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ianbil123  
#1 Posted : 30 January 2013 14:47:22(UTC)
Rank: New forum user
ianbil123
Looking at WEL, LTEL and STEL can somebody explain where I start with these I understand how to calculate LTEL but not STEL
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kevbell  
#2 Posted : 30 January 2013 14:52:03(UTC)
Rank: Forum user
kevbell
look at the EH40/2005 workplace exposure limits from the HSE hope this helps Kev
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Kate  
#3 Posted : 30 January 2013 15:16:21(UTC)
Rank: Super forum user
Kate
What is it you want to calculate? Is it that you have some concentration measurements and you want to compare them against the WEL?
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descarte8  
#4 Posted : 30 January 2013 15:53:46(UTC)
Rank: Super forum user
descarte8
EH40 is your guide for WEL's and STEL's. Not all chemicals will have a STEL, and you cannot calculate what the STEL will be from the WEL
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