22 - Asbestos levels at Ground Zero were 22 times higher than the levels in Libby, Montana, where the W R Grace mine produced one of the worst Superfund disasters in US history.
1	22	22	NUM	CD	NumForm=Digit|NumType=Card	0	root	0:root	_
2	-	-	PUNCT	:	_	1	punct	1:punct	_
3	Asbestos	asbestos	NOUN	NN	Number=Sing	4	compound	4:compound	_
4	levels	level	NOUN	NNS	Number=Plur	11	nsubj	11:nsubj	_
5	at	at	ADP	IN	_	7	case	7:case	_
6	Ground	Ground	PROPN	NNP	Number=Sing	7	compound	7:compound	_
7	Zero	Zero	PROPN	NNP	Number=Sing	4	nmod	4:nmod:at	_
8	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	11	cop	11:cop	_
9	22	22	NUM	CD	NumForm=Digit|NumType=Card	10	nummod	10:nummod	_
10	times	time	NOUN	NNS	Number=Plur	11	obl:npmod	11:obl:npmod	_
11	higher	high	ADJ	JJR	Degree=Cmp	1	appos	1:appos	_
12	than	than	ADP	IN	_	14	case	14:case	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	14:det	_
14	levels	level	NOUN	NNS	Number=Plur	11	obl	11:obl:than	_
15	in	in	ADP	IN	_	16	case	16:case	_
16	Libby	Libby	PROPN	NNP	Number=Sing	14	nmod	14:nmod:in	SpaceAfter=No
17	,	,	PUNCT	,	_	16	punct	16:punct	_
18	Montana	Montana	PROPN	NNP	Number=Sing	16	appos	16:appos	SpaceAfter=No
19	,	,	PUNCT	,	_	16	punct	16:punct	_
20	where	where	ADV	WRB	PronType=Rel	26	advmod	26:advmod	_
21	the	the	DET	DT	Definite=Def|PronType=Art	25	det	25:det	_
22	W	W	PROPN	NNP	Number=Sing	24	compound	24:compound	_
23	R	R	PROPN	NNP	Number=Sing	24	compound	24:compound	_
24	Grace	Grace	PROPN	NNP	Number=Sing	25	compound	25:compound	_
25	mine	mine	NOUN	NN	Number=Sing	26	nsubj	26:nsubj	_
26	produced	produce	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	16	acl:relcl	16:acl:relcl	_
27	one	one	NUM	CD	NumForm=Word|NumType=Card	26	obj	26:obj	_
28	of	of	ADP	IN	_	32	case	32:case	_
29	the	the	DET	DT	Definite=Def|PronType=Art	32	det	32:det	_
30	worst	bad	ADJ	JJS	Degree=Sup	32	amod	32:amod	_
31	Superfund	Superfund	PROPN	NNP	Number=Sing	32	compound	32:compound	_
32	disasters	disaster	NOUN	NNS	Number=Plur	27	nmod	27:nmod:of	_
33	in	in	ADP	IN	_	35	case	35:case	_
34	US	US	PROPN	NNP	Number=Sing	35	compound	35:compound	_
35	history	history	NOUN	NN	Number=Sing	32	nmod	32:nmod:in	SpaceAfter=No
36	.	.	PUNCT	.	_	1	punct	1:punct	_
