ML19246B044

Reg Guide 3.2, Efficiency Testing of Air-Cleaning Sys Containing Devices for Removal of Particles

ML19246B044
Person / Time
Issue date:	01/08/1973
From:	NRC OFFICE OF STANDARDS DEVELOPMENT
To:
References
REGGD-03.002, REGGD-3.002, NUDOCS 7907110233
Download: ML19246B044 (1)

Text

1/8/73

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U.S. ATOMK: INIRGY COMMIS910N 1"

e REGULGORY GUDDE DIRZOTORATE OF REWLATORY STAf4DARDS REGULATORY GUIDE 3.2 EFFICIENCY TESTING OF AIR CLEANING SYSTEMS CONTAINING DFylCES FOR REMOVAL OF PARTICLES A. INTRODUCTION The in. place test me t F o d measures the partide remosal effiaency of the spiem The mstalled 10 Cl2R Part 20, " Standards for Protection Against air dearung deuce, or deuces when more than one is Radiationi" speafies permissible concentrations m a2r used m a system, is confronted w th an aerosol of IMP sue.

The and water above natural background in restncted and (dioety l phthalate; of proper partale unrestnc'ed areas whhh may result from the pos.sesuon.

concentration of the aerosol is measured bef ore and use and ransfer of heensed radioactive matenal by any a fter the deucet s) by means of h 4 t -sc a t t e n n g.

hcensee. It also provides that beensees, in addition to photometru or other suitable techmques. The merall complyirg with the reqwrements set forth in Part 20 system Gltration etBaeng n thei calculated from the m.ike esery reasonable effort to mamtrin radiation two aerosol concent atmn values The purpose of the e gosu re s, and releases of radwachst m ate nals in test is to determme the etGuency of the system m such efnuents to unrestricted areas, as far belcw the hmits a manne r thoi any penetration of the test aerosol peci6ed in Part 20 as practicable ( 20. l( c)).

through the deucets) or any leaktge of the test aerosol around the devicet s) is mcluded in the resuhs l he Rgh effiaency partide filters and other types of standard does not speafy performance enteaa for the an deanmg de vices are insta!'cd tn the air cleaning pur pose of e s alua t tre sprems for specihc se n ice y stems if nudear faahties to remow particulate matter conditions. This standard w as appmved by the Amencan from prosess air or gas streams. In order to ensure that National Standards Ins.tute ( ANSI) on February 16.

the requ.rements of 10 CFR Part 20 are met users of 1972 and designated ANSI N101.1.lC2.

these systems should assess the performence ofinstalled fdters cr more speci6cally, of the er. tire system and C. REGUL ATORY POSITION tocate damyed fdters or other leakage paths. This regulatory gmde desenbes a method of assessing the The test method contained in ANSI Nidl.1-IC oserall efGciency of air-cleanmg systems contaimng "Amencan National Standard Efnaency Testmg of devhes Dr removal of particles acceptable to the AEC Air { leaning S> stems Contammg bevices f or Removal of regulatory staff.

Particles,"' constitutes a generally acceptable pmcedure for assessmg the filt ration ef0aenc) of si ste ms 2

8. DISCUSSION contair:mg one or more particulate-air clearung deuces S u b c ommittee N 101 -7 Radiation Waste Management, of the Amencan National Standards Institute Standards CortuTuttee on Atomic Indust ry

' cop... m a y be ohi med from eb. A me ru nn inuouie ne Ch'"" Ea mee ri. tinoe d E nsince rm s c er'rer us I au 4nh Faakt Desib. Construction, and O7ratmE Ca tens.

Street, New Y ork. N.Y.10017.

N101, has deseloped a standard presentmg a test method to provide a uruform basis for assesamg the filtration

'la Nuo*= 3 and 5. % 5no' id be correced '" N and 'n quoan s, the ent re e spreuion on t'3e rigt:t hand ude of the e ffiue n ce' of sy stems containin$ one or more POrticulate equainy ssgn should be rancJ to t he, ne half po.cr inucaJ of Jir-Je ani y devices.

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