Biocide leaching during field experiments on treated articles

Environmental Sciences Europe

Table 4 Mass balances for active substances from field experiments at MPA Eberswalde

Treated article	Orientation	n	Active substance	Recovery of the original amount of active substance
				Runoff	Treated article^a	Wood	Gap in mass balance
				%	%	%	%
Paint A on wood	Vertical (SW)	1	Diuron	2.6	25	5	73
			OIT	1.7	20	10	79
			Terbutryn	0.3	8	0.3	92
Paint B on wood	Vertical (SW)	4^b	Diuron	4.4	34	6	55
			OIT	4.7	12	14	70
			Terbutryn	1.3	27	0.7	71
Impregnated textile	Vertical	4^c	Carbendazim	9.0	75		16
Impregnated textile	Horizontal	1	Carbendazim	46	40		14

n number of test specimens
^aData represent content in either paint layers and wood (sum) or the impregnated textile
^bData were obtained from experiments M-1a, M-1b, M-2 and M-3 (see Table 1)
^cData were obtained from experiments at MPA Eberswalde (see Table 1)