Low Frequency noise is a critical health concern - Rocky Mountain Lab Dangerous to YOUR Health...

"Dear RML,

The World Health Organization (WHO) publishes that low frequency noise (LFN) should be kept below 30 dbA (see below), and the A weighted range is inappropriate to measure LFR; a NOISE-CON 2004 paper calls "A" weighted sound data invalid for LFN. The sound reading in my front yard was 43 dbA on February 2, 2011 between 1400 and 1430 hrs per verbal transference from Montana Acoustics PC.

The WHO also felt Low Frequency noise is a critical health concern (again see below).

Proximity residents of RML in Hamilton, MT are sleep deprived, show signs of stress, anxiety, signs of LFN long term exposure; a NOISE-CON 2004 study indicates LFN increases the rate of depression by 25%.

Ravalli County ranks #5 of 2000 counties in the United States for suicide, twice the national average. Four detainees in the Ravalli County Jail took their own lives (a mental health indicator) in 2005. Should RML increase this indicator by a continued LFN signature above WHO levels as a federal agency of the United States?

The annoyance is more than a mere annoyance, per published research on low frequency noise but a major health concern, and enjoyment of life factor [to which I am not coming close to explaining Low Frequency Noise health effects].

Physiologically, systolic heart rate, blood pressure, stress, and heart disease increases with long term exposure to LFN.

The World Health Organization is one of the bodies which recognizes the
special place of low frequency noise as an environmental problem. Its
publication on Community Noise (Berglund et al., 2000) makes a number of
references to low frequency noise, some of which are as follows:

• " It should be noted that low frequency noise, for example, from
ventilation systems can disturb rest and sleep even at low sound levels" (happening now in Hamilton, MT surrounding RML)

• "For noise with a large proportion of low frequency sounds a still lower
guideline (than 30dBA) is recommended"

• " When prominent low frequency components are present, noise
measures based on A-weighting are inappropriate"

• "Since A-weighting underestimates the sound pressure level of noise with
low frequency components, a better assessment of health effects would
be to use C-weighting" [e.g. SPREADBURY DATA attached: 3 spreadsheets of RML sound data]

• "It should be noted that a large proportion of low frequency components
in a noise [e.g. RML sources] may increase considerably the adverse effects on health"

• "The evidence on low frequency noise is sufficiently strong to warrant
immediate concern" (other than the deception of 2/2/11 of misprepresenting actual sound levels, or appropiate measurement)

source of WHO data: http://www.defra.gov.uk/environment/quality/noise/research/lowfrequency/documents/lowfreqnoise.pdf

Perhaps the National Institutes of Health can be informed from the World Health Organization (WHO).

" I am open to any research with more impact than the WHO, the NOISE-CON conference which indicates the A weighted data for industrial low frequency sound (<500 Hz) is not appropriate. To date, I have not found any, including the manual for my sound meter. Only one data point I have taken was at the published threshold 55dbc 2/2/11(day RML purposely reduced noise signature when Montana Acoustics measured 2/2/11 at RML during daylight hours), the rest have been well above the published threshold of 50db (day) and 55db (night) using a C weighted scale (per WHO). Maximum value 77dbC 150 yrds. NW of the RML IRF (Bio-level 4 facility) in the 6th St. cul de sac.

I look forward to the second set of data, frequency signature, point source magnitude from Montana Acoustics 2/2/11 survey at RML. The Freedom of Information Act (FOIA) should cover this request.

A data set showing RML noise signature being reduced (by approximately 10db) for sound data collection is attached as "RML Sound 2/2/11 DAY".

The observation that steam was not rising from the facility in the afternoon of the 2/2/11 sound recording data indicates a shutdown of non-essential industrial equipment, reflected in the raw data, independent observers (not a perception). The "night" data from this morning show readings above 50 dbC prior to 7AM today ["RML SOUND 2/3/11 NIGHT"].

Got a Tip on Rocky Mountain Lab ?

Crystal@CrystalCox.com

comment: 


In a letter dated March 15, 2011 the Rocky Mountain Lab stated that they are standing behind this fradulent data.  A message to US Rep. Rehberg office said the same thing, referred to the March 15, 2011 letter.  Fradulent science standing together.  Will they send Hamilton MT residents on a cruise after they finish a new building, so the sound testing will be done while we are out drinking umbrella drinks?