The 2011 Radioactive Plume

When I looked for the original article I found that it has disappeared from the Net, so I am reproducing this for the historical record

Radioactive Plutonium And Strontium From Fukushima Bombarding US West Coast Since March 18th (EPA RADnet Reports)

Infinite Unknown,

24 April, 2011

EPA RADnet Reports Show Plutonium in US since March 18th

We found a more complete RADnet dataset for various radioactive isotopes we had previously not encountered.

[...]

Recently while searching the EPA RADnet database for radiation reports, we found a link to the main database.  It included the RADNet monitoring data  for many isotopes not released in the public reports.

Notice that:

• RADnet began monitoring for Plutonium from Day 1
• Plutonium was found from Alaska. to San Francisco California. and down into Guam from 03/18/2011
• Strontium was detected in the United States on 03/18/2011
• Isotopes found not released in public reports Plutonium, Strontium and Cesium
• What do the negative values mean in the results column?

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Plutonium Results

Update 12:01 EST April, 22nd 2011

Here are the results for Plutonium.

All results were detected by actinides extraction chromatography as part of either the RadNet Radiation Network Alert or the Fukushima deployables.

To fit the data on the web page I have moved some redundant columns .

I removed the half-life column which the EPA results report as 24131 years for Plutonium-239 and for 87.75 years for Plutonium-238.

I have also removed the unit column as all amounts reported are pCi/m3 or picocuries per cubic meter.

CITY	STATE	COLLECT END	RESULT DATE	ANALYTE NAME	AMOUNT
GUAM	GU	3/19/2011	3/31/2011	Plutonium-239	0.000012
SAIPAN	CNMI	3/21/2011	3/31/2011	Plutonium-239	0.000009
SAN FRANCISCO	CA	3/18/2011	3/24/2011	Plutonium-239	0.0000065
NOME	AK	3/20/2011	3/31/2011	Plutonium-238	0.0000035
SEATTLE	WA	3/18/2011	3/24/2011	Plutonium-238	0.0000025
RIVERSIDE	CA	3/15/2011	3/24/2011	Plutonium-238	0.0000013
RIVERSIDE	CA	3/15/2011	3/24/2011	Plutonium-239	0.0000013
SAIPAN	CNMI	3/21/2011	3/31/2011	Plutonium-238	0
SAIPAN	CNMI	3/24/2011	3/31/2011	Plutonium-239	0
NOME	AK	3/20/2011	3/31/2011	Plutonium-239	0
SEATTLE	WA	3/18/2011	3/24/2011	Plutonium-239	-0.0000013
ANAHEIM	CA	3/15/2011	3/24/2011	Plutonium-239	-0.0000015
DUTCH HARBOR	AK	3/19/2011	3/31/2011	Plutonium-239	-0.0000023
ANAHEIM	CA	3/15/2011	3/24/2011	Plutonium-238	-0.000003
SAN FRANCISCO	CA	3/18/2011	3/24/2011	Plutonium-238	-0.0000037
KAUAI	HI	3/21/2011	3/31/2011	Plutonium-239	-0.0000043
DUTCH HARBOR	AK	3/19/2011	3/31/2011	Plutonium-238	-0.0000069
SAIPAN	CNMI	3/24/2011	3/31/2011	Plutonium-238	-0.000008
GUAM	GU	3/19/2011	3/31/2011	Plutonium-238	-0.000008

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Strontium Results

Update 1:07 EST April, 22nd 2011

Strontium-89 and 90 were detected in Environmental Matrices.

Again the half-life column has been removed to fit the data on this page. The EPA reports the half-life for the Strontium-89 is 50.55 years and the half-life for the Strontium-90 at 28.6 years.

All Strotium detections were from the RadNet Radiation Alert Network.

Agian all units reported are pCi/m3 or picocuries per cubic meter.

CITY	STATE	COLLECT END	RESULT DATE	ANALYTE NAME	AMOUNT
ANAHEIM	CA	3/18/2011	3/18/2011	Strontium-89	0.0008
ANAHEIM	CA	3/18/2011	3/18/2011	Strontium-89	0.0008
ANAHEIM	CA	3/18/2011	3/18/2011	Strontium-89	0.0008
ANAHEIM	CA	3/18/2011	3/18/2011	Strontium-89	0.0008
RIVERSIDE	CA	3/18/2011	3/18/2011	Strontium-90	0.00011
RIVERSIDE	CA	3/18/2011	3/18/2011	Strontium-90	0.00011
RIVERSIDE	CA	3/18/2011	3/18/2011	Strontium-90	0.00011
RIVERSIDE	CA	3/18/2011	3/18/2011	Strontium-90	0.00011
RIVERSIDE	CA	3/18/2011	3/18/2011	Strontium-89	-0.00013
RIVERSIDE	CA	3/18/2011	3/18/2011	Strontium-89	-0.00013
RIVERSIDE	CA	3/18/2011	3/18/2011	Strontium-89	-0.00013
RIVERSIDE	CA	3/18/2011	3/18/2011	Strontium-89	-0.00013
ANAHEIM	CA	3/18/2011	3/18/2011	Strontium-90	-0.00036
ANAHEIM	CA	3/18/2011	3/18/2011	Strontium-90	-0.00036
ANAHEIM	CA	3/18/2011	3/18/2011	Strontium-90	-0.00036
ANAHEIM	CA	3/18/2011	3/18/2011	Strontium-90	-0.00036

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Cesium Results

Update 1:29 EST April, 22nd 2011

I will be posting the cesium results in 3 seperate tables – Air, Milk and Rain so the data can be fit here.

All Cesium samples were detected using Gamma Spectrometry.

Cesium Air Result

All units for cesium air samples are pCi/m3.

CITY	STATE	COLLECT END	RESULT DATE	ANALYTE NAME	AMOUNT
NOME	AK	3/24/2011	3/24/2011	Cesium-134	0.144	PCI/M3
NOME	AK	3/24/2011	3/24/2011	Cesium-137	0.1261	PCI/M3
KAHUKU	HI	3/21/2011	3/21/2011	Cesium-137	0.116	PCI/M3
NOME	AK	3/24/2011	3/24/2011	Cesium-137	0.115	PCI/M3
KAHUKU	HI	3/21/2011	3/21/2011	Cesium-134	0.0929	PCI/M3
KAHUKU	HI	3/21/2011	3/21/2011	Cesium-137	0.0915	PCI/M3
DUTCH HARBOR	AK	3/22/2011	3/22/2011	Cesium-137	0.0876	PCI/M3
KAUAI	HI	3/21/2011	3/21/2011	Cesium-137	0.086	PCI/M3
KAUAI	HI	3/21/2011	3/21/2011	Cesium-134	0.0788	PCI/M3
KAUAI	HI	3/21/2011	3/21/2011	Cesium-137	0.0752	PCI/M3
DUTCH HARBOR	AK	3/22/2011	3/22/2011	Cesium-134	0.072	PCI/M3
SAIPAN	CNMI	3/21/2011	3/21/2011	Cesium-134	0.068	PCI/M3
DUTCH HARBOR	AK	3/19/2011	3/19/2011	Cesium-137	0.0625	PCI/M3
BOISE	ID	3/23/2011	3/23/2011	Cesium-137	0.0618	PCI/M3
LAS VEGAS	NV	3/24/2011	3/24/2011	Cesium-137	0.058	PCI/M3
DUTCH HARBOR	AK	3/22/2011	3/22/2011	Cesium-137	0.053	PCI/M3
DUTCH HARBOR	AK	3/19/2011	3/19/2011	Cesium-137	0.053	PCI/M3
LAS VEGAS	NV	3/21/2011	3/21/2011	Cesium-134	0.0516	PCI/M3
LAS VEGAS	NV	3/21/2011	3/21/2011	Cesium-137	0.0477	PCI/M3

Cesium Milk Results

All amounts are pCi/L.

CITY	STATE	COLLECT END	RESULT DATE	ANALYTE NAME	AMOUNT
HILO	HI	4/4/2011	4/4/2011	Cesium-134	24.3
HILO	HI	4/4/2011	4/4/2011	Cesium-137	19.1
MONTPELIER	VT	3/30/2011	3/30/2011	Cesium-137	1.91
RENO	NV	4/4/2011	4/4/2011	Cesium-137
BUFFALO	NY	4/1/2011	4/1/2011	Cesium-137
DOVER	DE	4/1/2011	4/1/2011	Cesium-137
ATHENS	TN	3/31/2011	3/31/2011	Cesium-137
CINCINNATI	OH	3/31/2011	3/31/2011	Cesium-137
CLEVELAND	OH	3/31/2011	3/31/2011	Cesium-137
KNOXVILLE	TN	3/31/2011	3/31/2011	Cesium-137
PITTSBURGH	PA	3/31/2011	3/31/2011	Cesium-137
RENO	NV	3/31/2011	3/31/2011	Cesium-137
TRENTON	NJ	3/31/2011	3/31/2011	Cesium-137
BALTIMORE	MD	3/30/2011	3/30/2011	Cesium-137
CHARLESTON	WV	3/30/2011	3/30/2011	Cesium-137
DALLAS	TX	3/30/2011	3/30/2011	Cesium-137
JEFFERSON CITY	MO	3/30/2011	3/30/2011	Cesium-137
LITTLE ROCK	AR	3/30/2011	3/30/2011	Cesium-137
LOUISVILLE	KY	3/30/2011	3/30/2011	Cesium-137

Cesium Rain

All amounts are pCi/L.

CITY	STATE	COLLECT END	RESULT DATE	ANALYTE NAME	AMOUNT
BOISE	ID	3/27/2011	3/27/2011	Cesium-134	42
BOISE	ID	3/27/2011	3/27/2011	Cesium-137	36.4
BOISE	ID	3/27/2011	3/27/2011	Cesium-137	35.6
BOISE	ID	3/27/2011	3/27/2011	Cesium-134	34.3
BOISE	ID	3/22/2011	3/22/2011	Cesium-137	11.6
BOISE	ID	3/22/2011	3/22/2011	Cesium-134	11.2
OAK RIDGE/Y12 E	TN	4/4/2011	4/4/2011	Cesium-137	2.1
JACKSONVILLE	FL	3/31/2011	3/31/2011	Cesium-134	1.45
SALT LAKE CITY	UT	3/28/2011	3/28/2011	Cesium-134	1.45
OAK RIDGE/Y12 E	TN	3/31/2011	3/31/2011	Cesium-137	1.44
OAK RIDGE/MELTON	TN	3/28/2011	3/28/2011	Cesium-137	1.42
OAK RIDGE/MELTON	TN	3/28/2011	3/28/2011	Cesium-134	1.33
OAK RIDGE/Y12 E	TN	3/31/2011	3/31/2011	Cesium-134	1.28
OAK RIDGE/K25	TN	3/31/2011	3/31/2011	Cesium-137	1.21
LANSING	MI	4/4/2011	4/4/2011	Cesium-137	1.15
JACKSONVILLE	FL	3/31/2011	3/31/2011	Cesium-137	1.09
SALT LAKE CITY	UT	3/28/2011	3/28/2011	Cesium-137	1.09
OAK RIDGE/MELTON	TN	3/31/2011	3/31/2011	Cesium-137	0.87
LITTLE ROCK	AR	3/28/2011	3/28/2011	Cesium-137	0.6

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I have put a Google Docs Spreadsheet of the Plutonium, Strontium, And Cesium Seperated By Air, Rain, And Milk online which is basically the tables above.

Lucas has also put a Google spreadsheet of his EPA radnet search showing where Plutonium, Strontium, and Cesium have been detected online with all of the original columns from the EPA data.

I will update this post with a more user-friendly view of the EPA result data.

In the mean time, you can get to the EPA data yourself, though it is rather confusing.

1. Start here: Final step of the advanced custom EPA Radnet data search here.
2. Then simply enter 3/11/2011 as the start date and today’s date as the end date.
3. Scroll down click the radionuclides to include in the results, for example plutonium.
4. Finally click search database to view the results or download to CSV to save the results on your PC.

Again h/t to Lucas for making the original discovery that the EPA had hidden this data from the public results they have been compiling.

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Source: Alexander Higgins

Radiation in Northwest US Rainwater from Fukushima