Lakehead University Townhall Meeting October 31, 2007
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Transcript of Lakehead University Townhall Meeting October 31, 2007
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Lakehead UniversityTownhall MeetingOctober 31, 2007
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Lakehead University Policy
“There will be no use of WiFi in those areas of the University already served by hard wire connectivity until such time as the potential health effects have been scientifically rebutted or there are adequate protective measures that can be taken.”
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Lakehead University isConnected Fibre optic backbone on
campus Connectivity through public
and private fibre optic networks: Orion, C4net, Big Pipe (Shaw)
Students have over 8,000 access points with internet cafés, plug-ins, computer labs, residences
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WiFi Decision Well connected with high speed interfaces
Security, speed and cost are all issues
Potential health impacts
“Precautionary Principle”
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Precautionary Principle Considering the scientific evidence at the time
invoked the “Precautionary Principle” (Adams, 2002) As the technology is one of convenience, not
necessity, on the campuses As there are demonstrable DNA, cellular, tissue
and whole body effects
Adams, M. (2002). The precautionary principle and the rhetoric behind it. Journal of Risk Research, Volume 5, Number 4: 301-316.
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Benevento Resolution (2006) Benevento Resolution signed by 31 scientists (September 2006) More evidence has accumulated suggesting that there are adverse health
effects from occupational and public exposures to electric, magnetic and electromagnetic fields, or EMF, at current exposure levels.
There is evidence that present sources of funding bias the analysis and interpretation of research findings towards rejection of evidence of possible public health risks.
Biological effects can occur from exposures to both extremely low frequency fields (ELF EMF) and radiation frequency fields (RF EMF).
We encourage governments to adopt a framework of guidelines for public and occupational EMF exposure that reflect the Precautionary Principle.
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Non-thermal Microwaves Biological Effects Determined by Frequency Modulation Intermittence and
coherence time of exposure Polarization Static magnetic field Electromagnetic stray field
Genotype Gender Physiological and individual
factors Cell density Duration of exposure Power density
Belyaev, I. 2005. Non-thermal Biological effects of Microwaves. Microwave Review, November 13-29.
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Some International EMF Exposure Standards
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Potential Health Impacts
International standards vary significantly and North American ones are based on thermal effects
Issue is about non-thermal effects Relationship of “hot spots” for WiFi to mast towers
for wireless cellular communication – exposure impact decreases with distance from source
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Modes of Action (Adey, 1998) Free radical creation Neuronal effects Increased permeability of membranes Genotoxicity
Adey W.R., Electromagnetic fields. The modulation of brain tissue functions – A possible paradigm shift in biology. In International Encyclopedia of Neuroscience. Vershaeve, L., and Maes, A. 1998. Genetic, carcinogenic and teratogenic effects of radiofrequency fields. Reviews in Mutation Research 410: 141-165.
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Radiofrequency Radiation Studies 1990 - 2003
401 118 1020
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Positive Studies Negative Studies Not Applicable
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Radiofrequency Radiation Studies With Chronic Exposures (1990-2004)
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Studies ShowingEffects
Studies ShowingNo Effect
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Radiofrequency Radiation Studies – Nervous System Effects (1990-2004)
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Studies Showing Effects Studies Showing NoEffect
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Radiofrequency Radiation Studies Reporting Immune Function Changes (1990-2003)
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Studies ShowingEffects
Studies ShowingNo Effect
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Radiofrequency Radiation Blood Brain Barrier Studies (1990-2004)
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Studies ShowingEffects
Studies ShowingNo Effect
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Reported Biological Effects from Radiofrequency Radiation at
Low-Intensity Exposure
An Overview of Low-Intensity Radiofrequency/Microwave Radiation Studies Relevant to Wireless Communications and Data
C. Sage, Sage Associates, Santa Barbara, California, USA93108 Bioelectromagnetics Society
June 2004 Annual Meeting, Washington DC
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Standards and Background Levels Reference
Power Density
~530-600 µW/cm2 Limit for uncontrolled public exposure to 800-900 MHz ANSI/IEEE
1000 µW/cm2 PCS STANDARD for public exposure (as of September 1, 1997) FCC, 1996
5000 µW/cm2 PCS STANDARD for occupational exposure (as of September 1, 1997) FCC, 1996
Power Density Background Levels
0.05 µW/cm2Median ambient power density in cities in Sweden (30-2000 MHz) Hamnerius, 2000
0.003 µW/cm2 Background Level Ambient background RF exposure in US cities and suburbs 1990s Mantiply, 1997
0.1-10 µW/cm2Ambient RF exposure within 100-200 feet of cell/PCS antenna array Sage, 2000
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Power Density Reported Biological Effects Reference
0.0006 – 0.0128µW/cm2
Fatigue, depressive tendency, sleeping disorders, difficulty in concentration, and cardiovascular problems were reported with exposure to GSM 900/1800 MHz cell phone signal in study withexposure to base station levels of RF. Oberfeld, 2004
60 µW/cm2Cortex of brain activated by 15 minutes of902 MHz cell phone exposure. Lebedeva, 2000
100µW/cm2 Changes in immune system functions Elekes, 1996
100 µW/cm2(0.027 W/Kg SAR)
A 24.3% drop in testosterone after 6 hours of continuous-wave RFR exposure. Navakatikian, 1994 Navakatikian, 1994
120 µW/cm2 A pathological change in the blood brain barrier (915 MHz). Salford, 1994
500 µW/cm2 (0.135 W/Kg SAR)
A 24.6% drop in testosterone and 23.2% drop in insulin after 12hours pulsed RFR exposure. Navakatikian, 1994
500 µW/cm2 (0.135 W/Kg SAR)
Intestinal epithelial cells exposed to 2450 MHz microwave pulsed
at 16 Hz showed changes in intercellular calcium. Somozy, 1993
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STANDARDS and BACKGROUND LEVELS
0.08 W/Kg IEEE standard uncontrolled environment
(whole body) IEEE
0.4 W/Kg IEEE standard controlled environment (whole
body) IEEE
1.6 W/Kg
FCC(IEEE) SAR limit over 1 gram of tissue in a partial body exposure situation (for example, cell phone to ear) FCC, 1996
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SAR Reported Biological Effects Reference
0.000064 W/Kg –0.000078 W/Kg
Well-being and cognitive function affected in humans exposed toGSM-UTMS cell phone frequencies; RF levels are similar to thosefound near cell mast sites.
TNO Physics and Electronics Lab,
Netherlands, 2003
0.00015 - 0.0003 W/Kg
Calcium ion movement in isolated frog heart tissue is increased by 18% (0.0003 W/Kg - P<.01) and by 21%(0.00015 W/Kg - P< .05) by weak RF field modulated at 16 Hz.
Schwartz, 1990
0.000021- .0021 W/Kg
Changes in cell cycle and cell proliferation (960 MHz GSM cell phone signal).
Kwee, 1997
0.0016-.0044 W/Kg
Very low power 700 MHz CW affects excitability of hippocampal tissue, consistent with reported behavioral effects of RF. Tattersall, 2001
0.0095 W/Kg
MW modulated at 7 Hz produces more errors in short-term memory function on complex tasks (can affect cognitive processes such as attention and short-term memory). Lass, 2002
RF Charts Reporting Effects at Low-Intensity Levels
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SAR Reported Biological Effects Reference
0.0004-0.008 W/Kg
915 MHz cell phone RFR caused leakage in blood-brain barrier Worst at lowest levels and worse with CW compared to PW with a maximum pathology with 8-50 Hz modulation. Frequency of pathological changes was 35% in rats exposed to pulsed radiation and 50% to continuous wave RFR. Effects observed at a specific absorption (SA) of >1.5 Joules/Kg. Persson, 1997
0.001 W/Kg
750 MHz continuous-wave (CW) RFR exposure caused an increase in heat shock proteins (stress proteins). Heat shock proteins induced by RFR exposure were equivalent to that which would be induced with 3 degree C. heating of tissue, but no heating occurred during the RFR exposure.
de Pomerai, 2000
0.001 W/KgStatistically significant change in intracellular calcium concentration in
heart muscle cells exposed to RFR (900 MHz/ 50 Hz modulation)Wolke, 1996
0.0021 W/Kg
A significant change in cell proliferation not attributable to thermal heating. RFR probably induces non-thermal cell stress involving heat shock proteins (960 MHz GSM cell phone signal).
Velizarov, 1999
RF Charts Reporting Effects at Low-Intensity Levels
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SAR Reported Biological Effects Reference
0.0021 W/KgHeat shock protein HSP 70 (stress response) is activated by very low
power microwave exposure in human epithelial amnion cells. Kwee, 2001
0.0024 W/Kg to Digital cell phone RFR at very low intensities causes Phillips, 1998
0.024 W/KgDNA effects in human cells. DNA effects are direct DNA damage and
the rate at which DNA is repaired.
0.0027 W/Kg Changes in active avoidance conditioned reflex (behavioral change)
after 0.5 hour exposure to pulsed RFR. Navakatikian, 1994
RF Charts Reporting Effects at Low-Intensity Levels
0.0059 W/Kg Cell phone RFR induces glioma (brain cancer) cells to
significantly increase thymidine uptake, which may be Stagg, 1997
indication of increased cell division.
0.015 W/Kg Immune system effects - elevation of PFC count Veyret, 1991
(antibody-producing cells)
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SAR Reported Biological Effects Reference0.02 W/Kg Single 2-hour exposure to GSM cell phone RF results in
serious neuron damage and death in cortex, hippocampus and basal Salford, 2003
ganglia of brain as measured 50 days later, where blood brain
barrier is still leaking albumin (P <.002) following one exposure.
0.026 W/Kg Activity of c-jun (oncogene) was altered in cells
after only 20 minutes exposure to cell phone signal (TDMA); Ivaschuk, 1997
an average 38% decrease was reported.
0.28 - 1.33 Significant increase in headache with increasing use of hand-held Chia, 2000
W/Kg cell phone use (maximum tested was 60 minutes per day)
0.0317 W/Kg Decrease in eating and drinking Ray, 1990
0.037 W/Kg Hyperactivity caused by nitric oxide synthase inhibitor is Seaman, 1999
countered by exposure to ultra-wide band pulses (600/sec) for 30 min.
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SAR Reported Biological Effects Reference0.05 W/Kg Significant increase in firing rate of neurons (350%) with pulsed
900 mHz but not unmodulated cell phone frequency exposure in Beason, 2002
avian brain cells.
0.121 W/Kg Cardiovascular system/significant decrease in arterial Lu, 1999
blood pressure (hypotension) after exposure to ultra-wide band pulses.
0.13 - 1.4 W/Kg Lymphoma cancer rate is 2 times normal with two 1/2 Repacholi, 1997
hour exposures per day of cell phone RFR for 18 months
(pulsed digital mobile phone signal 900 MHz).
0.14 W/Kg Elevation of immune response at 100 µW/cm2. Elekes, 1996
0.141 W/Kg Structural changes in testes/smaller diameter of Dasdag, 1999
seminiferous tubules in rats exposed to RFR from cell phone on speech
transmission (but not stand-by mode) with 3 one-minute exposures
per hour for two hours per day for one month.
0.15-0.4 W/Kg Statistically significant increase in malignant tumors at Chou, 1992
480 µW/cm2 in rats chronically exposed to RFR.
0.26 W/Kg Harmful effects to the eye/certain drugs can sensitize the eye Kues, 1992
to RFR.
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SAR Reported Biological Effects Reference
0.3-0.44 W/KgCellular phone use results in changes to cognitive thinking/ mental tasks related to memory retrieval. Krause, 2000
0.3-0.44 W/Kg Attention function of brain/responses are speeded up. Preece, 1999
Koivisto, 2000a,b
0.3-0.46 W/Kg
Cell phone RFR doubles pathological blood-brain barrier permeability at two days (P = .002) and triples permeability at four days (P=.001). (1.8 GHZ GSM cell phone signal in an in vitro blood brain barrier model). Schirmacher, 2000
0.5 W/Kg 900 mHz pulsed RF affects firing rate of neurons Bolshakov, 1992
(Lymnea stagnalis) but continuous wave had no effect.
0.58 - 0.75 W/Kg Decrease in brain tumors after chronic exposure to RFR Adey, 1999
(836 MHz TDMA digital cell phone signal).
0.87 W/Kg
Altered human mental performance after exposure to GSM phone radiation (900 MHz - 1 hour) with increased speed of processing but decreased capacity to deal effectively with information; overall slowing of decision-making. Hamblin, 2004
0.87 W/Kg
Change in human brainwaves;decrease in EEG potential .01-3.7 µV; statistically significant change in alpha (8-13 Hz) andin beta (13-22 Hz) band brainwaves D'Costa, 2003
1 W/KgGSM mobile phone use modulates brain oscillations and sleep EEG. Huber, 2002
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SAR Reported Biological Effects Reference
1.0 W/Kg (max)Cell phone RFR during waking hours affects brain wave activity (EEG
patterns) during subsequent sleep. Achermann, 2000
1.0 W/Kg (max)Cell phone use causes nitric oxide (NO) nasal vasodilation (swelling
inside nasal passage) on side of head phone used. Paredi, 2001
1.0 W/Kg (max) Four-fold increase in eye cancer (uveal melanoma) in cell phone users. Stang, 2001
1.0 W/Kg (max)Increase in headache, fatigue and warmth behind the ear in cell phone
users. Sandstrom, 2001
1.0 W/Kg (max)Significant increase in concentration difficulties using 1800 MHz cell
phone compared to 900 MHz cell phone frequency. Santini, 2001
1.0 W/Kg (max)Sleep patterns and EEG are changed with 900 MHz cell phone
exposure during sleep. Borbely, 1999
1.4 W/KgGSM cell phone exposure elevated heat shock protein HSP 70 by 360%
(stress response), and phosphorylation of ELK-1 by 390%. Weisbrot, 2003
1.48 W/Kg
A significant decrease in protein kinase C activity at 112 MHz at 2 hours/day for 35 days; hippocampus appears to be site of EMF-biointeraction consistent with other reports that RF negatively affects learning and memory functions. Paulraj, 2004
1 - 2 W/KgSignificant elevation in micronucleus frequency in peripheral blood
erythrocytes at 2450 MHz (8 treatments of 2 hours each). Trosic, 2002
0.6 and 1.2 W/Kg Increase in DNA single and double strand breaks from RFR exposure
(2450 MHz). Lai & Singh, 1996
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SAR Reported Biological Effects Reference
1.5 W/Kg
GSM cell phone exposure affected gene expression levels in tumor suppressor p53-deficient embryonic stem cells; and significantly increased Hsp70 heat shock protein production. Czyz, 2004
2 W/Kg
GSM cell phone exposure of 1 hour activated heat shock protein HSP 27 (stress response) and P38 MAPK (mutagen-activated protein kinase) that authors postulate facilitates brain cancer and causes increase in blood-brain barrier permeability. Leszczynski, 2002
2 W/Kg
900 MHz cell phone exposure caused brain cell oxidative damage by increasing levels of NO, MDA, XO and ADA in brain; caused statistically significant increase in "dark neurons" or damaged brain cells in cortex, hippocampus and basal ganglia with 1-hour exposure for 7 consecutive days. Ilhan, 2004
2.6 W/Kg
900 MHz cell phone exposure for one hour significantly altered protein expression levels in 38 proteins following irradiation. Cell phone exposure activates the P38 MAP kinase stress signalling pathway and leads to changes in cell size and shape (shrinking and rounding-up) and to activation of Hsp 27, a heat-shock protein.
Leszczynski, 2004
2 - 3 W/Kg Accelerated development in skin and breast tumors by RFR. Szmigielski, 1982
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Diagram of mechanisms linked to Electromagnetic fields (EMF) exposure(Dr. Richard Gautier)
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Cumulative Exposures We are at a point where society has embraced a technology
with potentially serious health impacts that manifest themselves over time and appear related to cumulative exposures – there are analogs Cigarette smoking Second hand tobacco smoke Asbestos exposure Heavy metal accumulation (e.g. lead paint) Chemical carcinogens (e.g. benzene)
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Cumulative Exposure (cont’d) In each case, concern started with less scientific
evidence than exists for EMF health effects Should we ban such use – no, but people should be
aware that there are potential impacts and given the choice and ability to avoid exposure
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Consequences of Exposure In light of the evidence at hand, there are the potential
following consequences to continued long term exposure to EMFs from pervasive WiFi systems in urban and other settings Increased electro sensitivity in the population Decreased productivity due to behavioural and body
system effects Future class action suits against municipalities,
manufacturers, and governing bodies that allowed WiFi exposure
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Increased Electro Sensitivity in Population Sweden recognizes electro-hypersensitivity (EHS)
as a functional impairment Related to contact with EMF sources Cellular and neuronal modification in EHS
individuals (Johansson, 2006 – Electromagnetic Biology and Medicine)
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1973 Report Blanco et al. (1973), Queen’s University Department
of Anatomy, Report to the Government of Canada, “Environmental Pollution by Microwave Radiation – A Potential Threat to Human Health”
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Potential Link to Alzheimer’s Disease and Autism
Increased permeability of blood/brain barrier allows mercury to pass through
Mercury has been identified as a pathogenic factor for Alzheimer’s (amalgam fillings source of mercury)
Autism in children many vaccines have a mercury carrier
(thimerosal preservative) in utero exposure to mother’s
immunization shots and blood mercury (Mutter et al., 2004, 2005, Neuroendocrinology Letters)
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Clumping of Red Blood CellsAfter Cell/Mobile Phone Use Reduced oxygen to the brain Reduced memory 90 second call takes 40
minutes for cells to return to normal state
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International Journal of Cancer Finland Radiation and Nuclear
Safety Authority researchers Mobile phone use for more than
10 years makes users 40% more likely to develop gliomas (tumours formed from glial cells in the central nervous system) localized on head where handset is held
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Long-Term Mobile Phone Use and Brain Tumor Risk
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Cancer Clusters Australian Broadcast
Commission
- Breast cancer, etc.
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Deploying WiFi
Bodies deploying WiFi should acknowledge the potential health risks and provide WiFi free zones Such areas should be posted and the hot spots
clearly identified This is the only way to ensure someone can
decide whether to expose him/herself to the radiation being generated
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Environment ministry warn of health risks.The German government has warned its citizens to avoid using WiFi internet connections wherever possible.
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BioInitiative Report:A Rationale for a Biologically-based Public Exposure Standard for Electromagnetic Fields (ELF and RF)
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Law School Initiative A revised proposal will be
submitted to the Law Society this fall
If the proposal is approved, the first class of students will enter the Faculty of Law in September 2009
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Proposed Acquisition of PACI The University is in negotiation with the Lakehead District
School Board for the exchange of a 16-acre parcel of University land for Port Arthur Collegiate Institute (PACI)
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Fieldhouse Pool
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Orillia Campus Permanent Orillia campus to be situated on the Horne Farm
![Page 50: Lakehead University Townhall Meeting October 31, 2007](https://reader031.fdocuments.in/reader031/viewer/2022020106/56812b4a550346895d8f68d9/html5/thumbnails/50.jpg)
Budget 08/09