ok, I have the Liptak* book in hand, so there will be no arguement.

Standard conditions, as in Standard Cubic feet per hour, or scfh are 14.7
psia and 60 deg f (not 70, as I incorrectly stated earlier)

The metric equivalent, normal conditions or normalized conditions, as in
Normal Cubic meters per hour, or NM3/h is 760 mm Hg and ) deg C.

Trout

*Liptak books are the bibles of instrumentation

----------
> From: Sean T. Stevenson <ststev@un*.co*>
> To: techdiver <techdiver@aquanaut.com>
> Subject: weight of air
> Date: Tuesday, February 09, 1999 10:12 AM
> 
> All of the temperatures quotes for STP thus far have been in error. 
> Temperatures approximating room temp. are commonly known as NTP, or
> normal temperature and pressure.  STP (standard temperature and
> pressure) is zero degrees Celcius, 32 degrees Farenheit, or 273.15
> Kelvins.  Pressure is 1 ATM.
> 
> -Sean
> 
> 
> 
> 
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