Date: Fri, 20 Aug 2010 10:33:41 -0400
Reply-To: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: Mary Ellen A Scott <mas35**At_Symbol_Here**CASE.EDU>
Subject: Chemical Fume Hood Monitors - Ohio

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We have a large number of fume hoods that need monitors and our facilities reported that the bill would run in the $20-$30,000 dollar range to have a contractor retrofit just one building. Also, once we set president to retro-fitting these older hoods with monitors, we will be expected to do them all and and this number can get way out of control. For all our new hood installations we put monitors on them but to retro-fi t old hoods is not an easy task and a lot of them have asbestos panels that would also require a specialist to do all the drilling adding more cost. Would anyone know the current legal obligation regarding fume hood monitors before I request special funding to create a project for this or see if the y can be grandfathered in to another project? Ideally, I would hope every hood has a airflow monitor that alarms, but the cost needs to be justified and even in this day of litigation. I have found that the even with the most up to date, state of the art monitors, unless they are maintained, they can cause more havoc, indicating green or safe when there is no airflow in the hood. So I like the kimwipe more and more and mandatory instruction on safe hood use (which we do). From my research and previous comments on this site, CA is the only state that requires all fume hoods have monitors and the old kimwipe is not acceptable anymore. Vaneometers cost only 5.00 and we can install them inside the hood at littl e cost, if that would not compromise the hood in any way. I am not sure of the regulations on this kind of installation. And another consideration, these do not have alarms if the flow fails. Please let me know your thoughts. Here is what I have learned regarding the regulations: FUME HOOD MONITORS Regulations regarding airflow monitors have been revised and now require ai r flow monitors on all hoods not just those newly installed or remodeled. *Enforceable Standard:* This section is from the OSHA Laboratory Standard Appendix A. Appendix A i s =93Non Mandatory=94 but has been cited in conjunction with the general duty clause as a basis for actionable litigation by OSHA. CFR 1910.1450: Each hood should have a continuous monitoring device to allow convenient confirmation of adequate hood performance before use. *Enforceable by Reference Incorporation:* ANSI Standards are used as the basis for rule making by OSHA and are thus incorporated by reference in to the 29CFR1910 standards. ANSI Z9.5-2003: All hoods shall be equipped with a flow indicator, flow alarm or face velocity alarm to alert users to improper exhaust flow. ANSI/AIHA Z9.5: The measuring device for hood airflow shall be permanently installed device and shall provide constant indication to the hood user of adequate or inadequate hood airflow. ASHRAE -2003: Includes NFPA-45 -2000 regulation *Non Enforceable Standard:* NFPA # 45-2000: A measuring device for hood airflow shall be provide d on each laboratory hood. FFPA # 49- 2002 Audible and visual alarms shall be required to indicate 20% loss of exhaust volume within 30 seconds. SEFA 1.2 2002 All hoods shall have some type of monitor for indicating face velocity or exhaust flow verification. A ribbon taped to the bottom of the sash is not acceptable. --000e0cd304ea6cab3c048e422fdd

=A0We have a larg e number of fume hoods that need monitors and our facilities reported that the bill would run in the $20-$30,000 dollar range to have a contractor retrofit just one building. =A0 Also, once we set president to retro-fitting these older hoods with monitors,=A0 we will be expected to do them all and and this number can get way out of control.

=A0For all our new hood installations we put monitors on them but to r etro-fit old hoods is not an easy task and a lot of them have asbestos panels that would also require a specialist to do all the drilling adding more cost.

Would anyone know the current legal obligation regarding fume hood monitors=A0 b efore I request special funding to create a project for this or see if they can be grandfathered in to another project?=A0 Ideally, I would hope every hood has a airflow moni tor that alarms, but the cost needs to be justified and even in this day of litigation.=A0=A0

I have found that the even with=A0 the most up to date, state of the ar t monitors, unless they are maintained, they can cause more havoc, indicati ng green or safe when there is no airflow in the hood. So I like the kimwip e more and more and mandatory instruction on safe hood use (which we do). < br>
From my research and previous comments on this site, CA is the only sta te that requires all fume hoods have monitors and the old kimwipe is not ac ceptable anymore.

Vaneometers cost only 5.00 and we can install the m inside the hood at little cost, if that would not compromise the hood in any way.=A0=A0 I am not sure of the regulations on this kind of installatio n. =A0 And another consideration, these do not have alarms if the flow fail s.

Please let me know your thoughts.


Here is what I have learn ed regarding the regulations:

FUME HOOD MONITORS

=A0

Regul ations regarding airflow monitors have been revised and now require air flow monitors on all hoods not just those newly installed or remodeled.

=A0

Enforceable Standard:

This section is from the OSHA Laboratory Standard Ap pendix A. =A0Appendix A is =93Non Mandatory=94 but has been cited in conjunction with the general duty clause as a basis for actionable litigation by OSHA.

=A0

C FR 1910.1450: =A0=A0=A0=A0=A0=A0=A0 Each hood shoul d have a continuous monitoring device to allow convenient confirmation of adequate hood perform ance before use.

=A0

Enforceable by Reference Incorporation:

ANSI Standards are used as the basis for rule making by OSHA and are thus incorporated by reference in to the 29CFR1910 standards.

=A0

A NSI Z9.5-2003:=A0=A0=A0=A0=A0=A0=A0 All hoods shall be equipped with a flow indicator, flow alarm or face velocity alarm to alert users to improper exh aust flow.

=A0

A NSI/AIHA Z9.5:=A0=A0=A0=A0 The measuring device for hood airflow shall be permanently installed device and shall provide constant indication to th e hood user of adequate or inadequate hood airflow.

=A0

A SHRAE -2003:=A0=A0=A0=A0=A0=A0=A0 Includes NFPA-45 -2000 regulation

=A0

Non Enforceable Standard:

N FPA # 45-2000: =A0=A0=A0=A0=A0 =A0A measur ing device for hood airflow shall be provided on each laboratory hood.

=A0

FFPA # 49- 2002=A0=A0=A0=A0=A0=A0 =A0 Audible and visual alarms shall be required to indicate 20% loss of exhaust volume within 30 seconds.

=A0

S EFA 1.2 2002=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 All hood s shall have some type of monitor for indicating face velocity or exhaust flow verification.=A0 A ribbon taped to the bottom of the sash is not acceptable.


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