Activity Concentration of Water Samples taken from various sites:
|
DATE COLLECTED |
SAMPLE TYPE/SITE |
ACTIVITY CONCENTRATION, mBq/L c |
||
|
Iodine-131 |
Cesium-134 |
Cesium-137 |
||
|
April 2 |
Seawater/Sta. Ana, Cagayan |
Not detected |
Not detected |
1.66 b |
|
April 5 |
Freshwater/La Mesa Dam |
Not detected |
Not detected |
Not detected |
|
April 13 |
Seawater/Baler, Aurora |
Not detected |
Not detected |
2.70 b |
Activity Concentration of Fish Samples taken from Luzon:
|
DATE COLLECTED d |
FISH TYPE/SITE |
ACTIVITY CONCENTRATION, Bq/kg |
||
|
Iodine-131 |
Cesium-134 |
Cesium-137 |
||
|
April 4 |
Dorado/Sta. Ana Fishport, Cagayan |
Not detected |
Not detected |
0.164 b |
|
April 4 |
Tulingan/Sta. Ana Fishport, Cagayan |
Not detected |
Not detected |
Not detected |
|
April 4 |
Bariles/Sta. Ana Fishport, Cagayan |
Not detected |
Not detected |
Not detected |
|
April 14 |
Malasugui/ Baler, Aurora |
Not detected |
Not detected |
0.57 b |
|
April 14 |
Dalagang Bukid/ Baler, Aurora |
Not detected |
Not detected |
0.76 b |
|
April 14 |
Tambakol/Baler, Aurora |
Not detected |
Not detected |
1.09 b |
|
April 14 |
Tangigue/Baler, Aurora |
Not detected |
Not detected |
Not detected |
Ambient Gamma Radiation Dose Rate Measurements taken at PNRI and various provinces in Luzon since March 2011:
|
Location |
No. of Measurements |
Dose Rate (nSv/h) |
REMARKS |
|
|
Range |
Mean |
|||
|
PNRI |
41 |
93 – 106 |
101 ± 3 |
Normal |
|
Batanes |
15 |
65 – 85 |
76 |
Normal |
|
Aurora |
14 |
48 – 66 |
57 ± 6 |
Normal |
|
Nueva Ecija |
6 |
52 – 71 |
66 ± 7 |
Normal |
|
Camarines Norte |
11 |
59 – 95 |
84 ±10 |
Normal |
a microbecquerels per cubic meter; 1 microbecquerel = 1 x 10-6 becquerel
b The above Cesium-137 levels in the soil, water, and fish samples are within background levels. The Cesium-137 is residual activity from atmospheric nuclear weapons testing in the 1950’s and 1960’s, not from the Fukushima accident.
c millibecquerels per liter; 1 millibecquerel = 1 x 10-3 becquerel; some copies of Information Bulletin No.22 may have erroneously stated this as Bq/kg instead of mBq/L
d Dates corrected
- Latest DOST-PNRI RADIATION LEVEL CHECK at PNRI grounds as of 9:00 AM, 12 May 2011:
91 – 107 nSv/h, STATUS: NORMAL - The radiological and safety impact on the Philippines REMAINS INSIGNIFICANT as it had been since the beginning of the Fukushima Daiichi nuclear accident.
- For the latest information, please access the following websites:
- International Atomic Energy Agency (IAEA) (http://www.iaea.org/newscenter/news/tsunamiupdate01.html)
- Nuclear and Industrial Safety Administration (NISA) of Japan (www.nisa.meti.go.jp/english/index.html)
- World Health Organization (http://www.who.int/hac/crises/jpn/en/index.html)
- Tokyo Electric Power Company (TEPCO) (http://www.tepco.co.jp/en/press/corp-com/release/11041707-e.html)
- For further advisories, please call the PNRI trunklines with Tel Nos. 929-6010 to 19 or visit the following:
- DOST (www.dost.gov.ph)
- PNRI (www.pnri.dost.gov.ph)
- STII (www.stii.dost.gov.ph)
