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

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

Table 3 - 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
1,2,3-Trichloro- benzene	490 **	640 **	.	.	.	.	--	8	--	40 (RMEG)
1,2,3-Trichloro- propane	40 **	81 **	20 **	50 **	32 **	210 **	--	20	--	40 (LTHA)
1,2,4-Trichloro- benzene	1800 **	4300 **	1.4	.	0.8	.	8	5	--	70 (LTHA)
cis-1,2-Dichloro- ethylene	3.4	.	12 **	72 **	24 **	950 **	10	5	--	70 (LTHA)
1,2-Dicholoro- benzene	370 **	3900 **	16	2.1	6.4	.	600	77	--	600 (LTHA)
trans- 1,2-Dichloro- ethylene	.	.	1.2	7.3	3.1	10 **	10	10	--	100 (LTHA)
1,3-Dichloro- benzene	12	75 **	4.6	.	.	.	600	31	--	600 (LTHA)
1,4-Dichloro- benzene	160 **	300 **	9.7	.	0.1	.	75	10	--	75 (LTHA)
Acetone	.	.	.	1300 **	NM	NM	--	700	--	1000
Benzene	26 **	.	12 **	9.3 **	2 **	11 **	1	1	1	--
Chloro- benzene	1200 **	120 **	140 **	9.3 **	22 **	37 **	4	2	--	100 (LTHA)
Ethyl- benzene	2.4	.	2.4	.	.	.	700	32	--	700 (LTHA)
Methylene- chloride	6.3 **	15 **	0.8	1.7	.	7.3	2	2	5	600
Naphth- alene	95	85	.	.	1.1	.	--	15	--	20 (LTHA)
0-Chloro toluene	940	3000	0.6	.	.	.	--	Mon- itor	--	100 (LTHA)

Note: Chart continued on next page, please use the "NEXT" arrow to turn to that page

BACK || CONTENTS || NEXT