearest dwelling: 53.6
EXPLOSIVE
Supplier Product Weight lbs.)
Bulk Explosives oNo centre Gold 43,411.00
Cap Type Quanti Booster Type QuantityWeight(lbs.)
Initiation Systems 30'UNITRONIC DETONATOR 86 112 LS PENTEX 87 44.00
65'UNITRONIC DETONATOR 88 3/4 LB PENTEX 87 6b.00
Product Quantity(cases, rolls,sticks,etc.) Weight(Ibs.,if applicable)
Packaged Product
Total Explosive Weight: 43,520.00 Ibs.
Holes A Avg.
Row Hole Size Burden Spacing Benvgch Height Hole Subdrill Deck Length Tons
(inches) Row in (feet) (feet) (feet) Depth (feet) (if applicable)
ffaetl
1 6 7 1 14 14 46 49 3 5,533
2 6 8 14 14 46 49 3 6,324
3 6 10 14 14 46 49 3 7,905
4 6 10 14 14 46 49 3 7,905
5 6 10 14 14 46 49 3 1 1 7,905
6 6 10 14 14 46 49 3 7,905
7 6 10 14 14 46 49 3 7,905
8 6 10 14 14 46 49 3 7,905
9 6 11 14 14 46 49 3 8,695
Total#of holes: 86 Powder Factor: 1.56 tons/lb Totai: 67,979 tons
BLASTER INFORMATION AND COMMENTS
Workplace Inspection: YES VI Blaster protection during blast: OUTSIDE BLAST AREA(REMOTE)
#of persons on loading crew: 6 Blast mats used:I
Comments: Decked hole#14 due to seam.
Blaster in charge: LANE BROWN Quarry Superintendant/Designee:1 Justin Fes erman
Blaster License#: I U260 SC
Blaster Signature: y1,� Superintendant/Designee Signature:

VUl[an Detailed Hole Loading Chart Report Number 24
Materials Company Quarry: Cabarrus Date 6/18/24
Explosive weight: 43,520.00 lbs. Gallons of oil (if applicable): gal.
(including boosters) Oil weight: lbs.
Total explosive weight w/oil: lbs.
Hole/Deck Depth Stemming Rise/Air Delay Total pounds per Max pounds per delay 526.39
# (ft.) (ft.) (ft.) (ms) hole/deck
1 49 14 5 125 464.46 Typical Hole Diagram
2 49 12 5 100 495.43
3 49 12 5 75 495.43
4 49 13 5 50 479.94 Stemming
5 49 12 5 34 495.43 Type: 67
6 49 12 5 25 495.43
7 49 14 5 0 464.46 Amount(minimum)
8 _ 49 15 5 42 448.98 _
9 _ 49 15 5 109 448.98 T PLUS 50% OF BROKEN UP
10 51 18 5 151 433.50
11 51 16 5 176 464.46
12 51 16 5 268 464.46
13 51 16 5 360 464.46
14 51 30 0 452 325.12
15 51 18 5 569 433.50
16 51 19 5 661 418.01
17 49 11 5 217 510.91
18 49 11 5 192 510.91
19 49 11 5 167 510.91
20 49 11 5 142 510.91 Length of Hole(feet)
21 49 11 5 117 510.91
22 49 11 5 92 510.91 49
23 49 11 5 67 510.91
24 49 11 5 309 510.91
25 49 11 5 284 610.91
26 49 11 5 259 510.91
27 49 12 5 234 495.43
28 49 11 5 209 510.91
29 49 11 5 184 510.91
30 49 11 5 159 510.91
31 49 12 5 134 495.43
32 49 11 5 401 510.91
33 49 11 5 376 510.91
34 49 11 5 351 510.91 _
35 49 11 5 326 510.91
36 49 11 5 301 510.91
37 49 11 5 276 510.91
38 49 11 5 251 510.91
39 49 11 5 226 510.91
40 49 11 5 201 510.91
41 49 11 5 493 510.91
42 49 11 5 468 510.91 Floor Elevation (feet)
43 49 11 5 443 510.91
44 49 11 5 418 510.91 46
45 49 11 5 393 510.91
46 49 11 5 368 510.91 Sub-drill (feet)
47 49 11 5 343 510.91
48 49 11 5 318 510.91 3
49 49 11 5 293 510.91
50 49 11 1 5 51 510.91

Vulcan Detailed Hole Loading Chart Report Number 24
heecertsiac �v Quarry: Cabarrus Date 6/18/2024
Hole/Deck Depth Stemming Rise/Air Delay Total pounds per
# ft ft. ft. ms hole/deck
_ 51 _51_ 12 5 560 526.39
52 51 12 5 535 526.39
_ 53 51 12 5 510 526.39
54 _ 51 12 5 485 526.39
_ 55 _ 51 12 5 460 526.39
56 51 12 5 435 526.39
57 51 12 5 410 526.39
58 51 12 5 385 526.39
59 51 12 5 677 526.39
60 51 12 5 652 526.39
61 51 12 5 627 526.39
62 51 12 5 602 526.39
63 51 13 5 577 510.91
64 51 12 5 552 526.39
65 51 12 5 527 526.39
66 51 12 5 502 526.39
67 51 12 5 477 526.39
68 51 12 5 794 526.39
69 51 12 5 769 526.39
70 51 12 5 744 526.39
71 51 12 5 719 526.39
72 51 13 5 694 510.91
73 51 12 5 669 526.39
74 51 12 5 644 526.39
75 51 12 5 619 526.39
76 51 12 5 594 526.39
77 51 12 5 911 526.39
78 51 12 5 886 526.39
79 51 12 5 861 526.39
80 51 12 5 836 526.39
81 51 13 5 811 510.91
82 51 12 5 786 526.39
83 51 12 5 761 526.39
84 51 12 5 736 526.39
85 51 12 5 711 526.39
86 51 13 5 686 510.91
0.00
0.00
0.00
0.00
0.00
0.00
0.00
_ 0.00
_ 0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00

A/ 3a,yogl o
Shot Grid ?l W $' e s9 2-
PREDICTED SCALE DISTANCE: �✓ SHOT GRID COORDINATES:
DISTANCE TO NEAREST DWELLING: zt
DIRECTION TO NEAREST DWELLING: ,AJ
r
�s^ n'
?" C) r
M
h
� osZ�
t=J'� _
J
00
D c
`'ate lrtJ'°� ® n� �: ° �Q c�Cffi� c'l�

Sauls Seismic, LLC Nouns Seismographs.Inc.
Company: WLCAN. CABARRUS QUARRY r4116
Unit N:11034 6/18/2024 at 11:04:34 Event#2433
Location:250 ODELL SCHOOL RD
35 410012 -80.710271 Operator.Michael Broadbent
Notes: Record Duration:3.0 sec
Sample Rate: 1024/.sec
Distance:n/a Wgt. Per Delay:n/a Scaled Distance:n1a Last Calibration 17Aug23
Seismic Air
Gain: 1 Trigger:0.0300 in/s Gain: 1 Air Trigger: 120 dBL
Channel Radial Transverse Vertical Measurement Value Trigger>>>Peak
Velocity(ints) 0.1200 0.1750 0.1050 psi 0.0015233 1124.0
Frequency(Hz) 39.3 42.6 26.9 dBL 114.4
Displacement(in) 0.0005 0.0007 0.0006 Hz 2.2
Acceleration(g's) 0.077 0.121 0.046
Trigger>>>Peak 851.6 835.9 549.8
Waveform Analysis / Frequency Plot
Semmin Scale:0.32 inbldiv. USBM Limits(RI 8507, 1980)OSMRE(CFR 30, 1987)
Air Scale:0.00131psildiv V'ociTy(irosl
R NJ1 �(yew,+1rW '1 � V^i"Krv..•..._n�-,..,,-._ �._.._____.___..`._ .—...�I`l_—.
V ?M�t
_ _ - 0.1
fi�TTT �pT V
RW VV
g V
A RRR v R V R� VRVRV
I 0.01
Os is 2s 3s
1 10
I00
Frequency(Hz)

Blasting Report Report Number 25
Vulcan Quarry: Cabarrus Date 6/27/24
Materials Company
Type of shot: Production Material: Granite Time of blast 11:16 AM
Material Specific Gravity: 2.81 Material Density(tons/yd3): 2.37
Weather I Temperature 79 °F Wind from NE at 10 mph
Conditions Cloudy and ---Light Breeze
Blast Location LAT/LONG(degrees) N 35.413462 W 80.706344 Bench Level 610
Nearest occupied dwelling _ ocation LAT/LONG Location N 35.415681 W 80.708889
neither owned or leased) I Fisher V Distance from shot: 1108 feet Direction NW
!N
h Service Provider: DEEP RTH LAT/LONG Location N 35.415861 W 80.707889
Model: NOMIS Operator: Lee Johnson Distance from shot: 988 feet Direction NW
Seismo ra h Location: I Cessna Rd SMP PPV 0.305 ips Air Overpressure 120 dB
#Holes per 8ms delay: 1 Max Ibs per delay: 728.32 lbs. Scaled Distance to nearest dwelling: 41.0
EXPLOSIVES
Supplier Product Weight(lbs.
Bulk Explosives oNOS Centre Gold 43,960.00
Cap Type Quantity Booster Type Qu ntity Weight(Ibs.)
Initiation Systems 80'UNITRONIC DETONATOR 64 3/4 LB PENTEX e4 48.00
30'UNITRONIC DETONATOR 64 112 LB PENTEX 64 32.00
Product Quantity(cases,rolls,sticks,etc.) Weight(Ibs.,if applicable)
Packaged Product
Total Explosive Weight: 44,040.00 lbs.
BLAST DESIGN
Hole Size Holes Burden Spacing Aug' Hoe Subdrill Deck Len Row inches n Bench Height e)
(inches) Row (feet) (feet) (feet) g Depth (feet) applicable)
gth Tons
1 6 7 14 14 55 58 3 6,616
2 6 7 14 14 55 58 3 6,616
3 6 7 14 14 56 59 3 6,736
4 6 7 14 14 57 60 3 6,856
5 6 7 14 14 58 61 3 6,977
6 1 6 1 7 14 1 14 1 59 1 62 1 3 7,097
7 6 7 14 14 !60
0 63 3 7.217
8 6 7 14 14 0 63 3 7,217
9 6 8 14 14 63 3 8,248
Total#of holes: 64 Powder Factor: 1.44 tons/lb Total: 63,580 tons
-BLASTER INF RMATI N A DCOMMENTS
Workplace Inspection: YES Blaster protection during blast: OUTSIDE BLAST AREA(REMOTE) V
#of persons on loading crew: 6 Blast mats used: NO V
Comments:
Blaster in charge: LANE BROWN Quarry SuperintendanUDesignee: Justin Fesperman
Blaster License#: 0260 SC
Blaster Signature: SuperintendanUDesignee Signature:

VUI[gn Detailed Hole Loading Chart Report Number 25
Materials Company Quarry: Cabarrus Date 6/27/24
Explosive weight: 44,040.00 lbs. Gallons of oil (if applicable): gal.
(including boosters) Oil weight: lbs.
Total explosive weight w/oil: lbs.
Hole/Deck Depth Stemming Rise/Air Delay Total pounds per Max pounds per delay 728.32
# (ft.) (ft.) (ft.) (ms) hole/deck
1 63 13 5 _ 786 697.33 Typical Hole Diagram
2_ _ 63 14 5 669 661.83
3 63 14 5 552 681.83
4 62 13 5 435 681.83 W Stemming
5 61 13 5 343 666.33 Type: 67
6 60 13 5 251 650.84
7 59 12 5 159 650.84 _ _ Amount(minimum)
8 58 _ 12 5 67 6_35.3_4
9 58 13 5 0 619.85 T PLUS 50% OF BROKEN UP
_ 10 58 12 5 25 635.34
_ 11 _ 58 12 5 _ 50 635.34 _
12_ 58 12 5 175 635.34
13 _ _ 58 12 5 100 _ 635.34
14 58 12 5 125 635.34
15 58 12 5 150 635.34
16 58 1 10 5 92 666.33 _
17 58 10 5 117 666.33
18 58 10 5 142 666.33
19 58 10 5 167 666.33
20 58 10 5 192 666.33 Length of Hole (feet)
21 58 11 5 217 650.84
22 59 10 5 184 681.83 58'-63'
23 59 10 5 209 681.83
24 59 10 5 234 681.83 30' Unitronic
25 59 10 5 259 681.83 1/2# Pentex
26 59 10 5 _284 681.83
27 59 11 5 309 666.33
28 60 10 5 276 697.33
29 60 10 5 301 697.33
30 60 10 5 326 697.33
31 60 10 5 351 697.33
32 60 10 5 376 697.33
33 60 11 5 401 681.83
34 61 11 5 368 697.33
35 61 11 5 393 697.33
36 61 11 5 418 697.33
37 61 11 5 443 Of33
38 61 11 5 468 _ 697.33_
39 61 11 5 493 697.33 80' Unitronic
40 62 12 5 _460_ _ _ 697._33 3/4# Pentex
41 62 11 5 485 712.82
42 62 11 5 510 712.82 Floor Elevation (feet)
43 62 11 5 535 712.82
44 62 11 5 660 712.82 55'-60'
45 62 11 5 585 712.82 _
46 63 12 5 577 712.82 Sub-drill (feet)
47 63 11 5 602 728.32
48 63 12 5 627 712.82 3
49 63 12 5 652 712.82 _
50 63 12 5 677 712.82

VuIean Detailed Hole Loading Chart Report Number 25
MalarOls Company Quarry: Cabarrus Date 6/27
/2024
Hole/Deck Depth Stemming Rise/Air Delay Total pounds per
# ft. ft. ft. ms hole/deck
51 63 11 5 702 728.32
52 63 _ 12 -- 5 __694 _ __ 712.82
_ _
53 63 11 6 _ 719 728.32
54 63 14 5 744 __ 681.83
55 63 12- 5 766 712.82
_
56 _63 '-----11- -- 5 -794 728.32 ---_
57 63_-_ -_-11 5 - 819_ 728.32
_811__ 712.82 _
59 63 _ 12_ _ 5 __836__ 112.82 _
__
61 - _ 63 13 5 886 697.33_
62 _ - 63 --- 12 - --5 -911 --- ----712.82 -
63 63 11 5 936_ 728.32
64 _ _63 _11 i 5 961 726.32
- --- - ---- ---0.00 -
- 0.00
0.00
_ 0.00 --
0.00
0.00
0.00
0.00
-_ 0.00
0.00
0.00
0.00 _
0.00
-_-_ 0.00
0.00
0.00
_ 0.00 _
0.00
0.00
0.00
0.00
0.00___
0.00 _
0.60
0.00
-------0.00 -- -
- - ------ ----0.00 ---
0.00
0.00
0.00
0.00
0.00
0.00 _
- -_- 0.00
- - ------ - -- ---_ 0.00 -
--- ------- --- _ 0.00 -
------- ---- 0.00 -

Shot Grid .c91�i.�!l�tJ(n1
PREDICTED SCALE DISTANCE: SHOT GRID COORDINATES:
DID DIRECTION TO NEAREST DWELLING: S�
l7p.
6 Q
Q f CJ
09
AIN
CS cr
�J^=�i�yr�.�_\!.� ��' V/QI tlx:/ I �`iiR� ��If _ �®✓ `II.j(�l ` � -
MIA lz
g/
C I � ' owe
T _

OeepEarth
L O G I C
Vulcan Materials: Cabarrus Number:002
Loc: CessnandSMP Date: 0
24
Seismograph
Time:e: 11:16
Seismograph GPS: 35d24m57.10sN,80d42m28.40sW White Mini-Seis SN:3759
Deep Earth Logic: John Babcock (540-974-1029) Seis.Trigger:0.0250 in/sec
Air Trigger: 126.4
Sample Rate: 1024
Duration:6.0 Seconds
Pre-Trigger:0.50 Seconds
Gain:2.Ox
Voltage:6.8
Peaks and Frequencies Graph Information
PPV Maximum: 0.305 in/sec(0.4766 sec) Duration: -0.500 s To: 6.000 s
Acoustic: 120 dBL @ 2.6 Hz(1.0771 sec) Acoustic Scale: 126 dBL
Radial: 0.305 in/sec @ 26.9Hz(0.4766 sec) Seismic Scale: 0.40 in/sec(0.100 in/sec/div)
Vertical: 0.290 in/sec @ 23.2Hz (0.4502 sec) Time Intervals: 1.00 sec
Transverse: 0.190 in/sec @ 17.6Hz(0.8760 sec)
Acceleration: 0.152 g
Displacement: 0.00246 in
Last Calibration Date: 5/24/2024
Cal 0.96 OK
A
jjy
Cal 0.500 OK
R
Cal 0.500 OK
V
Cal 0.500 OK
T
-0.50 0.50 1.50 2.50 3.50 4.50 5.50
Particle Velocity Versus Frequency- OSM Limits (CFR 30, 1987)
10 Radial 10 10 Transverse
1.0 1.0- 1.0
x �
xx
x
x �� �
xx A ,�c x
x Ax x X AX X ' ), x
0.10 �cX xxx 0.10 x XXX X 0.10 x
X xx xx x x xc X
X xx x X XXx x xX* x xxxxx xx
x X x x X X x X )X X X xXxX
X= X X X X X X X X X
X X X X X X X X
XX X X( XX X X X
X X X X X X Xx
XX" X X =X( X XXX X XX X X
0.011 10 100 0.011 10 100 0.011 10 100
Frequency(Hz)
Whito M itnRaraiva

Blasting Report Report Number 26
UUI[nn Quarry: Cabarrus Date 7/3/24
Materials Company Type of shot: Production Material: Granite Time of blast 10:01 AM
Material Specific Gravity: 2.81 Material Density(tons/yd3): 2.37
Weather Temperature 80 °F Wind from N at 0 mph
Conditions Partly Cloudy and Calm
Blast Location LAT/LONG(degrees) N 35.413160 W 80.702220 Bench Level 539
Nearest occupied dwelling Location LAT/LONG Location N 35.417744 W 80.702389
neither owned or leased Souck . Distance from shot: 1673 feet Direction NW
Seismograph Service Provider: SALILS LAT/LONG Location N 35.417164 W 80.701750
Model: NOMIS Operator: Michael Broadbent Distance from shot: 1467 feet Direction NE
Seismograph Location: Back Gate PPV 0.070 ips Air Overpressure 114 dB
#Holes per Elms delay: 1 Max Ibs per delay: 487.18 lbs. Scaled Distance to nearest dwelling: 75.8
EXPLOSIVES
Supplier Product Weight(Ibs.)
Bulk Explosives ONOS centre cold 20,486.00
Ca T e QuantityBoosterT a Quantit Weight(Ibs.)
Initiation Systems 30'UNITRONIC DETONATOR 43 t/2 LB Pl N 43 22.00
50-UNITRONIC DETONATOR 43 3/4 LB PENTEX 43 32.00
Product Quantity(cases, rolls,sticks,etc.) Weight(Ibs.,if applicable)
Packaged Product
Total Explosive Weight: 20,540.00 lbs.
Avg.BLAST DESIGN
Row Hole Size Hanes Burden Spacing BenchvHeight Hole Subdrill Deck Length Tons
(inches) Row (feet) (feet) (feet) Depth (feet) (f applicable)
1 6 8 14 14 41 44 3 5,636
2 6 7 14 14 41 44 3 4,932
3 6 7 14 14 41 44 3 4,932
4 6 7 14 14 41 44 3 4,932
5 6 7 14 14 41 44 3 4,932
6 6 7 14 14 41 44 1 3 4,932
Total#of holes: 43 Powder Factor: 1,47 tons/lb Total: 30,295 tons
_ BLASTER INFORMATION AND COMMENTS
Workplace Inspection:1 YES V Blaster protection during blast. OUTSIDE BLAST AREA(REMOTE) V
#of persons on loading crew: 5 Blast mats used: No
Comments:
Blaster in charge: LANE BROWN Quarry Superintendant/Designee: Justin Fesperman
Blaster License#: 0260 SC
Blaster Signature: Superintendant/Designee Signature: �� _

Vulcan Detailed Hole Loading Chart Report Number 26
MawisisCompany Quarry: Cabarrus Date 7/3/24
Explosive weight: 20,540,00 lbs. Gallons of oil (if applicable): gal.
(including boosters) Oil weight: lbs.
Total explosive weight w/oil: lbs.
Hole/Deck Depth Stemming Rise/Air Delay Total pounds per Max pounds per delay 487.18
# (ft.) (ft.) (ft.) (ms) hole/deck
1 44 11 3 477 471.46 Typical Hole Diagram
_ 2_ 44 11 3 385 471.46
3 44 11 3 293 471.46
4 44 11 3 176 471.46 Stemming
5 44 11 3 109 471.46 Type: 67
6 44 11 3 42 471.46 .+►
7 44 17 3 0 377.17 { Amount(minimum)
8 44 13 3 25 440.03
9 44 11 3 50 471.46 T PLUS 50% OF BROKEN UP
10 44 14 F3j
75 440.03
11 44 11 100 471.46
12 44 12 125 455.75
_ 13 44 10 67 487.18
14 44 10 92 487.18
15 44 10 3 117 487.18
16 44 10 3 142 487.18
17 44 10 3 167 487.18
18 44 10 3 134 487.18
19 44 10 3 159 487.18
20 44 10 3 184 487.18 Length of Hole (feet)
21 44 10 3 209 487.18
22 44 11 3 234 471.46 44
23 44 10 3 226 487.18
24 44 10 3 251 487.18 OMS
25 44 10 3 276 487.18
26 44 10 3 301 487.18
27 44 10 3 326 487.18
28 44 10 3 318 487.18
29 44 10 3 343 487.18
30 44 10 3 368 487.18 _
31 44 10 3 393 487.18
32 44 10 3 418 487.18
33 44 10 3 410 487.18
34 44 10 3 _ 435 487.18
35 44 10 3 460 _ 487.18 _
36 44 10 3 485 487.18
37 44 10 3 510 487.18
38 44 10 3 502 487.18
39 44 10 3 527 487.18 OMS
_40 44 10 3 552 487.18
41 44 10 _ 3 577 487.18
42 44 10 3 602 487.18 Floor Elevation (feet)
43 44 12 3 201 455.75
0.00 41
0.00
0.00 Sub-drill (feet)
0.00
0.00 3
0.00
0.00

Shot Grid
PREDICTED SCALE DISTANCE: SHOT GRID COORDINATES: _ 4
DISTANCE TO NEAREST DWELLING: �J ECTI N TO NEAREST DWELLING:
:Z6 fq 404L 00 �-?e vi
17(
UN
f
S �I10 4,15� yG� S rj
1177
Zs -2LA
4eZ2.U
L . 53cN

Sauls Seismic, LLC Nomis Seismographs.
v4.1.1.6
Company: VULCAN CABARRUS QUARRY
Unit#: 13.575 _ _ _ 7/3/2024 at 10:0_1:19 Event # 112
sA17163,-80.af017 _ Operator.-Michael Broadbent
Location: BACK GATE 35.417163,-80.701753 P
Record Duration: 3.0 sec
Notes: Sample Rate. 1024,vec
Distance:n/a Wgt.Per Delay:n/a Scaled Distance. n/a l Last Calibration: 04.1on24
Seismic Air
Gain: 2 Trigger: 0.0300 ids Gain: 1 Air Trigger: 125 dB
Channel Radial Transverse Vertical Measurement Value Trigger>>>Peak
Velocity(in/s) 0.0575 0.0700 0.U575 psi 0.0014870 1221.7
Frequency(Hz) 12.1 26.9 21.3 dBL 114.2
Displacement(in) 0.0008 0.0004 0.0004 Hz 4.6
Acceleration(g's) 0.011 0.031 0.020
Trigger>>>Peak 341.8 353.5 525.4
Waveform Analysis / Frequency Plot
USBM Limits(RI 8507, 1980)OSMRE(CFR 30, 1987)
Seismic Scale:0.08 ixlsldiv Air Scale:0.00232 psi/div Vtlncity(in�sl
1
i 1
V - -
0.1
. . O V T TF TT
Y/ �LVR V* TTfi T T
V N V IR vT T{i t T T
A V VRV R .
T V ? RTVT O¢yR Yg R
_ I 0.0 R R VR Rr T R?T W T
Os is 2s 3s
1 10 100
Frequencv(Hz)