Ciba Geigy Health Assessment<BR>(Dover Township) Toms River, New Jersey

Ciba-Geigy Health Assessment
(Dover Township) Toms River, New Jersey

Table 3a - Results of chemical analyses of selected on-site groundwater monitoring wells at the Ciba-Geigy Corporation site, 1998. Results in micrograms per liter (ľg/l, or parts per billion). Data source: CIBA, 1998b.

Yellow ** = Exceeds MCL,ESD, or Comparison Value
-- = Not Established

............................Primary Cohansey...........Lower Cohansey................................................

Contam- inants	Well 0131	Well 0134	Well 0137	Well 0194	Well 1104	Well 1119	MCL	ESD	CREG	Other Comp- arison Values
p-Chloro toluene	69	150	.	.	.	.	--	Mon- itor	--	100 (LTHA)
Styrene	.	.	.	.	.	.	100	50	--	100 (LTHA)
Tetra- chloro- ethylene	42 **	230 **	.	.	.	.	1	1	.7	100
Toluene	4.7	5	6.9	.	2.5	.	1000	26	--	200
Trichloro ethylene	25 **	35 **	1.6 **	340 **	100 **	1200 **	1	1	3	2
Xylenes	11 **	6.9 **	1.9	.	.	.	44	2	--	2000 (LTHA)
Arsenic	.	12 **	.	NM	NM	NM	50	8	.02	3
Cadmium	.	.	.	NM	NM	NM	5	3	--	7
Chromium	.	.	.	NM	NM	NM	100	50	--	100
Lead	10.5 **	.	.	NM	NM	NM	15 action level	10	--	--
Mercury	3.93 **	.14	.052	NM	NM	NM	2	2	--	2 (LTHA)
Nickel	.	.	.	NM	NM	NM	100	22	--	100 (LTHA)
Zinc	32 **	12	.	NM	NM	NM	5000	15	--	2000 (LTHA)

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