Table 2. Sediment filters tested, numbers and dimensions of nematodes pre- and post-filtration, qPCR results, including nematode loss controls for the test processes and vacuum filtration.

Brand	Filter #	# of nematodes post/pre (% of nematodes that traversed the filter)					Real-time PCR (# nematodes tested)	Nematode length/ diameter (μm)		% of nematodes with L3 length pre/post
		Run 1	Run 2	Run 3	Run 4	Total		Pre-filter	Post-filter
20 μm wound polypropylene, United Filters International (UP20R10P)	1	10/250 (4%)	17/250 (6.8%)	37/500 (7.4%)	0/0	64/1000 (6.4%)	+ (50)	188-606/ 10–34	196-741/ 8–29	73% / 63%
	2	12/250 (4.8%)	18/250 (7.2%)	31/500 (6.2%)	6/0	67/1000 (6.7%)	+ (67)	342-520/ 17–27	390-495/ 20–26	96% / 58%
10 μm wound polypropylene, Culligan (CW-F)	1	37/250 (14.8%)	26/250 (18.4%)	99/500 (19.8%)	23/0	185/1000 (18.5%)	+ (82)	227-540/ 11–35	394-529/18-28	91% / 84%
	2	108/250 (43.2%)	98/250 (39.2%)	185/500 (37%)	22/0	413/1000 (41.2%)	+ (413)	383-516/ 18–29	250-528/ 13–28	99% / 81%
5 μm carbon block, Matrikx Accucarb (32-250-10-GREEN)	1	0/250 (0%)	0/250 (0%)	0/500 (0%)	0/0	0/1000 (0%)	n/a	399-530/ 18–33	n/a	96% / n/a
	2	0/250 (0%)	0/250 (0%)	0/500 (0%)	0/0	0/1000 (0%)	n/a	360-540/ 17–42	n/a	96% / n/a
5 μm spun polypropylene, Culligan (P5)	1	0/250 (0%)	0/250 (0%)	6/500 (1.2%)	9/0	15/1000 (1.5%)	+ (15)	185-1374/ 10–68	192-606/ 9–36	73% / 53%
	2	0/250 (0%)	0/250 (0%)	1/500 (0.2%)	3/0	4/1000 (0.4%)	+ (4)	239-1440/ 13–78	374-755/ 16–34	46% / 25%
	3	0/250 (0%)	0/250 (0%)	0/500 (0%)	1/0	1/1000 (0.1%)	- (1)	342-887/ 12–34	398/ 16	96% / n/a
1 μm spun polypropylene, Culligan (P1)	1	0/250 (0%)	0/250 (0%)	0/500 (0%)	64/0	64/1000 (6.4%)	+ (64)	372-512/ 19–28	n/a	94% / n/a
	2	0/250 (0%)	0/250 (0%)	0/500 (0%)	0/0	0/1000 (0%)	n/a	327-553/ 18–28	n/a	93% / n/a
	3	0/250 (0%)	0/250 (0%)	0/500 (0%)	9/0	9/1000 (0.9%)	+ (9)	393-510/ 19–27	432-492/ 20–24	97% / 100%
Nematodes control testing		200/250 (80%)	168/250 (67%)	160/250 (64%)
Nematode control vacuum filtration		80/100 (80%)	86/100 (86%)	71/100 (71%)	77/100 (77%)