Table 1 Air Groundwater Soil Chemical Max, mg/m3 Max, mg/L Max, mg/kg Chlorobenz
ID: 257649 • Letter: T
Question
Table 1
Air
Groundwater
Soil
Chemical
Max, mg/m3
Max, mg/L
Max, mg/kg
Chlorobenzene
8.09e-8
1.10e-2
6.40
Chloroform
3.12e-12
7.60e-3
4.10
1,2-Dichloroethane
2.40e-8
2.00e-3
2.2
BEHP
8.29e-7
.010
2.30e2
BEHP-bis-2-ethyl hexyl phthalate (on RBC Table listed under “phthalates“)
1. For each compound, determine if the maximum concentration is above USEPA RBC screening values.
2. Determine the daily intake for all compounds listed in Table 1 from dermal contact of soils by residents. Note that some chemicals may require evaluation as both carcinogens and non-carcinogens.
3. Determine the daily intake for all compounds listed in Table 1 from incidental ingestion of soils by residents.
4. Determine the intake for all compounds listed in Table 1 from ingestion of water by on-site residents.
5. Determine the intake for all compounds listed in Table 1 from inhalation of contaminants by on-site resident child.
Air
Groundwater
Soil
Chemical
Max, mg/m3
Max, mg/L
Max, mg/kg
Chlorobenzene
8.09e-8
1.10e-2
6.40
Chloroform
3.12e-12
7.60e-3
4.10
1,2-Dichloroethane
2.40e-8
2.00e-3
2.2
BEHP
8.29e-7
.010
2.30e2
Explanation / Answer
1.
4. Chlorobenzene - 2.00 E-02, Chloroform - 1.00 E-02, 1,2 Dichloroethane - not yet established, BEHP - 1.4 E-02
2. chlorobenze (Non carcinogenic) - 1.39, Chloroform (Carcinogeic, non carcinogenic) - 1.12, 1,2 Dichloroethane (non carcinogenic) - not yet established, BEHP (carcinogenic) - 2.00 E-02
air water soil chlorobenzene not above not above not above chloroform not above not above not above 1,2 dichloroethane not above not above not established BEHP not above above aboveRelated Questions
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