I don't know if others have responded privately to you but if you haven't had any responses it might be because (at least to me) I am unsure of what you mean by 'high potent" chemicals.  Do you mean highly (or acutely) toxic?  Do you mean 'potent' in terms of pharmaceutical properties?  Or something else entirely?

Please disregard my inquiry if you have already received some assistance off-line.

Margaret

On Sat, Feb 8, 2014 at 9:07 PM, Nadejda Spassova <nspassova**At_Symbol_Here**delmarchem.com> wrote:

Hi all,
I am just trying to find some information regarding high potent compounds, how they classify, what that mean in term of toxicology, exposure limits, rules to follow when working with this kind of molecules.
Does anyone have a policy for working with high potent chemicals.
Thanks in advance,
Nadia

-----Message d'origine-----
De : DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] De la part de Secretary, ACS Division of Chemical Health and Safety
Envoy=E9 : 21 ao=FBt 2013 07:53
=C0 : DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Objet : [DCHAS-L] Chemical Safety Tweets

Chemical Safety Headlines From Google
Wednesday, August 21, 2013 7:49:32 AM

We're having server problems for the headlines, but here are tweets from the last couple of days:

**At_Symbol_Here**JChemHealthSafe Advanced copies of JCHAS just arrived!

acsdchas ACS Summer School - Green Chemistry, Sustainable Energy and Imaginary Mountain Lions | Sustainable Nanotechnology https://t.co/dVVRfCzSR2

acsdchas RT **At_Symbol_Here**CHMMNews: Eagle Scout project tracks hazardous materials on railroad for county . - http://t.co/DXIMcFhIxY http://t.co/fbZaRXTNl3

labsustain "Automated Alternative Chemical, Product, & Process Risk Assessment Workshop Sep 24, 2013,.North Bethesda, MD, USA" http://t.co/wqlZ97JB3q

acsdchas CSB Chair Calls for Regulatory Coverage of Reactive Chemicals Following the West, TX Fertilizer Explosion and Fire http://t.co/5EmdA8ew45

labsustain CDC - - Nanotechnology - 10 Critical Topic Areas - NIOSH Workplace Safety and Health Topic http://t.co/efPHWAo2BW [http://t.co/RTDukkqTVF]

acsdchas Controlling Formaldehyde Exposures in an Academic Gross Anatomy Laboratory http://t.co/Tgi1AFswJ9

acsdchas Catalysis in Green Chemistry Symposium October 4, 2013 Rutgers Busch Campus Piscataway, New Jersey, USA " http://t.co/KSFmSIq6XM

acsdchas "Green Chemistry and Engineering in ACS National Meeting in Indianapolis!" http://t.co/155gzO2rJk

acsdchas RT **At_Symbol_Here**NIOSH: What to do if exposed to blood or other body fluids http://t.co/yIT4bKfUFG #healthcare #ems

labsustain "Applying science to communicate science Right now, it's hard to find relevant information on how to do it well." http://t.co/1xL81FmFLu

acsdchas CDC - - Nanotechnology - 10 Critical Topic Areas - NIOSH Workplace Safety and Health Topic http://t.co/k3JYamVAiB [http://t.co/CBhlX4Ubwe]

labsustain ES&T: NaOH-Modified Ceramic Honeycomb with Enhanced Formaldehyde Adsorption and Removal http://t.co/sFkaz6OVXQ http://t.co/HBeNddmBAg

acsdchas RT **At_Symbol_Here**ChemHeritage: Catch the CHF podcast with our free iOS app: transcripts, bonus videos and sharing options http://t.co/fkzYVusQyC

acsdchas J Chem Ed: Impact of Two Online Learning Systems on Student Performance in General Chemistry http://t.co/NSqUKBRPtp http://t.co/voYWW2ZHTq

labsustain ES&T: StressChip a Tool for Assessing Microbial Community Responses to Environmental Stresses http://t.co/f3XVbHzjOs http://t.co/rZuyZBCTbL

labsustain A Novel Nanoadsorbent As(III) and As(V) Removal from Drinking Water http://t.co/Rm9GTOMDAz http://t.co/HmTUPAyfKe

labsustain RT **At_Symbol_Here**SustainUCSD: White House finally reinstalling solar panels http://t.co/HN0M61BPA3 #solar #whitehouse

acsdchas RT **At_Symbol_Here**NIOSH: What is a NIOSH Health Hazard Evaluation? http://t.co/VnzicEGP1i #HHE

acsdchas RT **At_Symbol_Here**VAHMRS: Why We Always React to White Powder Incidents | **At_Symbol_Here**scoopit http://t.co/AeTUQsS4Mm #hazmat #CBRNE

labsustain RT **At_Symbol_Here**Coal_Ash: Will EPA Protect Our Families From Toxic Coal Water Pollution? BY Robert F. Kennedy, Jr. http://t.co/dhVKLWDbaQ #coalash

acsdchas RT **At_Symbol_Here**NIOSHFACE: Another Risk From Fracking: Dust Inhaled By Workers Linked To Deadly Lung Disease http://t.co/bNAgzdmbp8





Ralph Stuart
secretary**At_Symbol_Here**dchas.org
Secretary
Division of Chemical Health and Safety
American Chemical Society