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RE: Lab Readings in ug/L vs ppb



 
ppm = 1mg/L
ppb = 1 ug/L
ppt (trillion)=1ng/L
ppq (quadrillion)=1pg/L
 
:-)))))))))
 
Fred Granek
-----Original Message-----
From: Donald Sutherland [mailto:donaldsutherland-iso14000@worldnet.att.net]
Sent: Thursday, February 13, 2003 12:45 PM
To: P2Tech Listservice
Subject: Lab Readings in ug/L vs ppb

Can someone tell me how these lab testing results translate into parts per billion (ppb)?
 
Thanks for your help.
 
Cheers,
Donald Sutherland
 
Eastern Range Detected Average
 2001 ND-1.45 ug/L 0.47 ug/L
 
Western 
2001 ND-1.56 ug/L 0.64 ug/L
 
Southern 
2001 ND-2.38 ug/L 0.94 ug/L