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Subject: Re: FW: [DCHAS-L] Chemists Without Borders: Bangladesh Arsenic Contamination Project UPDATE
Date: Wednesday, July 27, 2016 3:26:01 PM
Author: Alan Hall <ahalltoxic**At_Symbol_Here**GMAIL.COM> 		Next by Date:
Subject: Re: FW: [DCHAS-L] Chemists Without Borders: Bangladesh Arsenic Contamination Project UPDATE
Date: Wed, 27 Jul 2016 23:55:27 +0000
Author: Jeffrey E Angermann

From: "Ferm, Barret" <0000061214d93b22-dmarc-request**At_Symbol_Here**listserv.med.cornell.edu>
Subject: [DCHAS-L] Laser eye protection question
Date: Wed, 27 Jul 2016 16:21:18 -0500
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: CAHoE6jrPcq1f-BpMuEXP-Vc54z6oJUbbyTNxU_k--2EmaWoGrw**At_Symbol_Here**mail.gmail.com


I am seeking help on a laser-safety question from a physics colleague. They need eye protection for the lasers listed below. Any help would be greatly appreciated. Many thanks!

Diode laser: max < 5 mW; 660-680 nm; class IIIa

Helium-neon gas laser: max < 1 mW; 633 nm; class II

Metrologic neon laser: 1.0 mW; class II


Barry Ferm
Chemical Hygiene Officer
St.. Ambrose University Chemistry Dept

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