So, how do we correlate CPM numbers with ‘badness’? Others are not. requirements sought after by the larger banking customers; Appears frameless, greatly improving the appearance of the lobby; It is easy to move or reconfigure, as the clients needs change 1,200 CPM on the meter (for Cs137) is about 1 mR/hr (milliRad per hour).120 CPM on the meter (for Cs137) is about 1 uSv/hr (microSievert per hour). Any experts would teach me whether the reading of 0.12 uSv/h is safe? Activity is basically just how much radiation is coming out of something, whether it's particles or waves. We’ve also tested local produce. Steve, The faster … But the readings on my kitchen table are 12,000 CPM steady. Therefore, annual dosage from the radioactive ore equals 200 mR (100 mR/hr x 2 hours per year). Higher freq gets there faster. What is the normal background and what do I do with my wifes dish without being thrown out of the house? Original measuring unit for expressing the absorption of all types of ionizing radiation (alpha, beta, gamma, neutrons, ... what radiation exposure level is considered safe. CPM readings are not necessarily consistent from one device to another. Interesting fact:All food sources combined, expose a person to around 40 millirems per year on average.Many foods are naturally radioactive, and bananas are particularly so, due to the radioactive potassium-40 they contain. All prices are in USD. I thought that these looked like huge numbers, but then I divided down into literal CPM and got 17.7 CPM for Portland, ME for the year between July 24, 2019 thru July 24, 2020. Bugs are gone. You didn’t post what measurement scale CPM, mR/h or uSv/h. Could you give a reference for the increase in cancer rates related to radiation? We are all contaminated! I took my geiger counter on the plane from Cairns to Brisbane and then Brisbane to Auckland and each time the Geiger counter levels rose from 12 cpm at ground level up to 2,500cpm at 30,000 feet. Even being near your cat for the few weeks it took most of the energy to decay, you probably still picked up less dose that I did working inside containment at a nuclear facility. use this info (if you are not hiring) to assess your own measurements, concerns, etc. mica is opaque to radiation. Understand that that dose rate includes both the radiation from the particular source of your focus that is emitting radioactivity, along with ever present background radiation. 752 Level 1 to U.L. However for general purposes I consider them the one and the same. Question. I am wondering if rene ever got a the answer to her question. I was considering to start collecting antique vaseline (uranium) glass. Sorry. etc…. its worth pointing out that CPM can be misleading UNLESS you know how the device is calibrated. The Cs137 calibration factor listed above (120 CPM) was converted to obtain the proper factored results listed below (0.83x). This level seems high after reading all the previous blogs. a week or two ago, an employee of the non profit whale sanctuary organization in kihei, maui Crazy thing about it is that we have had it for about 25 years. We work around this stuff every day. A Geiger counter is an instrument used for detecting and measuring ionizing radiation.Also known as a Geiger–Muller counter (or Geiger–Müller counter), it is widely used in applications such as radiation dosimetry, radiological protection, experimental physics, and the nuclear industry.. 2.) That seems super low according to this web site’s large numbers. b) I seem to recall, that the expert we hired, stated that specific in home levels will / can vary, depending on air flow. Electrical License: 595978, 853118. You can have one geiger that is super-sensitive and may detect 1000cpm, and a geiger in the same area that is less sensitive will only detect 100cpm. These units factor the differences between types of radiation. Stop using the toilet? I have been thinking about what you said, Reactors are spewing MORE THAN 200 isotopes! Conclusion: The Geiger Counter readings that one may experience can be compared to the equivalent ‘what-IF’ scenarios listed above for potential health impact. The PTB are psychopaths for doing this to us. This type of detector is common, but there are other similar products. We have been dehydrating food samples and testing them for radiation. I live 10 (ten) miles from the Pacific in central California. in units of Roentgen, Radiation Safety Counseling Institute 7 R, R, mRmR, , RR(normal is 10 (normal is 10 R/ hr) No audio Slow, erratic, not very sensitive Only use when you know the source Standard and Pressurized NaI and Plastic Scintillator Response NaI Radiation Safety Counseling Institute 8 Plastic The workers that were working on the equipment used compressed air to blow off the equipment. I think it’s important for folks to understand…. The display on the Geiger counter reads 55 and is still rising. Pattie ,,larry,,,anon,,,have any of you ever been to fuku ?have you ever worked with nuke s ? I can find no net data regarding human body output. Assume the dose rate from a granite countertop in a kitchen is .05 mR/hr. So my friend bought a geiger counter. The following information may help you understand Geiger Counter Readings, the units of measurement for Geiger Counters (nuclear radiation detectors). Microsieverts, one millionth of a sievert and abbreviated as uSv (1,000,000uSv = 1Sv)Do… Although most vaseline glass sites maintain that it is perfectly safe (unless ground and ingested), I have my doubts. I am interested in testing the food in my area and would like to know how to determine what an unsafe level is in terms of CPM (Counts Per Minute). I worked very short periods in areas twice that would have been in the 72,000,000 DPM range for just Gamma, plus there was neutron on top of that…that was considered dangerous! The objective: Why don’t we have radiation monitors in our homes. Contact Us 86 (at 500 CPM) Therefore, annual dosage from high altitude flights equals 312 mR (.3 mR/hr x 1,040 hours per year). Thanks. Not only from Fukushima, but also from the many, many and I mean many radiation dumps we and other countries have done. Major problem for aircrew and frequent flyers. It was not a CPM measurement, MR/hr I think. 3.) That is well below normal background levels. If you ever fly older 747’s, watch out for the DU weight’n’balance in the tail, OK? There were MOX rods there.. but also full rods of Plutonium… BREEDER RODS !!! This is more than 300 times above normal and 17 times higher than the pocket of radiation we ran away from the day before. Some other common examples of items that contain low levels of radiation are smoke detectors, antique pottery, radon gas from the ground and rocks. 104 were burned in #4 reactor.. 40 additional ones burned in #4 pool while SITTING IN WATER… due to no borination and low water level events. How can I find the gamma ray particle. Then multiply the dose rate, expressed in mR/hr, by the number of hours of your exposure over the course of a year. 28 (at 1,500 CPM) I am now sitting here writing this note and see it spiked up to 65. Steve, should we be worried out here in the hawaiian islands? The orangey-red color, also known as “radioactive red,” is the most sought after for collectors and also the one with the most radioactive properties. They say “it would be unusual for those levels to exceed 100 CPM”. Hi. RSS feed ps – the monitor is “Inspector Alert – Nuclear Radiation Monitor”. The units of ‘rem’ and ‘sievert’ relate to biological damage done to human tissue. I thought that these looked like huge numbers, but then I divided down into literal CPM and got 17.7 CPM for Portland, ME for the year between July 24, 2019 thru July 24, 2020. Assume 20 hours of flight time per week, or 1,040 hours per year. Most Geiger counters are calibrated to Cs137 (Cesium), a radioactive isotope. 3.) I’m interested in further understanding the level of MOX plutonium headed here and how to logically respond to it. I hope that we are not so egotistical we think that we are not next. The ‘range’ numbers are to be interpreted differently. 7/24 78,648,600 83,059,359 Raleigh, NC. So as we stand right now we are not sure what these results mean. Much of contemporary literature on the subject refers to the REM (Roentgen Equivalent Man). If you could go anywhere on the East Coast for safety where would you go and where do you reside now? Typo, I was thinking it was the Jan. 4th when it was Jan. 3rd. I drove home from the vet for 2 hour trip with my kitty in her carrier on the seat next to me, and tried the Geiger counter around her at home. It immediately started crackling like fireworks, and alarm beeps went off and it climbed into the hundreds, and very fast up to 2,490 CPM at which point I backed away in a panic. The tube on a quality Geiger counter will typically be several times larger than the tube on a cheaper Geiger counter (for example). In short, no. What type of inhalation exposure did they receive? – I am now stepping off my soap box. The µSv (microSievert) is an internationally accepted unit for tissue dosage. Do you understand this website? Thats why its important to know your NORMAL background levels in your area, for your geiger. How to calculate your annual radioactive dosage or exposure: First measure your dose rate using a Geiger counter that reads out in mR/hr. the KEY thing is to look at the trend and know your meter, if your geiger measures 100cpm on monday morning and then the same geiger measures 500cpm in the same location in the afternoon then you have a problem. Digital Geiger counters can usually detect 1 to 200 milliroentgens per hour (mR/hr), although more expensive devices can reach up to 1,000 mR/hr. Why is this so much higher than the alert level you discuss which is 100 CPM? So, we have radiation level readings, but is there any way to get readings on WHAT is coming over here? The following explanation focuses on SI units. TABLE TO CONVERT GEIGER COUNTER READINGS TO CPM TO ANNUAL OR LIFETIME EXPOSURE LEVELS ‐ Shaikh Jalal Ahmad Units Meter reading (take average of at least 3 minutes of counts) Conversions: cpm 10 20 30 60 100 150 200 300 cpm to mR/hr divide cpm by 1500 to get mR/hr cps 0.17 0.33 0.5 1 1.67 2.5 3.3 5 Anyone experience this? Is it radon or something far worse? Attn Tom: Hey, I’m former C-130 flight-crew, and I can say this is within normal range, especially at higher altitudes. Days compared with the average annual human exposure (U.S.)207 (at 100 CPM)42 (at 500 CPM)14 (at 1,500 CPM)2 (at 10,000 CPM), Days to receive chronic dose for increase cancer risk of 1 in a 1,000432 (at 100 CPM)86 (at 500 CPM)28 (at 1,500 CPM)4 (at 10,000 CPM), Days for earliest onset of radiation sickness25,937 (at 100 CPM)5,187 (at 500 CPM)1,729 (at 1,500 CPM)259 (at 10,000 CPM). 3.) … The equivalent dose for 365 bananas (one per day for a year) is 3.6 millirems (36 μSv). Background correlates to expected in South West UK here of around 0.05 to 0.09 uSv/hr. Ingesting emitters is a lot different than getting them on your skin. Should I be concerned for my future health? We are willing to relocate to create a safe place to grow food and live sustainable. if you use a DIFFERENT, more sensitive geiger in the afternoon and get 1000cpm that isn’t comparable as you are not comparing like for like. I marveled at it for a moment and then ran in, swam around without knowing it was harmful. So what do we do? That seems super low according to this web site’s large numbers. Most background I have here in Medford Oregon is about 35 – 40 cpm. 56 of them in the #3 pool went up! We’ll see if and how much the levels rise next week to reflect what has happened there during this week. when we bought our last house, it had some lovely stonework on fireplace. I was really shocked at these huge numbers thinking that my aching was because of these high numbers. Fish from Japan, Hawaii, Washington state, Santa Barbara, Alaska, the Atlantic and North Carolina. My only check source is a smoke detector Americium 241 pellet. The Gamma Gross Count Rate shows how many gamma rays the monitor detects each HOUR. The USA uses a different system which can lead to confusion. Is this normal or are there radiation clouds in the upper atmosphere from Fukushima? This allows the polluters a smoke screen to hide behind and geiger counter businesses to pop up everywhere. With this said, I am also wondering about the health of our sea (pacific ocean) and the impact of the radiation. I am new to Geiger Counters. There’s been many high readings on Jan. 4, 2014, over 350 CPM, 500 CPM, even a couple over 900 CPM! The highest I ever got was 30 or 33 CPM. The readings came back 539, 575, 668 and 1077 (cpm). The one hour total timer sitting next to my desk reads 9. T… Ecotest MKS 05. 7/24 25,724,470, SUPPORT MSB at no extra cost to you: It is also about distance – distance is your friend. I say that there is not much we can do except voice our opinion that is somewhat like a grain of sand. and how dangerous is this…. Aromas, CA. @Gelaine, Although apparently currently very low readings, we might expect to see Iodine-131, Cesium-137, and possibly Plutonium-239, based on the fuel that had been used in Fukushima. So comparatively it will always pick up a larger CPM value. they fully melted down. For example, one chest X-ray will result in about 0.2 milliSievert (mSv) of radiation dose. This unit is quite sensitive and can be used to measure low levels of Gamma radiation and detect Beta radiation. Donate for my efforts, Copyright © 2010-2020 ModernSurvivalBlog.com, Get notified when new comments are posted, (will not be published or viewable by others). 1,729 (at 1,500 CPM) 87,824,984 Portland, ME. What I’d like to know is just how hot 80,000 CPM is?? In standard operation, the unit makes a quiet beep as a Geiger counter, with a small unlit LCD showing microSv/hour. @Jack, you need to look at this one: “Beta Gross Count Rate (CPM): 17”, which is near the top of the list for each station. NNormal background levels are very low; 3x very low levels are still very low levels. Exposure measures the effect of radiation on substances that absor… 2.) Models include Ecotester, SOEKS 112, 01M, Ecovisor F4, Quantum. I really appreciate the efforts by Modern Survival Blog to carefully risks. How can we change it? However, you should verify the following government data - research the NIH (National Institute of Health). As an Amazon Associate I earn from qualifying purchases. TGR CPM Annualized City, State Date Read 2019 TGR CPM When placing against my Thyroid area it reads about 200 – 300 CPM and around 1uSv/hr. there are herbs you can use…must do full research ..and use with knowledge.. among the things to use are cordycepts…and chorella.. You must know exact procedures…There are several things that can be used.. Cosmic radiation is higher at 30,000′ than at sea level because the atmosphere is thinner and there is less atmosphere above to shield the radiation coming from space. We are looking at places on the East coast such as Vermont, Upstate NY, Maine and New Hampshire. I understand that the scale and cpm readings you have laid out here are for air born, but do they also work for food. Yeah I think Fukushima is about 10,000 times worse, And that’s if it’s just uranium if the Mox fuel – plutonium gets involved and it’s about 2 million times worse I’ve heard. It’s about exposure over time. Is this a normal reading? Thank-you for this article. Units for Ambient Radiation Levels. Rad and Gray are ‘absorbed dose’ units. On March 18, Japan’s science ministry measured radiation at 18 locations in areas 30 to … this is a brief outline. How does the radiation fallout or the worst-case scenario at the Fukushima nuclear plant compare with the fallout that resulted from US nuclear-bomb tests in the Marshall Islands? I (at this point) don’t know what “high” levels are, but if the wife’s pottery is high, chuck it. had a nuclear stress test with contrast … tested my bodys radiation with Geiger counter first day over 65000 cpm that was the most my Geiger counter would read … took some zeolite count was normal in 2 days … is 65000+ cpm,s normal for a nuclear stress test ? Where on the East Coast is safest? I understand that the scale and cpm readings you have laid out here are for air born, but do they also work for food. Adding man-made sources (medical procedures, and others) the average annual U.S. radiation dose is about 600 milliRem, which is equivalent to 6 milliSieverts (6 mSv). At 4:30 PM on 3/20/14 the RADNETWORK website had no readings over 55 on their U.S. Continental map. 1. Any advice most appreciated. new solar system on existing commercial roof-top. I’m an airline pilot and would love to hear your take on this: I would say pilots and airline stewardesses will be developing radiation sickness in 5 to 15 years, cancer risk is already way up. Previous news Next news I bought the GQ GMC-300E Plus, a nice little Geiger counter, to test the levels around my cat who would be having I-131 treatment for her hyperthyroid condition. later) the Gypsy and crew were exposed to 1000 to 2200 mrem/mr per day while in lagoon. The hypothesis is that a Geiger counter can be built and the accuracy of the measurement was comparable to a commercially availabl… for example, the expert suggested we drive by the home several times day of when he was coming to test, to check and make sure the sellers were not leaving all windows open, maybe even with fans, to increase air flow and “reduce” any levels. Only Internalized alpha particles are ‘bad’.. i have an idea which might work/ it involves concrete sea walls containing mica. Assume the dose rate from a high grade, 1" radioactive sample of Uraninite equals 100 mR/hr. Also, the body mistakes radioactive iodine for the stable form and essentially sucks it up in the thyroid. Feel blessed to have lived this long (lot’s didn’t) brother died at 51 from stomach cancer, but would like to have someone explain in dummy’s language what 1000 to 2200 mrems mean to a human body. What are your reactions to the reported increase in birth mortalities & alarming findings in food, water & milk…at this late date & after my above possibly flawed reasoning. My family and I want to know where the safest place to live would be. Remember the digital geiger counters ar137 radioactive e calibrated using a Cs-source. What did you mean by this? Were not allowed back in Pearl Harbor until most personal gear and absorbent gear were removed from ship. CPM = 33,050 The source of the radiation is the radium 226 in the lume that was outlawed in 1960’s in the manufacture of wristwatches. 1 rad = 0.01 gray (Gy) 1 gray (Gy) = 100 rad. First, we must understand a few radiation facts and numbers regarding dosage. Do you know of any such device? Do we know if its Iodine or Cesium or Plutonium? By plodding through the math, we can determine a relationship of Geiger counter numbers versus the risks to your health. Free shipping from USA. All of the others, range 2 through 10, mean other things having to do with the isotopes themselves. The experts have told me that “things are fine, just fine.”, Why don’t I believe them? These are more universal units of measurement that can help you better understand your radiation exposure. You were seeing half lives of whatever they used on your cat. If left on continuously, the batteries should last about a week before needing replacement. in the ocean water and that for the last week there radiation reading has tripled from the normal reading they get. Stay Safe! 5,187 (at 500 CPM) Well, these readings do not seem to be coming down with a drought, so it can’t all be rainfall radon anymore (which is typically over 1200 CPM). 65,368,921 Worcester, MA. For example, the CPM readings that you might see on the Radiation Network Map or elsewhere. Tiger Electric Inc in Brea, CA | Photos | Reviews | 335 building permits for $571,300. If you have your Geiger counter calibrated to Cs137, which most are, 1 milliRad per hour would equate to 1,200 CPM on your counter. I would guess all that is contaminated as well ! Given that 365 days a year x 24 hours per day equals 8,760 hours per year of exposure. Next to the door into the storage facilty – 25 feet from my desk – it reads 33.05 X1000. So my friend bought a geiger counter. The vet assured me their Geiger counter is calibrated at some hospital and her level was safe to go home. This is the main reason for these units – to factor the differences in damage that is caused from one type of radiation to the next. Pressure senso r input (S1), Low Level sensor input … Almost all States have had sustained CPM’s of just the CS-137 of 50 or above. 1 rad = 0.01 gray (Gy)1 gray (Gy) = 100 rad, 1 rem = 0.01 sievert (Sv)1 sievert (Sv) = 100 rem. I have an arduino based Geiger kit running an SBT11A GM tube. The unit of absorbed radiation dose is the sievert (Sv). My Geiger has a max reading of 9.99µSv/hour, which is what the vintage watch shows close-up. We’ve also tested local produce. For instance, 2 different geiger counters, with 2 different ( sizes, brands, configurations) of GM tubes in the SAME radiation field will give 2 different CPM. Didn’t know what to do. Thanks. Our tests are showing 30 to 50% above back round. This is called a “red tide” Harmful algal blooms, or HABs. A Geiger-Mueller counter is one good example. FWIW there is NO “safe” dosage of non natural radiation. with most sites across the U.S. at elevated readings averaging between 150 – 200 CPM. Also, I recall there is considerable on line. period.. Therefore in a given area it’s best to know the normal background radiation level from your specific device. To report the ambient radiation levels we can use international units: Gray per hour (Gy/h) Sievert per hour (Sv/h) Does this post mean that the radiation has reached the East Coast? much higher than a beta or gamma emitter. Our salvage ship spent 30 continues days in Bikini lagoon salvaging material off the bottom plus hosing down other equipment. I have never been given any training on evaluating or interpreting this radiation monitor. It was introduced by Hans Geiger and Walter Müeller in 1928, hence the abbreviation “G-M.” (Note: If a person refers to a G-M counter or detector as a “Geiger counter,” it immediately pegs him or her as a nuclear novice.) I have had no radio therapy. A Geiger counter for measuring radiation sits on a map of the Fuksuhima area. Time Lapse Of All Nuclear Explosions Since 1945. A very small number of detectors show anything like normal readings in the lower 2 digits, and they are either in a fallout shelter or something else about them doesn’t measure the 600-800 KeV range. pottery is not worth the risk associated with high levels. Protect yourself and your family from concentrated radiation, industrial accidents and nuclear disasters with the ultra-compact MIRA Safety Geiger-1 Dosimeter. We are doing a lot of research! Occupational exposure for worker is limited to 5000 mrem per year. 3,600 μSv – Average radiation a US citizen receives in a year from all sources. The following data is from an industry source believed to be reliable. We know age has a lot to do with it. stopped at all the surf schools in kihei and told the instructors that they should all wash with soap and water when leaving the ocean everytime. Detects gamma radiation at levels as low as 0.1 megaelectron volts; Accurately reads radiation levels in 20 seconds; Simple enough for a child to use, but as accurate as professional-grade equipment; Reads accumulated dose for total exposure; Utilizes the same SBM20-1 … The cores of reactors 1, 2, 3. are in the EARTH… they are now running free and are radioactive steam volcanoes! 7/24 33,561,626 Shielding(alpha: nearly anything… a sheet of paper will stop it – danger of breathing it)(beta: wood, water, plastic-acrylic, aluminum)(gamma: water, concrete, lead). Radiation Units of Measurement. SI unit röntgen: R esu / 0.001293 g of air 1928 2.58 × 10 −4 C/kg Absorbed dose (D) gray: Gy J⋅kg −1: 1974 SI unit erg per gram erg/g erg⋅g −1: 1950 1.0 × 10 −4 Gy rad: rad 100 erg⋅g −1: 1953 0.010 Gy Equivalent dose (H) sievert: Sv J⋅kg −1 × W R: 1977 SI unit röntgen equivalent man: rem 100 erg⋅g −1 x W R: 1971 0.010 Sv Effective dose (E) sievert: Sv Assume close proximity to the countertop of 3 hours per day, or 1,095 hours per year. We have been dehydrating food samples and testing them for radiation. Last modified: March 22, 2011 at 6:15 pm With fluctuations to 14,000 CPM and more. The higher we go, the less our atmosphere protects us (as if we didn’t have enough to worry about). Does anyone know? by Ken Jorgustin | Mar 18, 2011 | 92 comments. Fish from Japan, Hawaii, Washington state, Santa Barbara, Alaska, the Atlantic and North Carolina. so, having tried to explain all that, 1.) bad enuf you need to make sure you have your iodine in and keep iron levels up for starters.. as you pack to leave…which will put it off for a whileif you can get out of the direct wind currents.