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LAMPIRAN 41

LAMPIRAN 1. PERHITUNGAN Contoh cara perhitungan aktivitas dalam sampel udara PM 2,5 pada radionuklida alam K-40 Lokasi 1 sebagai berikut, 1. K-40 pada energi 1460,28 KeV pada Blanko a. Perhitungan Laju Cacahan 1) Untuk cacah BLK-1 ๐‘=

2829

= 0,032743056 cps

86400

2) Untuk cacah BLK-2 3068

๐‘ = 86400 = 0,035509259 cps 3) Untuk cacah BLK-3 2975

๐‘ = 86400 = 0,03443287 cps b. Rata-rata Laju Cacahan ๐‘๐‘ = =

๐‘1 + ๐‘2 + ๐‘3 3 0,032743056+0,035509259+0,03443287 3

= 0,034228395 cps 2. K-40 pada energi 1460,28 KeV pada lokasi 1 a. L1-1 1) Perhitungan Laju Cacahan 3116

๐‘๐‘ก = 86400 = 0,036064815 cps 2) Perhitungan Laju Cacahan Bersih ๐‘ ๐‘๐‘’๐‘Ÿ๐‘ ๐‘–โ„Ž = ๐‘๐‘ก โˆ’ ๐‘๐‘ = (0,036064815 โˆ’ 0,034228395 ) cps = 0,00183642 cps 3) Perhitungan Aktivitas Radionuklida Probabilitas (P๐œธ) = 0,107 Berat akhir (W) = 0,97396 gram ฮต = 1,0987 . ๐‘ฅ โˆ’0,621 = 1,0987 . 1460,28โˆ’0,621 = 0,011906

41

๐‘ ๐‘๐‘’๐‘Ÿ๐‘ ๐‘–โ„Ž

๐ด1 = ฮต x Py x W 0,00183642 cps

= 0,011906 x 0,107 x 0,97396 = 1,4880066329 Bq/๐‘”๐‘Ÿ๐‘Ž๐‘š 4) Perhitungan Konsentrasi Aktivitas Radionuklida Volume udara

= 705,8 m3

Massa debu

= 0,02838 gram

๐‘ค ๐‘‘๐‘’๐‘๐‘ข

๐ถ = volume udara ๐ด๐‘“๐‘– = ๐ด1 . C ๐ด๐‘“๐‘– = ๐ด1

๐‘ค ๐‘‘๐‘’๐‘๐‘ข ๐‘ฃ๐‘œ๐‘™๐‘ข๐‘š๐‘’ ๐‘ข๐‘‘๐‘Ž๐‘Ÿ๐‘Ž

๐ด๐‘“๐‘– = 1,4880066329 Bq/๐‘”๐‘Ÿ๐‘Ž๐‘š,

0,02838 ๐‘”๐‘Ÿ๐‘Ž๐‘š 705,8 ๐‘š3

= 5,9513 e-05 Bq/m3 = 59,51 ยตBq/m3

b. L1-2 1) Perhitungan Laju Cacahan 3095

๐‘๐‘ก = 86400 = 0,035821759 cps 2) Perhitungan Laju Cacahan Bersih ๐‘ ๐‘๐‘’๐‘Ÿ๐‘ ๐‘–โ„Ž = ๐‘๐‘ก โˆ’ ๐‘๐‘ = (0,035821759 โˆ’ 0,034228395 ) cps = 0,001593364 cps 3) Perhitungan Aktivitas Radionuklida Efisiensi (ฮต) = 0,011906 Probabilitas (Py) = 0,107 Berat akhir (W) = 0,97396 gram ๐ด2 =

๐‘ ๐‘๐‘’๐‘Ÿ๐‘ ๐‘–โ„Ž ฮต x Py x W

=

0,001593364 cps 0,011906x 0,107 x 0,97396

42

= 1,284175197 Bq/๐‘”๐‘Ÿ๐‘Ž๐‘š 4) Perhitungan Konsentrasi Aktivitas Radionuklida Volume udara = 705,8 m3 Massa debu = 0,02838 gram ๐‘ค ๐‘‘๐‘’๐‘๐‘ข

๐ถ = volume udara ๐ด๐‘“๐‘– = ๐ด2 . C ๐ด๐‘“๐‘– = ๐ด2

๐‘ค ๐‘‘๐‘’๐‘๐‘ข ๐‘ฃ๐‘œ๐‘™๐‘ข๐‘š๐‘’ ๐‘ข๐‘‘๐‘Ž๐‘Ÿ๐‘Ž

๐ด๐‘“๐‘– = 1,284175197 Bq/๐‘”๐‘Ÿ๐‘Ž๐‘š

0,02838 ๐‘”๐‘Ÿ๐‘Ž๐‘š 705,8 ๐‘š3

= 5,1636 e-06Bq/m3 = 5,1636 ยตBq/m3

c. L1-3 1) Perhitungan Laju Cacahan ๐‘๐‘ก =

3135 86400

= 0,036284722 cps

2) Perhitungan Laju Cacahan Bersih ๐‘ ๐‘๐‘’๐‘Ÿ๐‘ ๐‘–โ„Ž = ๐‘๐‘ก โˆ’ ๐‘๐‘ = (0,036284722 โˆ’ 0,034228395 ) cps = 0,002056327 cps 3) Perhitungan Aktivitas Radionuklida Efisiensi (ฮต) = 0,011906 Probabilitas (Py) = 0,107 Berat akhir (W) = 0,97396 gram ๐‘ ๐‘๐‘’๐‘Ÿ๐‘ ๐‘–โ„Ž

๐ด3 = ฮต x Py x W =

0,002056327 cps 0,011906 x 0,12 x 0,97396

= 1,657301162 Bq/๐‘”๐‘Ÿ๐‘Ž๐‘š

4) Perhitungan Konsentrasi Aktivitas Radionuklida Volume udara

= 705,8 m3

43

Massa debu

= 0,02838 gram

๐‘ค ๐‘‘๐‘’๐‘๐‘ข

๐ถ = volume udara ๐ด๐‘“๐‘– = ๐ด3 . C ๐ด๐‘“๐‘– = ๐ด3

๐‘ค ๐‘‘๐‘’๐‘๐‘ข ๐‘ฃ๐‘œ๐‘™๐‘ข๐‘š๐‘’ ๐‘ข๐‘‘๐‘Ž๐‘Ÿ๐‘Ž

๐ด๐‘“๐‘– = 1,657301162 Bq/๐‘”๐‘Ÿ๐‘Ž๐‘š

0,02838 ๐‘”๐‘Ÿ๐‘Ž๐‘š 705,8 ๐‘š3

= 6,6640 e-05Bq/m3 = 66,64 ยตBq/m3

d. Perhitungan Rata-Rata Aktivitas Radionuklida ๐ด๐‘“๐‘–1 + ๐ด๐‘“2 + ๐ด๐‘“๐‘–3 3 (59,51 + 5,1636 + 66,64 )๐œ‡Bq ๐‘š3 = 3

ฤ€๐‘“๐‘– =

= 59,263 ๐œ‡Bq/๐‘š3

44

LAMPIRAN 2. TABEL PENENTUAN AKTIVITAS RADIONUKLIDA

1. Perhitungan CPS Radionuklida pada Blanko Filter Udara PM 2.5 Energi BLK-1 BLK-2 BLK-3 t cacah Radionuklida CPS-1 CPS-2 (KeV) (net area) (net area) (net area) (sekon) Pb-210 46.52 70 78 81 86400 0.00081019 0.00090278 Th-234 63.26 28 33 33 86400 0.00032407 0.00038194 U-235 143.76 48 44 64 86400 0.00055556 0.00050926 Ra-226 185.99 397 413 85 86400 0.00459491 0.00478009 Pb-212 238.63 768 487 638 86400 0.00888889 0.00563657 Pb-214 295.22 180 220 176 86400 0.00208333 0.00254630 Ac-228 338.40 65 93 30 86400 0.00075231 0.00107639 Pb-214 352.00 651 666 694 86400 0.00753472 0.00770833 TI-208 583.14 219 179 192 86400 0.00253472 0.00207176 Bi-214 609.20 814 717 711 86400 0.00942130 0.00829861 Bi-212 727.17 27 28 20 86400 0.00031250 0.00032407 Ac-228 911.07 287 148 256 86400 0.00332176 0.00171296 Ac-228 968.90 44 250 112 86400 0.00050926 0.00289352 Bi-214 1120.28 277 131 353 86400 0.00320602 0.00151620 K-40 1460.28 2829 3068 2975 86400 0.03274306 0.03550926 Bi-24 1764.51 450 162 345 86400 0.00520833 0.00187500

CPS-3

Rata

0.00093750 0.00038194 0.00074074 0.00098380 0.00738426 0.00203704 0.00034722 0.00803241 0.00222222 0.00822917 0.00023148 0.00296296 0.00129630 0.00408565 0.03443287 0.00399306

0.000 0.000 0.000 0.003 0.007 0.002 0.000 0.007 0.002 0.008 0.000 0.002 0.001 0.002 0.034 0.003

Tabel. Perhitungan CPS Radionuklida pada Blanko Filter Udara Keterangan : BLK: Blanko t cacah: waktu cacah

42

2. Penentuan Aktivitas Radionuklida pada Sampel Udara PM 2.5 LOKASI 1 a. Data Hasil Perhitungan CPS Radionuklida Pb-210 Th-234 U-235 Ra-226 Pb-212 Pb-214 Ac-228 Pb-214 TI-208 Bi-214 Bi-212 Ac-228 Ac-228 Bi-214 K-40 Bi-24

Energi (KeV) 46.52 63.26 143.76 185.99 238.63 295.22 338.40 352.00 583.14 609.20 727.17 911.07 968.90 1120.28 1460.28 1764.51

Lokasi 1- 1 (net area) 163 90 101 490 878 404 134 723 265 840 32 307 182 325 3116 455

Lokasi 1-2 (net area) 154 140 115 457 820 450 120 717 256 864 32 291 189 329 3095 480

Lokasi 1-3 (net area) 146 157 110 510 865 472 143 726 265 875 33 304 186 332 3135 484

t cacah (sekon) 86400 86400 86400 86400 86400 86400 86400 86400 86400 86400 86400 86400 86400 86400 86400 86400

CPS 1-1

0.001886 0.001041 0.001169 0.005671 0.010162 0.004675 0.001550 0.008368 0.003067 0.009722 0.000370 0.003553 0.002106 0.003761 0.036064 0.005266

Tabel. Perhitungan CPS Radionuklida pada Sampel Udara PM 2.5 L

b. Data Hasil Perhitungan CPS Bersih Radionuklida Pb-210 Th-234 U-235 Ra-226 Pb-212 Pb-214 Ac-228

Energi (KeV) 46.52 63.26 143.76 185.99 238.63 295.22 338.40

CPS bersih 1-1

CPS bersih 1-2

CPS bersih 1-3

Ef

0.00100309 0.00067901 0.00056713 0.00221836 0.00285880 0.00245370 0.00082562

0.00089892 0.00125772 0.00072917 0.00183642 0.00218750 0.00298611 0.00066358

0.00080633 0.00145448 0.00067130 0.00244985 0.00270833 0.00324074 0.00092978

0 0 0 0

43

0 0

Pb-214 TI-208 Bi-214 Bi-212 Ac-228 Ac-228 Bi-214 K-40 Bi-24

352.00 583.14 609.20 727.17 911.07 968.90 1120.28 1460.28 1764.51

0.00060957 0.00079090 0.00107253 0.00008102 0.00088735 0.00054012 0.00082562 0.00183642 0.00157407

0.00054012 0.00068673 0.00135031 0.00008102 0.00070216 0.00062114 0.00087191 0.00159336 0.00186343

0.00064429 0.00079090 0.00147762 0.00009259 0.00085262 0.00058642 0.00090664 0.00205633 0.00190972

0

0 0

0 0 0

Tabel. Perhitungan CPS Bersih Radionuklida pada Sampel Udara PM 2.5

c. Data Hasil Perhitungan Aktivitas Radionuklida Radionuklida Pb-210 Th-234 U-235 Ra-226 Pb-212 Pb-214 Ac-228 Pb-214 TI-208 Bi-214 Bi-212 Ac-228 Ac-228 Bi-214 K-40 Bi-24

Energi Massa akhir (KeV) (gram) 46.52 0.97396 63.26 0.97396 143.76 0.97396 185.99 0.97396 238.63 0.97396 295.22 0.97396 338.40 0.97396 352.00 0.97396 583.14 0.97396 609.20 0.97396 727.17 0.97396 911.07 0.97396 968.90 0.97396 1120.28 0.97396 1460.28 0.97396 1764.51 0.97396

Aktivitas 1-1 0.45061 2.58250 0.11040 1.62216 0.18615 0.40837 0.23911 0.04759 0.04485 0.11661 0.03840 0.19686 0.20678 0.40156 1.48007 0.95898

Aktivitas 1-2 0.40381 4.78349 0.14194 1.34286 0.14244 0.49698 0.19218 0.04217 0.03894 0.14681 0.03840 0.15577 0.23780 0.42407 1.28418 1.13526

Aktivitas 1-3 0.36222 5.53183 0.13068 1.79143 0.17635 0.53936 0.26928 0.05030 0.04485 0.16065 0.04389 0.18915 0.22451 0.44096 1.65730 1.16347

Volum Udara ( 705.8 705.8 705.8 705.8 705.8 705.8 705.8 705.8 705.8 705.8 705.8 705.8 705.8 705.8 705.8 705.8

Tabel. Perhitungan Aktivitas Radionuklida pada Sampel Udara PM 2

44

d. Data Hasil Perhitungan Aktivitas Radionuklida dan Presisinya Radionuklida

Energi (KeV)

Pb-210 Th-234 U-235 Ra-226 Pb-212 Pb-214 Ac-228 Pb-214 TI-208 Bi-214 Bi-212 Ac-228 Ac-228 Bi-214 K-40 Bi-24

46.52 63.26 143.76 185.99 238.63 295.22 338.40 352.00 583.14 609.20 727.17 911.07 968.90 1120.28 1460.28 1764.51

Aktivitas 1-1 (Bq/m3) 1.8119 e-05 1.0384 e-04 4.4391 e-06 6.5226 e-05 7.4850 e-06 1.6420 e-05 9.6144 e-06 1.9135 e-06 1.8033 e-06 4.6887 e-06 1.5442 e-06 7.9155 e-06 8.3147 e-06 1.6146 e-05 5.9513 e-05 3.8560 e-05

Aktivitas 1-2 (Bq/m3) 1.6237 e-05 1.9234 e-04 5.7074 e-06 5.3996 e-05 5.7274 e-06 1.9983 e-05 7.7275 e-06 1.6955 e-06 1.5658 e-06 5.9030 e-06 1.5442 e-06 6.2636 e-06 9.5619 e-06 1.7052 e-06 5.1636 e-06 4.5649 e-06

Aktivitas Aktivitas 1-3 1-3 3 (Bq/m ) (ฮผBq/ m3) 1.4565 e-05 1.812 e+01 2.2243 e-04 1.038 e+02 5.2544 e-06 4.439 e+00 7.2033 e-05 6.523 e+01 7.0911 e-06 7.485 e+00 2.1687 e-05 1.642 e+01 1.0827 e-05 9.614 e+00 2.0225 e-06 1.913 e+00 1.8033 e-06 1.803 e+00 6.4596 e-06 4.689 e+00 1.7647 e-06 1.544 e+00 7.6058 e-06 7.916 e+00 9.0274 e-06 8.315 e+00 1.7731 e-05 1.615 e+01 6.6640 e-05 5.951 e+01 4.6783 e-05 3.856 e+01

Aktivitas 1-3 (ฮผBq/ m3) 1.624 e+01 1.923 e+02 5.707 e+00 5.400 e+01 5.727 e+00 1.998 e+01 7.727 e+00 1.695 e+00 1.566 e+00 5.903 e+00 1.544 e+00 6.264 e+00 9.562 e+00 1.705 e+01 5.164 e+01 4.565 e+01

A

(ฮผ 1 2 5 7 7 2 1 2 1 6 1 7 9 1 6 4

Tabel. Perhitungan Aktivitas Radionuklida dan Presisi pada Sampel Ud

3. Penentuan Aktivitas Radionuklida pada Sampel Udara PM 2.5 LOKASI 2 a. Data Hasil Perhitungan CPS Radionuklida Pb-210 Th-234

Energi (KeV) 46.52 63.26

Lokasi 2-1 (net area) 106 144

Lokasi 2-2 (net area) 112 145

Lokasi 2-3 (net area) 117 182

t cacah (sekon) 86400 86400

45

CPS 2-1 0.001227 0.001667

U-235 Ra-226 Pb-212 Pb-214 Ac-228 Pb-214 TI-208 Bi-214 Bi-212 Ac-228 Ac-228 Bi-214 K-40 Bi-24

143.76 185.99 238.63 295.22 338.40 352.00 583.14 609.20 727.17 911.07 968.90 1120.28 1460.28 1764.51

111 491 497 227 139 749 257 704 38 185 251 267 3092 427

124 454 576 243 127 777 243 748 35 186 243 230 3114 457

113 450 588 239 129 717 245 755 36 209 211 246 3098 445

86400 86400 86400 86400 86400 86400 86400 86400 86400 86400 86400 86400 86400 86400

0.001285 0.005683 0.005752 0.002627 0.001609 0.008669 0.002975 0.008148 0.000440 0.002141 0.002905 0.003090 0.035787 0.004942

Tabel. Perhitungan CPS Radionuklida pada Sampel Udara PM 2.5 Lokasi

b. Data Hasil Perhitungan CPS Bersih Radionuklida Pb-210 Th-234 U-235 Ra-226 Pb-212 Pb-214 Ac-228 Pb-214 TI-208 Bi-214 Bi-212 Ac-228 Ac-228 Bi-214 K-40

Energi (KeV) 46.52 63.26 143.76 185.99 238.63 295.22 338.40 352.00 583.14 609.20 727.17 911.07 968.90 1120.28 1460.28

CPS bersih 2-1 0.00034 0.00130 0.00068 0.00223 0.00012 0.00041 0.00088 0.00091 0.00070 -0.00050 0.00015 0.00043 0.00134 0.00015 0.00156

CPS bersih 2-2 0.00041 0.00132 0.00083 0.00180 0.00103 0.00059 0.00074 0.00123 0.00054 0.00036 0.00012 0.00044 0.00125 0.00115 0.00181

46

CPS bersih 2-3 0.00047 0.00174 0.00071 0.00176 0.00117 0.00054 0.00077 0.00054 0.00056 0.00044 0.00013 0.00071 0.00088 0.00133 0.00163

Bi-24

1764.51

0.00125

0.00160

0.00146

Tabel. Perhitungan CPS Bersih Radionuklida pada Sampel Udara PM 2

c. Data Hasil Perhitungan Aktivitas Radionuklida Energi Massa akhir Aktivitas Radionuklida (KeV) (gram) 2-1 Pb-210 46.52 0.97385 0.1543 Th-234 63.26 0.97385 4.9601 U-235 143.76 0.97385 0.1329 Ra-226 185.99 0.97385 1.6308 Pb-212 238.63 0.97385 0.0075 Pb-214 295.22 0.97385 0.0674 Ac-228 338.40 0.97385 0.2559 Pb-214 352.00 0.97385 0.0711 TI-208 583.14 0.97385 0.0396 Bi-214 609.20 0.97385 -0.0545 Bi-212 727.17 0.97385 0.0713 Ac-228 911.07 0.97385 0.0950 Ac-228 968.90 0.97385 0.5126 Bi-214 1120.28 0.97385 0.0751 K-40 1460.28 0.97385 1.2563 Bi-24 1764.51 0.97385 0.7616

Aktivitas 2-2 0.1855 5.0042 0.1622 1.3176 0.0671 0.0983 0.2157 0.0964 0.0304 0.0390 0.0549 0.0976 0.4771 0.5574 1.4616 0.9732

Aktivitas 2-3 0.2115 6.6331 0.1375 1.2838 0.0761 0.0905 0.2224 0.0422 0.0317 0.0478 0.0604 0.1566 0.3353 0.6474 1.3123 0.8886

Volum Udara ( 699.1 699.1 699.1 699.1 699.1 699.1 699.1 699.1 699.1 699.1 699.1 699.1 699.1 699.1 699.1 699.1

Tabel. Perhitungan Aktivitas Radionuklida pada Sampel Udara PM 2.5 L

d. Data Hasil Perhitungan Aktivitas Radionuklida dan Presisinya

47

Radionuklida

Energi (KeV)

Pb-210 Th-234 U-235 Ra-226 Pb-212 Pb-214 Ac-228 Pb-214 TI-208 Bi-214 Bi-212 Ac-228 Ac-228 Bi-214 K-40 Bi-24

46.52 63.26 143.76 185.99 238.63 295.22 338.40 352.00 583.14 609.20 727.17 911.07 968.90 1120.28 1460.28 1764.51

Aktivitas Aktivitas 2-1 2-2 3 (Bq/m ) (Bq/m3) 5.556 e-06 6.680 e-06 1.787 e-04 1.802 e-04 4.788 e-06 5.843 e-06 5.874 e-05 4.746 e-05 2.715 e-07 2.416 e-06 2.429 e-06 3.539 e-06 9.217 e-06 7.768 e-06 2.560 e-06 3.472 e-06 1.426 e-06 1.095 e-06 -1.964 e-06 1.405 e-06 2.569 e-06 1.976 e-06 3.422 e-06 3.515 e-06 1.846 e-05 1.719 e-05 2.704 e-06 2.007 e-05 4.525 e-05 5.264 e-05 2.743 e-05 3.505 e-05

Aktivitas Aktivitas Aktivitas 2-3 2-1 2-2 3 3 (Bq/m ) (ฮผBq/m ) (ฮผBq/m3) 7.616 e-06 5.5562 6.6799 -04 2.389 e 178.6528 180.2385 -06 4.951 e 4.7883 5.8434 -05 4.624 e 58.7379 47.4578 -06 2.742 e 0.2715 2.4161 -06 3.261 e 2.4286 3.5388 -06 8.009 e 9.2168 7.7679 -06 1.519 e 2.5604 3.4718 -06 1.143 e 1.4264 1.0954 -06 1.722 e -1.9642 1.4052 -06 2.174 e 2.5690 1.9762 -06 5.642 e 3.4222 3.5147 -05 1.208 e 18.4622 17.1853 -05 2.332 e 2.7037 20.0750 -05 4.727 e 45.2503 52.6426 -05 3.200 e 27.4321 35.0522

Aktivita 2-3 (ฮผBq/m3 7.616 238.908 4.950 46.238 2.741 3.261 8.009 1.518 1.142 1.722 2.173 5.642 12.077 23.319 47.266 32.004

Tabel. Perhitungan Aktivitas Radionuklida dan Presisi pada Sampel Udara

4. Penentuan Aktivitas Radionuklida pada Sampel Udara PM 2.5 LOKASI 3 a. Data Hasil Perhitungan CPS Energi Lokasi 3-1 Radiouklida (KeV) (net area) Pb-210 46.52 83 Th-234 63.26 167 U-235 143.76 61 Ra-226 185.99 489 Pb-212 238.63 565 Pb-214 295.22 278 Ac-228 338.40 130 Pb-214 352.00 789 TI-208 583.14 330

Lokasi 3-2 (net area) 110 126 83 122 573 324 99 805 196

Lokasi 3-3 (net area) 34 188 63 406 804 483 74 698 282

t cacah (sekon) 86400 86400 86400 86400 86400 86400 86400 86400 86400 48

CPS 3-1 0.000961 0.001933 0.000706 0.005660 0.006539 0.003218 0.001505 0.009132 0.003819

Bi-214 Bi-212 Ac-228 Ac-228 Bi-214 K-40 Bi-24

609.20 727.17 911.07 968.90 1120.28 1460.28 1764.51

979 71 358 114 465 3052 465

906 30 354 225 406 3131 472

869 34 301 209 392 3019 441

86400 86400 86400 86400 86400 86400 86400

0.011331 0.000822 0.004144 0.001319 0.005382 0.035324 0.005382

Tabel. Perhitungan CPS Radionuklida pada Sampel Udara PM 2.5 Lokasi

b. Data Hasil Perhitungan CPS Bersih Energi Radionuklida CPS bersih 3-1 (KeV) Pb-210 46.52 0.0000772 Th-234 63.26 0.0015702 U-235 143.76 0.0001042 Ra-226 185.99 0.0022068 Pb-212 238.63 -0.0007639 Pb-214 295.22 0.0009954 Ac-228 338.40 0.0007793 Pb-214 352.00 0.0013735 TI-208 583.14 0.0015432 Bi-214 609.20 0.0026813 Bi-212 727.17 0.0005324 Ac-228 911.07 0.0014776 Ac-228 968.90 -0.0002469 Bi-214 1120.28 0.0024460 K-40 1460.28 0.0010957 Bi-24 1764.51 0.0016898

CPS bersih 3-2

CPS bersih 3-3

0.0003897 0.0010957 0.0003588 -0.0020409 -0.0006713 0.0015278 0.0004205 0.0015586 -0.0000077 0.0018364 0.0000579 0.0014313 0.0010378 0.0017631 0.0020100 0.0017708

-0.0004900 0.0018133 0.0001273 0.0012461 0.0020023 0.0033681 0.0001312 0.0003202 0.0009877 0.0014082 0.0001042 0.0008179 0.0008526 0.0016011 0.0007137 0.0014120

Tabel. Perhitungan CPS Bersih Radionuklida pada Sampel Udara PM 2.5

49

c. Data Hasil Perhitungan Aktivitas Radionuklida Energi Massa akhir Aktivitas Aktivitas Radionuklida (KeV) (gram) 3-1 3-2 Pb-210 46.52 0.99335 0.03399 0.17163 Th-234 63.26 0.99335 5.85546 4.08587 U-235 143.76 0.99335 0.01988 0.06848 Ra-226 185.99 0.99335 1.58219 -1.46325 Pb-212 238.63 0.99335 -0.04877 -0.04286 Pb-214 295.22 0.99335 0.16243 0.24931 Ac-228 338.40 0.99335 0.22129 0.11941 Pb-214 352.00 0.99335 0.10513 0.11930 TI-208 583.14 0.99335 0.08580 -0.00043 Bi-214 609.20 0.99335 0.28582 0.19576 Bi-212 727.17 0.99335 0.24743 0.02689 Ac-228 911.07 0.99335 0.32141 0.31134 Ac-228 968.90 0.99335 -0.09268 0.38956 Bi-214 1120.28 0.99335 1.16644 0.84079 K-40 1460.28 0.99335 0.86583 1.58837 Bi-24 1764.51 0.99335 1.00940 1.05779

Aktivitas 3-3 -0.21581 6.76183 0.02430 0.89344 0.12784 0.54961 0.03725 0.02451 0.05491 0.15011 0.04841 0.17791 0.32005 0.76352 0.56401 0.84347

Volu Udara 701 701 701 701 701 701 701 701 701 701 701 701 701 701 701 701

Tabel. Perhitungan Aktivitas Radionuklida pada Sampel Udara PM 2

d. Data Hasil Perhitungan Aktivitas Radionuklida dan presisinya Aktivitas Aktivitas Aktivitas Aktivitas Aktivitas Ak Radio- Energi 3-1 3-1 3-1 3-1 3-1 nuklida (KeV) (Bq/m3) (Bq/m3) (Bq/m3) (ฮผBq/m3) (ฮผBq/m3) (ฮผB Pb-210 46.52 1.9596 e-06 9.8960 e-06 -1.2443 e-05 1.9596 9.8960 -1 -04 -04 -04 Th-234 63.26 3.3763 e 2.3559 e 3.8989 e 337.6256 235.5913 38 -06 -06 -06 U-235 143.76 1.1464 e 3.9486 e 1.4011 e 1.1464 3.9486 -05 -05 -05 Ra-226 185.99 9.1229 e -8.4371 e 5.1516 e 91.2293 -84.3712 5 -06 -06 -06 Pb-212 238.63 -2.8120 e -2.4712 e 7.3710 e -2.8120 -2.4712

50

Pb-214 Ac-228 Pb-214 TI-208 Bi-214 Bi-212 Ac-228 Ac-228 Bi-214 K-40 Bi-24

295.22 9.3655 e-06 338.40 1.2760 e-05 352.00 6.0617 e-06 583.14 4.9473 e-06 609.20 1.6481 e-05 727.17 1.4267 e-05 911.07 1.8532 e-05 968.90 -5.3442 e-06 1120.28 6.7257 e-05 1460.28 4.9924 e-05 1764.51 5.8202 e-05

1.4375 e-05 6.8852 e-06 6.8790 e-06 -2.4736 e-08 1.1287 e-05 1.5508 e-06 1.7952 e-05 2.2462 e-05 4.8480 e-05 9.1585 e-05 6.0992 e-05

3.1690 e-05 2.1477 e-06 1.4133 e-06 3.1662 e-06 8.6553 e-06 2.7914 e-06 1.0258 e-05 1.8454 e-05 4.4024 e-05 3.2521 e-05 4.8634 e-05

9.3655 12.7598 6.0617 4.9473 16.4806 14.2670 18.5324 -5.3442 67.2566 49.9236 58.2018

14.3750 6.8852 6.8790 -0.0247 11.2874 1.5508 17.9518 22.4623 48.4799 91.5852 60.9923

3

1 1 4 3 4

Tabel. Perhitungan Aktivitas Radionuklida dan Presisi pada Sampel Udara

51

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