NEW CATEGORIES FOR DUST TECHNICAL ASSESSMENT OF INDUSTRIAL VACUUM
	CLEANERS, DUST EXTRACTORS AND SUCTION SWEEPING MACHINES
	Formerly		SUITABLE FOR:	Since 1/97 :
	ZH 1/487, BG-Holz, TRGS 519			EN 60335-2-69
				IEC 60335-2-69 Annex AA
	Category	max.		Dust	max.
		penetration		Class	penetration
		value			value
	U	5%	. Dusts with values of max. occupational	L	1%
			exposure > 1 mg/m3
	S	1%	. Dusts with values of max. occupational
			exposure > 1 mg/m3
	G	0 , 5 %	. Dusts with values of max. occupational	M	0, 1 %
			exposure > 0 , 1 mg/m3
	C	0 , 1 %	. Dusts with values of max. occupational
			exposure > 0 , 1 mg/m3 without
			cancerinogenic dusts ( t 35 GefStoffV )
	G	0 , 5 %	. Dusts with values of max. occupational
			exposure ≤ 0 , 1 mg/m3
	C	0 , 1 %	. Dusts with values of max. occupational
			exposure ≤ 0 , 1 mg/m3 and	H	0, 005 %
			cancerinogenic dusts ( t 35 GefStoffV )
	K1	0 , 05 %	. Cancerinogenic dusts ( t 35 GefStorfV )
			including very cancennogenic dusts
			( t 15 a GefStoffV )
	K2	see K1	. Dusts contaminated with pathogenes
	Additional	see K1	. Asbestos	Additional	see H
	requirements			reqirements
				for Germany
	B1	see	. Explodable dusts, explosion classes	B1	see
		corresponding	St1, St2 and St3 in Zone 11		corresponding
	( Germany )	category		( Germany )	dust class
		(S, G, C or K)			( M or H )
	H2	0, 2 mg (wood)	. Wood dusts	M	0, 1%
	( Germany )	per m3 (air)
	in Germany more than. 1200 W and/or 50 litre capacity of dust storage bin category B1 is necessary
	The assignment of the categories G and C to the dust classes M and H depend on the limit values
	for occupational exposure.
	TUV PRODUCT SERVICE GMBH				Dust Classes
	Dust Laboratory				Status: 16. Dezember 1998, Rev:1
	Mergenthalerallee 27				Kerstin Schute
	65760 Eschbom				print date: 1998-03-20
	Telefon:+49 6196 9601-90; Fax: -99; E-Mail: kschute@tuvps.com				page 1 of 1