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PRELIMINARY PUBLIC HEALTH ASSESSMENT

CHEMICAL INSECTICIDE CORPORATION
EDISON TOWNSHIP, MIDDLESEX COUNTY, NEW JERSEY


APPENDICES

APPENDIX 1: TABLES

Table 1. On-Site Surface Soil Contamination; Chemical Insecticide Site.

COMPOUND
Concentration
Maximum
Average
Pesticides/PCBs (ug/kg)

Chlordane

61,278
2,944.4
4-4-DDT
6,900,000
85,059.8
4-4-DDD
2,200,000
24,955.9
4-4-DDE
122,220
3,787
Dieldrin
17,038
967.7
Alpha-BHC
45,000,000
922,139.8
Beta-BHC
1,000
201.2
Delta-BHC
860
202.2
Gamma-BHC
23,000,000
479,443.1
Herbicides (ug/kg)
2,4-D
2,500
345.9
2,4,5-T
3,310
344.5
Silvex
3,100
284.1
Dinoseb
380,000
82,618.1
Inorganics (mg/kg)

Antimony

498
97.2
Arsenic
8,010
644.9
Cadmium
177
9.9
Chromium
51.8
15.5
Lead
1,980
103.5
Mercury
72
3.1
Nickel
44
13
Zinc
1,040
139.6
Dioxins/Furans (ug/kg)

2,3,7,8-TCDD

1.38
0.25
Tetra CDD (Total)
7.3
0.39
Penta CDD (Total)
6.36
0.45
Hexa CDD (Total)
12
0.73
Hepte CDD (Total)
 
49.9
4.27
2,3,7,8-TCDF
23.7
0.75
Tetra CDF (Total)
79.1
1.76
Penta CDF (Total)
50.6
1.41
Hexa CDF (Total)
26
1.41
Hepte CDF (Total)
41.4
3.22
Base/Neutral Acid Extractables (ug/kg)

Phenol

29,000
8,940
2-Chlorophenol
25,000
24,000
1,2-Dichlorobenzene
3,700
590.7
2,4-Dichlorophenol
700,000
107,127.7
2,2,4-Trichlorobenzene
9,200
1,259.7
2-Metnaphthalene
24,000
2,822.4
2,4,6-Trichlorophenol
5,600
2,262.5
Fluorene
12,000
1,420.4
Pentachlorophenol
14,000
1,823.1
Phenanthrene
12,000
640.6
Pyrene
18,000
747.3
Volatile Organics (ug/kg)
Methylene Chloride
180
144.6
Acetone
800
229.8
Chloroform
31
4.6
2-Butanone
820
223.2
4-Methyl-2-Pentanone
66
25.3
Tetrachloroethene
56
10.4
Toluene
23
6.6
Chlorobenzene
42
13.1
Total Xylenes
1,100
74.4

Data taken from Draft Final Remedial Investigation Report;
Ebasco Services Inc., March 1990.


Table 2. On-Site/Off-Site Soil Boring Contamination; Chemical Insecticide Site.

COMPOUND
On-Site
Off-Site
Maximum
Average
Maximum
Average
Pesticides/PCBs (ug/kg)
Alpha-BHC
330,000
34,753.6
31
31
Beta-BHC
205
86.7
42
42.5
Delta-BHC
1,900
488
ND
ND
Gamma-BHC
450,000
54,102.6
20
20
Dieldrin
17,000
1,801.1
ND
ND
Endrin
611
226
ND
ND
4-4-DDE
42,000
2,950
2.6
2.6
4-4-DDD
2,200,000
92,297.3
360
60.5
4-4-DDT
2,200,000
124,485.8
240
47.9
Chlordane
39,000
7,683
ND
ND
Herbicides (ug/kg)
2,4-D
910
185.2
ND
ND
2,4,5-T
820
102.6
ND
ND
Silvex
84
14.9
ND
ND
Dinoseb
100,000
11,834.6
ND
ND
Inorganics (mg/kg)

Antimony

111
25
180
84.5
Arsenic
3,420
309.8
24.4
6.1
Barium
450
71.5
284
69.9
Beryllium
5.2
1.7
4.8
1.1
Cadmium
71
5.5
6
2.9
Chromium
128
23.2
196
21.6
Lead
110
16.6
80
18.3
Mercury
3.3
0.5
0.6
0.3
Nickel
119
22.8
108
20.8
Thallium
0.4
0.2
17
11.1
Vanadium
137
28.7
61
26.2
Dioxins (ug/kg)

2378-TCDD

1.76
0.21
ND
ND
TETRA CDD (Total)
2.07
0.16
0.022
0.012
PENTA CDD (Total)
0.25
0.13
0.011
0.006
HEXA CDD (Total)
3.8
0.21
0.061
0.023
1234678-HpCDD
8.19
0.35
0.196
0.072
HEPTE CDD (Total)
14.6
0.81
0.452
0.169
OCTA CDD (Total)
56.9
8.33
17.956
4.803
Furans (ug/kg)

2378-TCDF

0.32
0.05
0.007
0.004
TETRA CDF (Total)
1.6
0.16
0.013
0.007
PENTA CDF (Total)
1.71
0.13
0.024
0.010
HEXA CDF (Total)
4.14
0.34
0.045
0.014
1234678-HpCDF
3.32
0.28
0.254
0.100
HEPTA CDF (Total)
10.7
0.93
0.289
0.137
OCTA CDF
11.5
1.56
0.005
0.005
Base/Neutral Acid Extractables (ug/kg)
Benzoic Acid
880
245.4
2,700
1,570
Phenol
380
160.5
130
130
2-Chlorophenol
220
100.8
ND
ND
1,4-Dichlorobenzene
1,400
14.1
ND
ND
1,2-Dichlorobenzene
980
237.4
ND
ND
2-Nitrophenol
ND
ND
ND
ND
2,4-Dimethylphenol
2,000
2,000
ND
ND
2,4-Dichlorophenol
3,400
527.8
ND
ND
1,2,4-Trichlorobenzene
2,200
504.3
ND
ND
Naphthalene
44,000
6,821.6
ND
ND
4-Chloroaniline
110
98
ND
ND
2-Methylnaphthalene
140,000
11,857.6
ND
ND
2,4,5-Trichlorophenol
280
92.5
ND
ND
2,4-Dinitrophenol
4,000
1,954
ND
ND
4-Nitrophenol
2,500
918.3
ND
ND
Dibenzofuran
6,700
3,600
78
78
Diethylphthalate
46
45
200
51
Fluorene
7,800
3,290
150
105
4,6-Dinitro-2-Methylphenol
1,600
656.7
ND
ND
Pentachlorophenol
18,000
2,357.9
ND
ND
Phenanthrene
3,300
643.4
1,600
453.7
Benzo[a]pyrene
1,400
650
1,700
925.0
Volatile Organics (ug/kg)
Vinyl Chloride
8
8
ND
ND
Acetone
24,000
6,791.6
4,400
1,470.6
Methylene Chloride
29
29
ND
ND
Carbon Disulfide
200
41.6
ND
ND
Trans-1,2-Dichloroethene
25
8.1
ND
ND
Chloroform
6.8
3.1
7
3
1,2-Dichloroethane
620
78.6
ND
ND
2-Butanone
1,100
217.8
110
34.8
Trichloroethene
23
23
3
2.5
Benzene
120
21.4
ND
ND
Tetrachloroethene
7,500
1,575.5
ND
ND
Chlorobenzene
2,100
277.2
2
2
Ethylbenzene
59,000
8,561.0
ND
ND
Total xylenes
260,000
38,394.3
ND
ND

* = New Jersey or USEPA Maximum Contaminant Level;
NA = Not Available;
ND = Not Detected

Data Taken from Draft Final Remedial Investigation report;
Ebasco Services Inc., March 1990.


Table 3. On-Site/Off-Site Surface-water Contamination; Chemical Insecticide Site.

COMPOUND
On-Site
Off-Site
Maximum
Average
Maximum
Average
Pesticides/PCBs (ug/L)
Alpha-BHC
1.8
1.8
0.2
0.2
Beta-BHC
0.5
0.5
ND
ND
Gamma-BHC
1.2
1.2
0.1
0.1
Aldrin
0.6
0.6
ND
ND
Dieldrin
0.3
0.3
ND
ND
4-4-DDE
0.3
0.3
ND
ND
4-4-DDD
0.6
0.6
ND
ND
4-4-DDT
2.5
2.5
ND
ND
Hebicides (ug/L)
Silvex
0.3
0.3
5
5
Dinoseb
16,000
7,996
ND
ND
Inorganics (ug/L)
Antimony
55
55
ND
ND
Arsenic
1,680
456.4
6.4
4.8
Barium
217
84.8
ND
ND
Chromium
31
16.1
90
68.3
Vanadium
287
140.8
ND
ND
Dioxins/Furans (ng/L)
2,3,7,8-TCDF
0.24
0.2
ND
ND
Tetra-CDF
0.24
0.2
ND
ND
Octa-CDF
0.74
0.7
ND
ND
Base/Neutral Acid Extractables (ug/L)
1,2-Dichlorobenzene
2
2
ND
ND
Volatile Organics (ug/L)
Chloroform
4.4
4.4
8.4
8.4
Trichloroethene
ND
ND
7.8
7.8
Tetrachloroethene
ND
ND
4.3
3.4

ND = Not Detected

Data taken from Draft Final Remedial Investigation Report;
Ebasco Services Inc., March 1990.


Table 4. On-Site/Off-Site Sediment Contamination; Chemical Insecticide Site.

COMPOUND
On-Site
Off-Site
Maximum
Average
Maximum
Average
Pesticides/PCB's (ug/kg)
Alpha-BHC
590,000
66,812
12
12
Beta-BHC
200
96.8
ND
ND
Gamma-BHC
250
94.8
ND
ND
Heptachlor Epoxide
110
82
ND
ND
Dieldrin
1,900
722.6
63
31.4
4-4-DDE
52,000
11,890.6
ND
ND
4-4-DDD
470,000
55,656.6
470
116.1
4-4-DDT
820,000
76,759.3
74
43.3
Arochlor 1248
420
420
ND
ND
Arochlor 1260
ND
ND
10,000
9,950
Herbicides (ug/kg)
2,4-D
1,500
710
ND
ND
2,4,5-T
1,230
444.7
ND
ND
Silvex
130
89.4
20
16
Dinoseb
51,000
51,000
ND
ND

Inorganics (mg/kg)

Antimony

62
32.7
14
10.9
Arsenic
2,660
578.3
79
24.5
Cadmium
21
7
9.4
3.6
Chromium
39
15.1
133
46.4
Lead
1,170
224.1
1,130
213.2
Mercury
0.7
0.3
0.2
0.1
Nickel
143
18.8
38
22.4
Zinc
552
208.1
1,840
662.2
Dioxins (ug/kg)
2,3,7,8-TCDD
0.76
0.39
ND
ND
Tetra CDD (Total)
0.79
0.5
ND
ND
Penta CDD (Total)
0.5
0.19
ND
ND
Hexa CDD (Total)
1.72
0.7
ND
ND
Hepta CDD) (Total)
28.5
5.87
ND
ND
Octa TCDD (Total)
83.7
21.6
1.1
0.63
Furans (ug/kg)
2,3,7,8-TCDF
2.91
0.95
ND
ND
Tetra CDF (Total)
9.06
2.75
ND
ND
Penta CDF (Total)
4.27
1.82
ND
ND
Hexa CDF (Total)
9.6
3.27
ND
ND
Hepta CDF (Total)
20.2
7.13
ND
ND
Octa CDF (Total)
37.7
12.3
ND
ND
Base/Neutral Acid Extractables (ug/kg)
1,4-Dichlorobenzene
2,900
2,900
ND
ND
1,2-Dichlorobenzene
1,400
870
ND
ND
2,2,4-Trichlorobenzene
2,900
2,900
ND
ND
Anthracene
190
95.5
48,000
12,468.3
Phenanthrene
5,900
909
5,200
1,570
Benzo(a)Anthracene
470
470
4,800
1,825
Di-N-Butylphthalate
2,100
1,214.4
4,300
2,118.6
Fluoranthrene
650
407.5
5,800
2,237.8
Pyrene
480
326
4,500
1,652.5
Volatile Organics (ug/kg)
Methylene Chloride
4
3
3
2.9
Acetone
150
150
5
5
1,2-Dichloroethane
5
5
ND
ND
Benzene
30
24.5
ND
ND
Tetrachloroethene
2
2
ND
ND
Toluene
52
31.5
3,100
563.4
Chlorobenzene
1,100
301.2

ND

ND

ND = Not Detected

Data Taken from Final Draft Remedial Investigation Report;
Ebasco Services Inc., March 1990.


Table 5. On-Site/Off-Site Groundwater Contamination; Chemical Insecticide Site.

COMPOUND
On-Site
Off-Site
MCL*
Maximum
Average
Maximum
Average
Pesticides/PCBs (ug/L)
Alpha-BHC
3400
103.8
0.2
0.1
NA
Beta-BHC
82
21.1
33
16.5
NA
Delta-BHC
1100
49.5
ND
ND
NA
Gamma-BHC
1400
75.5
0.6
0.1
4
Dieldrin
55
4.2
ND
ND
NA
4-4-DDE
58
6.8
ND
ND
NA
Endrin
230
115
ND
ND
0.2
4-4-DDD
2300
282.6
0.8
0.5
NA
4-4-DDT
2100
224.1
0.3
0.2
NA
Chlordane
88
45.7
ND
ND
0.5

Herbicides (ug/L)

2,4-D
590
87.2
3
1.9
100
2,4,5-T
636
59.7
3.6
1.4
NA
Silvex
49
4.3
0.7
0.3
10
Dinoseb
2700
1055.6
ND
ND
7
Inorganics (ug/L)

Antimony

86
839
ND
ND
70
Arsenic
89200
7355
63
21.9
50
Barium
1980
314
701
342.1
1000
Beryllium
63
13
37
8.4
1
Cadmium
1840
90.7
13
8.8
10
Chromium
855
79.8
227
43.7
50
Lead
543
63.3
136
25.2
50
Mercury
47
9.6
ND
ND
2
Nickel
1560
189.7
414
102.9
100
Thallium
25
13.4
ND
ND
2
Vanadium
1980
167.8
246
48.5
NA
Dioxins/Furans (ng/L)
HEPTA CDD (Total)
4
4
ND
ND
NA
OCTA CDD
20.2
8.06
ND
ND
NA
HEPTA CDF (Total)
4
4
ND
ND
NA
OCTA CDF
5.4
3.67
ND
ND
NA
Base/Neutral Acid Extractables (ug/L)
Phenol
150
39.3
ND
ND
NA
2-Chlorophenol
69
20
ND
ND
NA
1,4-Dichlorobenzene
50
17.2
ND
ND
75
1,2-Dichlorobenzene
79
28.1
130
45
600
2-Nitrophenol
11
9
ND
ND
NA
2,4-Dimethylphenol
20
14.5
ND
ND
NA
2,4-Dichlorophenol
1300
251
ND
ND
NA
2,2,4-Trichlorobenzene
410
47.9
ND
ND
8
Naphthalene
710
144.5
ND
ND
NA
4-Chloroaniline
500
226
30
30
NA
2-Methylnaphthalene
2900
296.9
ND
ND
NA
2,4,5-Trichlorophenol
92
34.5
ND
ND
NA
2,4-Dinitrophenol
710
263.5
ND
ND
NA
4-Nitrophenol
360
119.8
ND
ND
NA
Dibenzofuran
150
15.8
ND
ND
NA
Diethylphthalate
110
29.1
ND
ND
NA
Fluorene
260
24.5
ND
ND
NA
4,6-Dinitro-2-Methylphenol
110
54
ND
ND
NA
Pentachlorophenol
490
117.9
ND
ND
0.1
Phenanthrene
130
34.4
ND
ND
NA
Volatile Organics (ug/L)
Vinyl Chloride
94
30.9
ND
ND
2
Chloroethane
11
10
ND
ND
NA
Methylene Chloride
7
4.4
ND
ND
2
Carbon Disulfide
2500
485.8
ND
ND
NA
Trans-1,2-Dichloroethene
380
115.4
3
2.5
10
Chloroform
8.5
5.3
11
6
NA
1,2-Dichloroethane
890
250.2
ND
ND
2
2-Butanone
2000
898.6
ND
ND
NA
Trichloroethene
85
22.8
180
57.1
1
Benzene
360
44.4
2
2
1
Tetrachloroethene
160
32.2
91
86
1
Chlorobenzene
180
63.1
6
3.7
4
Ethylbenzene
910
236.9
ND
ND
700
Total xylenes
8200
931.7
ND
ND
44

* = New Jersey or USEPA Maximum Contaminant Level;
NA = Not Available
ND = Not Detected

Data Taken from Draft Final Remedial Investigation report;
Ebasco Services Inc., March 1990.

 


Table 6. On-Site Air Contamination, Total Particulates; Chemical Insecticide Site.

Compound
Maximum
Average
Pesticides/PCB's (ng/m3)
Alpha-BHC
0.34
0.27
4-4-DDE
0.9
0.27
4-4-DDD
0.49
0.19
4-4-DDT
4.25
1.27
Dioxins/Furans (pg (10-12)/m3)
TCDD (Total)
0.021
0.015
PCDD (Total)
0.030
0.022
HpCDD (Total)
0.292
0.284
OCDD
 
1.198
0.967
TCDF (Total)
0.170
0.098
PCDF (Total)
0.109
0.081
HpCDF (Total)
0.168
0.145
OCDF
0.268
0.186

Data taken from final Draft Remedial Investigation Report;
Ebasco Services Inc., March 1990.


Table 7. Residual Structure Contamination: Asphalt (Roadway) and Wipe Sample (Concrete Foundation) Contamination, Chemical Insecticide Site.

Compound
Asphalt (ug/kg)
Wipe Samples (ug/ft.2)
Maximum
Average
Maximum
Average
Pesticide/PCB's
Alpha-BHC
1,200
527.5
ND
ND
Gamma-BHC
670
450
ND
ND
Aldrin
230
230
ND
ND
4-4-DDE
38,000
6,873.1
2,900
243.7
4-4-DDD
410
410
ND
ND
4-4-DDT
86,000
14,815.4
800
72.9
Chlordane
ND
ND
800
800
Herbicides
2,4-D
23,200
4,557.3
17
17
2,4,5-T
13,100
2,289.3
40
22.8
Silvex
640
142.2
ND
ND
Dioxins/Furans
2,3,7,8-TCDD
6.11
2.03
*
*
Tetra CDD (Total)
6.11
2.03
10.7
3.1
Hexa CDD (Total)
0.83
0.45
91.0
35.9
1,2,3,4,6,7,8-HpCDD
17.5
4.62
*
*
Hepta CDD (Total)
28.8
7.65
842
129.3
Octa CDD (Total)
132.8
23
2,690
290.6
Penta CDD (Total)
 
0.36
0.19
10.8
4.9
1,2,3,4,7,8-HxCDF
0.12
0.12
*
*
Tetra CDF (Total)
ND
ND
53.5
8.5
Penta CDF (Total)
ND
ND
133
21.4
Hexa CDF (Total)
2.54
0.83
334
46.3
1234678-HpCDF
2.09
0.95
*
*
Hepta CDF (Total)
9.02
2.10
301
57.7
Octa CDF (Total)
13.5
5.85
330
77.1

ND = Not Detected

* = Specific isomer data not available; included in total congener value.

Data taken from Draft Final Remedial Investigation Report;
Ebasco Services Inc., March 1990.


APPENDIX 2: FIGURES

Site Location Map
Figure 1. Site Location Map

Detailed Site Location Map
Figure 2. Detailed Site Location Map

Current On-Site Conditions
Figure 3. Current On-Site Conditions

Mill Brook Watershed Map
Figure 4. Mill Brook Watershed Map


APPENDIX 3: RESPONSE SUMMARY

CHEMICAL INSECTICIDE CORPORATION
Edison Township, Middlesex County, New Jersey

For the Public Comment Period:
October 21, 1991 - November 20, 1991

Introduction

The New Jersey Department of Health (NJDOH) conducted a public comment period for the Preliminary Public Health Assessment for the Chemical Insecticide Corporation (CIC) site from October 21, 1991 through November 15, 1991. The Preliminary Public Health Assessment document was placed in local repositories to facilitate commentary and reaction by the public at large. Additionally the Preliminary Public Health Assessment was circulated to the Edison Township Department of Health and Human Resources (EDHHR) on October 7, 1991 for the purpose of soliciting commentary by the Edison Township Health Officer.

This response summary represents those comments and reactions to the health assessment document received during the public comment period. In some cases similar commentary was received from various sources, while other concerns were specific to individuals or groups. Comments and concerns have been grouped by content and are followed by the consequent response.

Contamination of Off-Site Areas

Respondents expressed a primary concern to the NJDOH regarding the possibility of off-site contamination which has not been detected by the remedial investigation. Respondents inquired whether there was sufficient data to describe the nature and extent of possible site-related soil contamination in the Edison Glen/Edison Woods areas, and of sediment contamination associated with the unnamed creek and the Mill Brook. In both cases (soils and sediments), questions arose as to whether contaminants which might be found posed a health threat to residents of the area. Generally, residents felt there was insufficient off-site sampling of soils and sediments, and additional sampling was necessary to demonstrate these areas to be free of contamination. Respondents also inquired about the sites impact upon the deep (Brunswick) aquifer, and the possibility of off-site migration of fugitive dusts.

Response:

The Preliminary Public Health Assessment for the CIC site was based upon data which were presented in the Remedial Investigation report (March 1990). The NJDOH and the ATSDR have reviewed the existing data and concluded the primary public health concern associated with the CIC site at the present time is surface water run-off. Respondents concerns about possible contamination of off-site soil, off-site sediments, and the deep aquifer have been communicated to the USEPA under whose jurisdiction such investigation would occur. If the USEPA concludes additional data is necessary to further characterize the site and conducts additional sampling of off-site areas, the NJDOH and the ATSDR will review all available information and re-evaluate, if necessary, the public health implications of the CIC site.

Buried Munitions

Respondents inquired about the possibility of buried munitions existing on the CIC site and in immediately adjacent areas.

Response:

It is known that the N.J. Fulgent Company occupied the property prior to the CIC and manufactured flares and other incendiary devices during the Second World War. The USEPA has confirmed that a minor explosion occurred on-site during the installation of a monitoring well. This fact notwithstanding, geophysical investigations of the site conducted during the Remedial Investigation have not confirmed the presence of deflagrating or explosive materials. Specifically, nitroaromatic compounds, indicative of explosive mixtures, were not detected. However, the USEPA is continuing to ascertain whether such a hazard exists at the CIC site. If an explosive hazard is found to exist on or in the environs of the site, the NJDOH and the ATSDR will review the public health implications of the situation with the USEPA and the EDHHR. Additionally, if necessary, the NJDOH and the ATSDR will revise the physical hazards and recommendations sections of the health assessment to address conditions at the site.

Exposure Pathways

The USEPA and the Edison Department of Health And Human Resources have indicated that information contained in the Exposure Pathways section of the Public Comment Draft of the CIC Preliminary Public Health Assessment was erroneous.

Response:

Specifically, 2,3,7,8 TCDD was not detected in the air filter sampling performed for the bakeries in the Metroplex complex as indicated in the Public Comment Draft of the health assessment for CIC. The ATSDR Health Consultation which was referenced in the health assessment, and from which this information was drawn, reported concentrations of 2,3,7,8-TCDD in the filter samples. After verification with the USEPA Remedial Project Manager and the Edison Township Health Officer, it was determined that in actuality these figures represented detection limits for this compound (0.28 - 0.65 ppb.). The Exposure Pathways section of the health assessment has been revised to reflect this corrected information. However, off-site transport of fugitive dusts during soil disturbing activity remains as a potential concern at the CIC site due to the proximity of residential areas and sensitive commercial operations.

On-Site Septic System

Respondents inquired regarding the public health implications of the remnants of the septic system present on the CIC property.

Response:

As noted in the Preliminary Public Health Assessment, a septic system may present a physical hazard to trespassers on the CIC site depending upon the physical condition and/or mechanical stability of the system. However, this hazard is minimal since the CIC site has been effectively secured against unauthorized access.

Available evidence suggests that CIC may have utilized the septic system to receive septic and industrial wastes during its operational period. This practice would have likely contributed to groundwater contamination associated with the site. The nature and extent of groundwater contamination associated with the CIC site has been documented in the Remedial Investigation report, and may be the focus of additional characterization by USEPA. Existing groundwater data have been evaluated during the health assessment and potential human exposure pathways associated with contaminated groundwater have been addressed. The on-site septic system does not represent an unique human exposure pathway, but rather represents a contributing factor to the overall condition of groundwater contamination associated with the CIC site.

Remedial Activities

Respondents inquired regarding the potential for exposure to on-site contaminants as a result of the impending remedial activities at the CIC site.

Response:

The potential for exposures resulting from soil disturbing remedial activities have been recognized by the USEPA. The USEPA is responsible for designing and implementing a remedial plan which minimizes the potential for human exposure and accomplishes remedial objectives in a fashion consistent with preserving the health and safety of area residents. Specific details of the remedial action plan are available from USEPA. The NJDOH and the ATSDR, as well as the EDHHS, actively reviewed the CIC remedial workplan to insure that public health concerns are addressed during remedial planning and implementation of remedial activities.

Health Outcome Data

1) Respondents inquired regarding the review of health outcome data for individuals utilizing the Metroplex parking lot.

Response:

Although surface-water runoff to the drainage ditch and the adjacent Metroplex parking lot during precipitation events was identified as a potential exposure pathway, analysis of health outcome data for the individuals utilizing the parking lot was not recommended in the health assessment. As was noted in the Preliminary Public Health Assessment, databases available for review (cancer and adverse pregnancy outcome registries) would not be expected to yield useful information under the existing circumstances of this exposure pathway. Existing databases correlate health outcomes with place of residence, and thus would be of no value in evaluating individuals from various locations who utilize the parking lot for a limited time each day. The USEPA has conducted a risk assessment of the surface runoff present in the Metroplex parking area (October; 1991). This risk assessment has been reviewed by the NJDOH and the ATSDR. Information provided by USEPA indicated that the short term exposures which could be experienced by individuals in the parking lot area (i.e. dermal contact with water during a storm event) would not be expected to cause adverse health effects. However, the NJDOH and the ATSDR recognize that changes in site conditions may effect levels of contamination contained in surface water runoff. Should conditions change at the CIC site where acute (short-term) exposures to site contaminants pose a health hazard, the NJDOH and the ATSDR will re-evaluate this exposure pathway, and if necessary, provide appropriate follow-up activities or investigations.

2) Respondents inquired regarding the results of the investigation conducted in 1969 by the NJDOH Pesticide Project describing the occupational exposure of CIC workers to pesticides and other compounds manufactured by the company at the time.

Response:

This study was part of an overall investigation of occupational exposure to pesticides at numerous manufacturing facilities across the state. NJDOH records (Letter: Frank J. Marshall; Principal Industrial Hygienist NJDOH, to Arnold M. Livingston August 8, 1969) of the investigation indicate that no adverse health effects from exposure to pesticides were reported among CIC employees. Additionally, the results of individual medical screening were referred to the plant physician for individual follow-up. The study concluded that there was no evidence which indicated that employees were receiving harmful exposures to compounds manufactured at the CIC plant.

3) Respondents inquired regarding the feasibility of a general "health study" for the CIC site.

Response:

Based upon available site data and documented completed human exposure pathways, the Chemical Insecticide Corporation site is not presently being considered for follow-up health study or investigation. If additional information or data become available which indicate a change in the nature or extent of site-related contamination, the ATSDR and the NJDOH will review the consequent human exposure pathways and, if necessary, reconsider the conclusions and recommendations of the health assessment including the applicability of additional follow-up health activities and investigation.

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