Docket Report 

September 30, 2010 

Owosso Graphic Arts (Owosso), Owosso, Michigan Delisting Petition 

RE: Risk Evaluation for Mismanagement in a Subtitle D Landfill 

The Environmental Protection Agency (EPA) used the Delisting Risk Assessment Software (DRAS) 

version 3 to evaluate Owosso's petitioned waste. EPA entered site-specific parameters into DRAS 

including maximum annual waste volume and maximum observed total concentrations of hazardous 

constituents in the waste. EPA usually incorporates separate leachate data from analysis of waste 

samples, however, in this case, EPA conservatively estimated leachate concentrations from total 

concentrations. EPA divided the totals concentrations by 20 to approximate the TCLP method (which 

includes a 20-fold dilution with an extraction fluid). This approach conservatively assumes that all of 

each metal or chemical in the waste will dissolve into the extraction fluid. EPA also entered Region 5 

specific target cancer and hazard levels (1x10 -6excess cancer risk for individual chemicals or metals, 

lx1 0-5excess aggregate cancer risk, hazard index of 1.0) into DRAS. The program output is attached. 

Please note that the Owosso analytical data for total concentrations was adjusted to a dry-weight basis for 

use in the DRAS software. 

The waste analysis conducted by Owosso indicated the presence of a waste constituent not pre-loaded in 

DRAS (n-methyl-2-pyrrolidone - NMP). EPA reviewed several sources, including EPA's Integrated Risk 

Information System (IRIS), for any indication of NMP-toxicity. California EPA has published Maximum 

Allowable Dose Levels (MADLs) for NMP from exposure via inhalation and dermal exposure. EPA 

added NMP to DRAS and researched physical, chemical, fate, and transport parameters needed by DRAS 

to conduct the analysis. The parameters used are summarized after this narrative. The concentration for 

NMP used in the DRAS was adjusted to dry weight using the minimum % solids reported for earlier 

samples of this waste submitted in support of the petition. The NMP concentration also includes 

tentatively identified compounds (TICs) that were similar to NMP in analytical retention time and mass 

spectra as these may be derivatives of NMP in the waste. 

The aggregate cancer risk and hazard index for the petitioned waste meet the criteria set by Region 5. 

The risk analysis estimated the total aggregate cancer risk from constituents detected in the waste to be 

4.12x10-6 , below EPA Region 5's target aggregate cancer risk of lx10 -5 . The risk analysis estimated 

individual constituent cancer risks generally well below EPA Region 5's target of lx10 -6with the single 

exception of arsenic (just over at 4.05x10 -6 ). The analysis estimated total aggregate hazard index (a sum 

of hazard quotients) from constituents detected in the waste to be 0.583, below EPA Region 5's target of 

1.0. 

Note that the final aggregate calculation does not agree with the final table Aggregate Risk and Hazard 

Quotient Results from DRAS version 3.0. To be conservative, the Agency ran DRAS 3.0 with all three 

types of chromium and arsenic from the DRAS database each at the maximum observed concentration. 

This was done in order to obtain the most conservative maximum allowable total and TCLP 

concentrations for these metals. We included only the species of arsenic or chromium resulting in the 

greatest cancer risk or hazard quotient in the final aggregate calculation. A spreadsheet showing the 

revised aggregate calculation is attached. 

,,,------,--e 

Todd D. Ramaly 

Environmental Scientist 
N-Methyl-2-Pyrrolidone 

CAS 872-50-4 

Reference Dose — Oral — (RfD0) — Alternative 1 0.53 (mg/kg•day) 

Based on dermal exposure, converted from California EPA MADL 

Reference Dose — Oral — (RfD0) — Alternative 2 0.044 (mg/kg.day) 

Route to route extrapolation converted from the Reference Dose — Inhalation (RfC) derived from 

California EPA MADL 

Reference Dose — Inhalation (RfC) [into DRAS as a Reference Concentration] 0.16 (mg/m 3 ) 

California EPA MADL 

Bioconcentration Factor (BCF) 3.162 (L/kg) (estimated from Kow) 

US EPA. 2010. Estimation Programs Interface SuiteTM for Microsoft® Windows, v 4.00. United States 

Environmental Protection Agency, Washington, DC, USA. 

Henry's Law Coefficient (H) 3.16 x 10.8(atm•m3/K°•mole) 

US EPA. 2010. Estimation Programs Interface SuiteTM for Microsoft® Windows, v 4.00. United States 

Environmental Protection Agency, Washington, DC, USA. 

Diffusion Coefficient in Water (D w) 1.627 x 10- (cm2/s) 

Estimated based on the method provided in the Delisting Technical Support Document (DTSD), 

Appendix 1A. 

Diffusion Coefficient in Air (DA) 8.87 x 10-2 (cm2/s) 

Estimated based on the method provided in the Delisting Technical Support Document (DTSD), 

Appendix 1 A. 

Solubility (SOL) 1.00 x 106(mg/kg) (from experimental data (Riddick, J.A., et al, 1986)) 

US EPA. 2010. Estimation Programs Interface SuiteTM for Microsoft® Windows, v 4.00. United States 

Environmental Protection Agency, Washington, DC, USA. 

Landfill Dilution Attenuation Factor (DAFLF) 15.1 

Corresponds to the most conservative DAF for all organic constituents. 

Time to Reach Steady State (T*) 0.919 (hours) 

US EPA. 2010. Estimation Programs Interface SuiteTM for Microsoft® Windows, v 4.00. United States 

Environmental Protection Agency, Washington, DC, USA. 
Skin Permeability Coefficient (Kpw) 2.43 x 10-4 (cm/hr) 

US EPA. 2010. Estimation Programs Interface SuiteTM for Microsoft® Windows, v 4.00. United States 

Environmental Protection Agency, Washington, DC, USA. 

Tau (T) 0.383 (hours) 

US EPA. 2010. Estimation Programs Interface SuiteTM for Microsoft® Windows, v 4.00. United States 

Environmental Protection Agency, Washington, DC, USA. 

Molecular Weight (MW) 99.13 (g/mole) 

US EPA. 2010. Estimation Programs Interface SuiteTM for Microsoft® Windows, v 4.00. United States 

Environmental Protection Agency, Washington, DC, USA. 

Vapor Pressure (VP) 4.54 x 10-4 (atm) (Converted from 0.345 mm Hg) 

US EPA. 2010. Estimation Programs Interface SuiteTM for Microsoft® Windows, v 4.00. United States 

Environmental Protection Agency, Washington, DC, USA. 

Surface Water [Suspended-Sediment] Partition Coefficient (KDsw) 0.349 (L/kg) 

Estimated from the K ocas described in the DTSD using a fraction of organic carbon in sediment of 0.075. 

Koc(4.651) estimated from the K 0 using KOCWINv2.00. US EPA. 2010. Estimation Programs 

Interface SuiteTM for Microsoft® Windows, v 4.00. United States Environmental Protection Agency, 

Washington, DC, USA. 

LogKow -0.38 (Sasaki, H., et al, 1998) 

US EPA. 2010. Estimation Programs Interface SuiteTM for Microsoft® Windows, v 4.00. United States 

Environmental Protection Agency, Washington, DC. USA. 
Attachment 1 

DRAS version 3.0 Run Output 

Owosso Graphic Arts 

September 30, 2010 
Site and WMU Information 

Delistinq Petition Number: 

DLFile Name: 

Owosso 

Petitioner's Name: 

Owosso Graphic Arts 

Address 1: 

151 N. Delaney 

Address 2: 

City, State: 

Owosso, 

Zip Code: 

48867 

Analysis Performed by: 

TDR 

Date of Analysis: 

Sep-30-2010 

Waste Description: 

wastewater treatment sludges from chemical etching 

Waste Code: 

F006 

WMU Type: 

Landfill 

Waste Volume (yd3): 

244 

Active Life (years): 

20 

Risk Factor: 

1.00E-06 

HO Factor: 

1.00E+00 
Select Chemicals of Concern to be Modeled (Steps 4 5 ) 

Chemical Name CAS Number TCLP 

Concentration 

(mg/L) 

TCLP 

Detection 

Limit 

Total 

Concentration 

(mg/kg) 

Total 

Detection 

Limit 

Maximum 

Contaminant 

Level (MCL) 

(mg/L) 

Carcinogenic Slope 

Factor- Oral (CSFo) 

(kg-day/mg) 

Carcinogenic Slope 

Factor - Inhalation 

(CSFi) (kg-clay/mg) 

Reference 

Dose - Oral 

(RFDo) 

(mg/kg-day) 

Bromomethane (Methyl 

bromide) 

74-83-9 1.90E-01 3.80E+00 0.00E+00 0.00E+00 0.00E+00 1.40E-03 

Trichloroethylene 

(Trichloroethylene 

79-01-6 5.50E-02 1.10E+00 5.00E-03 1.30E02 7.00E-03 3.00E-04 

Arsenic 7440-38-2 1.00E-01 2.00E+00 1.00E-02 1.50E+00 1.51E+01 3.00E-04 

Chromium 7440-47-4 1.80E+00 3.50E+01 1.00E01 0.00E+00 4.20E+01 3.00E-03 

Chromium (VI) (+6) 18540-29-9 1.80E+00 3.50E+01 1.00E-01 0:00E+00 2.94E+02 3.00E-03 

Arsenic (V) 17428-41-0 1.00E-01 2.00E+00 1.00E-02 1.50E+00 1 51E+01 3.00E-04 

Cyanide 57-12-5 1.00E+00 2.00E+01 2.00E-01 0.00E+00 0.00E+00 2.00E-02 

Nickel 7440-02-0 1.80E+00 3.50E+01 0.00E+00 0.00E+00 8.40E-01 2.00E-02 

Results for Analysis: Owosso 
Select Chemicals 

Reference 

Dose - 

Inhalation 

(RFC) (mg/m 3) 

of Concern to be Modeled (Steps 4 5 ) 

Bio- concentration 

Factor (BCF) (L/kg) 

Soil Saturation 

Level 

(SOILSAT) 

(mg/kg) 

Toxicity 

Characteristic 

Level (TC) (mg/L) 

Henry's Law 

Coefficient (H) 

(atm-m3/mol-K) 

Diffusion 

Coefficient in 

Water (Dw) 

(cm2/sec) 

Diffusion 

Coefficient in 

Air (Da) 

(cm2/sec) 

Solubility (SOL) 

(mg/L) 

Landfill Dilution 

Attenuation 

Factor (DAFLF) 

Surface Impoundment 

Dilution Attenuation 

Factor (DAFSI) 

5.00E03 4.72E+00 3.10E+03 0.00E+00 6.20E-03 1.21E05 7.28E-02 1.52E+04 4.19E+23 8.12E+05 

6.00E-01 4.07E+01 1.30E+03 5.00E-01 7.40E03 1.00E-05 4.27E-02 1.10E+03 1.55E+01 3 32E+00 

0.00E+00 1.14E+02 0.00E+00 5.00E+00 0.00E+00 1.24E05 1.07E01 0.00E+00 TCLP 

dependent 

TCLP dependent 

0.00E+00 1.90E-1-01 0.00E+00 5.00E+00 0.00E+00 1.58E-05 1.36E-01 0.00E+00 TCLP 

dependent 

TCLP dependent 

1.00E-04 1.90E+01 0.00E+00 5.00E+00 0.00E+00 1.58E-05 1.36E-01 0.00E+00 TCLP 

dependent 

TCLP dependent 

0.00E+00 1.14E+02 0.00E+00 5.00E+00 0.00E+00 1.24E-05 1.07E01 0.00E+00 TCLP 

dependent 

TCLP dependent 

7.00E-02 6.33E+02 0.00E+00 0.00E+00 0.00E+00 2.10E-05 5.48E01 0.00E+00 TCLP 

dependent 

TCLP dependent 

0.00E+00 7.80E+01 0.00E+00 0.00E+00 0.00E+00 1.46E05 1.26E01 0.00E+00 TCLP 

dependent 

TCLP dependent 

Results for Analysis: Owosso 
Select Chemicals of Concern to be Modeled (Steps 4 5) 

Bio- accumulation 

Factor (BAF) (Ukg) 

Time to reach 

steady state 

(T*) (hrs) 

Skin 

Permeability 

Coefficient 

(Kpw) (cm/hr) 

Tau (T) (hrs) Bunge 

Coefficient (B) 

(unitless) 

Organic/ 

Inorganic 

Chronic 

Ecological 

Threshhold 

(Aquatic TRV) 

(mg/L) 

Carcinogen/ 

Noncarcinogen 

Molecular 

Weight (MW) 

(gm/mol) 

Vapor Pressure 

(Vp) (atm) 

Surface Water 

Partition 

Coefficient 

(Kdsw) (L/kg) 

8.00E-01 3.50E-03 3.30E-01 1.50E-03 1.00E+00 0.00E+00 1.10E-01 Noncarcinogen 9.50E+01 2.16E+00 6.75E01 

2.10E-01 1.60E-01 8.70E02 5.10E-02 1.00E+00 1.00E+00 3.50E01 Carcinogen 1.31E+02 9.48E02 7.41E+00 

0.00E+00 1.00E-03 0.00E+00 0.00E+00 0.00E+00 0.00E+00 1.50E-01 Carcinogen 7.49E+01 0.00E+00 2.90E+01 

0.00E+00 1.00E-03 0.00E+00 0.00E+00 0.00E+00 0.00E+00 7.40E-02 Noncarcinogen 5.20E+01 0.00E+00 1.80E+06 

0.00E+00 2.00E-03 0.00E+00 0.00E+00 0.00E+00 0.00E+00 1.10E-02 Noncarcinogen 5.20E+01 0.00E+00 1.90E+01 

0.00E+00 1.00E-03 0.00E+00 0.00E+00 0.00E+00 0.00E+00 1.50E01 Carcinogen 7.49E+01 0.00E+00 2.90E+01 

0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 5.20E03 Noncarcinogen 2.60E+01 1.82E02 9.90E+00 

0.00E+00 1.00E-03 0.00E+00 0.00E+00 0.00E+00 0.00E+00 5.20E02 Noncarcinogen 5.87E+01 0.00E+00 6.50E+01 

Results for Analysis: Owosso 
Select Chemicals of Concern to be Modeled (Steps 4 5 ) 

LogKow 

1.19E+00 

2.42E+00 

0.00E+00 

0.00E+00 

0.00E+00 

0.00E+00 

-2.50E-01 

0.00E+00 

Results for Analysis: Owosso 
List of COCs with Altered Chemical Properties 

Modified 7 

Value 

[ Chemical Name CAS Number Parameter Modified Parameter Symbol Parameter Units Original Value 

Chlorobenzene 108-90-7 Oral Reference Dose RFDo mg/kg-day 0.02 0.044 

Chlorobenzene 108-90-7 Bioconcentration Factor BCF L/kg FW tissue 84.8 3.162 

Chlorobenzene 108-90-7 Toxicity Characteristic Level TC mg/L 100 

1 

Chlorobenzene 108-90-7 Diffusion Coefficient in Water Dw cm2/sec 0.00000949 0.00001627 

Chlorobenzene 108-90-7 Chemical Solubility SOL. mg/L 472 1000000 

Chlorobenzene 108-90-7 Skin Permeability Coefficient K w cm/hr 0.042 0.000243 

Chlorobenzene 108-90-7 Bunge Coefficient 0.072 

Chlorobenzene 108-90-7 Molecular Weight MW gfmole 113 99.13 

Chlorobenzene 108-90-7 Surface Water Partition Coefficient Kdsw 16.8 0.349 

Bromomethane (Methyl bromide) 74-83-9 1.19 

Trichloroethylene (Trichloroethylene 

1_1.2-1 

79-01-6 Surface Impoundment Dilution 

Attenuation Factor 

DAFSI L/mg 3.32 3.32 

Results for Analysis: Owosso 
List of COCs with Altered Chemical Properties 

Chemical Name CAS Number Parameter Modified Parameter Symbol Parameter Units Original Value Modified 

Value 

Trichloroethylene (Trichloroethylene 

1.1.2-1 

79-01-6 2.42 698210720572E 

.. - 

Arsenic 7440-38-2 Surface Impoundment Dilution 

Attenuation Factor 

DAFSI L/mg 7.7 

Chromium 7440-47-4 Surface Impoundment Dilution 

Attenuation Factor 

DAFSI L/mg 1530 

L 

Results for Analysis: Owosso 
Limiting Pathways 

Detection Limit Analysis - Toxicity of Petitioned Waste cannot be confirmed if Detection Limits fall 

below maximum allowable concentration 

Chemical Name CAS Number Maximum 

Allowable TCLP 

Concentration 

(mg/L) 

Maximum Allowable TCLP 

Pathway 

Maximum 

Allowable Total 

Concentration 

(mg/Kg) 

Maximum Allowable Total 

Pathway 

Bromomethane (Methyl bromide) 74-83-9 3.23E+23 GW Inhalation 1.72E+05 Air Volatile Inhalation 

Trichloroethylene (Trichloroethylene 

1,1,2-) 

79-01-6 2.27E+00 MCL 9.74E+05 Air Volatile Inhalation 

r. 

Arsenic 7440-38-2 2.48E02 GW Ingestion 4.57E+03 Fish Ingestion 

Chromium 7440-47-4 5.26E+01 MCL 1.81E+04 Air Particulate Inhalation 

'Chromium (VI) (+6) 18540-29-9 526E+01 MCL 2.58E+03 Air Particulate Inhalation 

Arsenic (V) 17428-41-0 5.98E02 GW Ingestion 4.57E+03 Fish Ingestion 

Cyanide 57-12-5 9.04E+01 MCL 9.88E+06 Fish Ingestion 

Results for Analysis: Owosso 
Limiting Pathways 

Detection Limit Analysis - Toxicity of Petitioned 

below maximum allowable 

Waste cannot be confirmed if Detection Limits fall 

concentration 

Chemical Name CAS Number Maximum 

Allowable TCLP 

Concentration 

(mg/L) 

Maximum Allowable TCLP 

Pathway 

Maximum 

Allowable Total 

Concentration 

(mg/Kg) 

Maximum Allowable Total 

Pathway 

Nickel 7440-02-0 3.93E+02 GW Ingestion 9.04E+05 Air Particulate Inhalation 

Results for Analysis: Owosso 
Groundwater Pathway Hazard Quotient 

Petitioned Waste Non-carcinogenic Hazard Quotient - Groundwater Exposure 

_ .. 

Chemical Name Waste Stream 

TCLP 

Concentration 

(mg/L) 

Dilution 

Attenuation 

Factor (DAF) 

Waste Volume 

Adjusted OAF 

Groundwater 

Ingestion Pathway 

Groundwater 

Inhalation Pathway 

Groundwater 

Dermal Absorption 

Pathway - Adult 

Groundwater 

Dermal Absorption 

Pathway - Child 

Bromomethane (Methyl bromide) 1.90E01 4.19E+23 1.23E+25 2.94E25 5.89E-25 8.17E-27 1.78E-26 

Trichloroethylene (Trichloroethylene 1,1,2-) 5.50E02 .55E+01 4.55E+02 1.07E02 3.50E05 7.22E03 1 62E02 

Arsenic 1.00E-01 4.29E+01 1.26E+03 1.67E02 4.18E05 1.04E04 

--- 

Chromium 1.80E+00 4.50E+02 1.32E+04 2.25E02 5.62E05 1.41E-04 

Chromium (VI) (+6) 1.80E+00 4.50E+02 1.32E+04 2.25E02 1.12E-04 2.81E-04 

Arsenic (V) 1.00E-01 1.23E+03 3.61E+04 7.22E-03 1.80E05 4.52E-05 

Cyanide 1.00E+00 1.54E+01 4.52E+02 2.95E-03 

Nickel 1.80E+00 4.28E+01 1.26E+03 4.51E-03 1.13E-05 2.82E05 

All Waste Constituents ___ 6.09E-01 5.70E04 8.77E-03 2.00E-02 

Results for Analysis: Owosso 
Groundwater Pathway Hazard Quotient 

Petitioned Waste 1 

Groundwater Pathway 

Aggregate Hazard 

Quotient 

9.01E-25 

2.69E-02 

1.68E-02 

2.26E-02 

2.28E-02 

7.26E-03 

2.95E-03 

4.54E-03 

6.30E-01 

Results for Analysis: Owosso 
Groundwater Pathway Risk 

Petitioned Waste Carcinogenic Risk - Groundwater Exposure Pathways 

Chemical Name Dilution 

Attenuation 

Factor (DAF) 

Waste Volume 

Adjusted DAF 

Waste Stream TCLP 

Concentration (mg/L) 

Groundwater 

Ingestion Pathway 

Groundwater 

Inhalation Pathway 

Groundwater 

Dermal Absorption 

Pathway - Adult 

Groundwater 

Dermal Absorption 

Pathway - Child 

Groundwater 

Pathway Aggregate 

Risk 

Bromomethane (Methyl bromide) 1.90E-01 

--- --- -- --- --- --- 

Trichloroethylene (Trichloroethylene 

1 1 2-1 

1.55E+01 4.55E+02 5. 50E-02 2.15E-08 2.15E-08 1.13E-08 5.05E-09 5.43E-08 

Arsenic 4.29E+01 1.26E+03 1.00E-01 4.04E-06 7.86E-09 3.94E-09 4.05E-06 

Chromium 1.80E+00 --- 

Chromium (VI) (+6) 1.80E+00 

Arsenic (V) 1.23E+03 3.61E+04 1.00E-01 1.67E-06 3.26E-09 1.63E-09 1.68E-06 

Cyanide 1.00E+00 --- 

Nickel 1.80E+00 

___ ___ 

--- --- --- --- 

ALL Waste Constituents 9.77E-06 2.15E-08 3.03E-08 1.45E-08 9.82E-06 

Results for Analysis: Owosso 
Maximum Allowable TCLP Concentrations - Groundwater Exposure Pathways 

Chemical Name 

Risk Factor = 1.00E-06 

HQ Factor = 1.00E+00 

= Detection Limit 

Actual Waste 

Stream TCLP 

Concentration 

(mg/L) 

Limiting 

Maximum 

Allowable 

Receptor 

Concentration 

(mg/L) 

Dilution 

Attenuation 

Factor (DAF) 

Waste Volume 

Adjusted DAF 

Delisting Level 

(Waste) (mg/L - 

Leachate ) 

Max. Allowable Receptor 

Concentration Based on 

Groundwater Ingestion 

Max. Allowable Receptor 

Concentration Based on 

Groundwater Inhalation 

7.32E+02 

Chromium (III) (Chromic 

Inn 1 

1.80E+00 1.00E01 1.90E+01 5.59E+02 5.56E- 5 63E+01 

5.98E-02 --- 

Chromium (VI) (+6) 1.80E+00 1.00E-01 1.35E+01 5.44E+02 5.26E+01 1.13E-01 

2.48E-02 --- 

Cyanide 1.00E+00 2.00E-01 1.54E+01 4 52E+02 9.04E+01 7.51E-01 

1.55E+01 --- 

Nickel 1 80E+00 7.51E01 1.77E+01 5.19E+02 3.93E+02 7.51E-01 

3.14E+00 --- 

Arsenic 1.00E-01 4.87E05 4.20E+01 1.23E+03 248E-02 4.87E05 

2.68E+00 --- 

Chromium 1.80E+00 1.00E-01 1.85E+01 5.44E+02 5.26E+01 1.13E01 

6.90E+02 --- 

Zinc 7.00E+02 1.13E+01 1 79E+01 5.26E+02 5.94E+03 1.13E+01 

3.23E+23 

Chloromethane (Methyl 

chloride) 

9.50E02 3.93E-01 1 54E+01 4.52E+02 1.78E+02 --- 3.93E01 

2.27E+00 

Results for Analysis: Owosso 
Maximum Allowable TCLP Concentrations - Groundwater Exposure Pathways 

Max. Allowable Receptor 

Concentration Based on 

Adult Groundwater Dermal 

Absorption 

Max Allowable 

Concentration Based on 

Child Groundwater Dermal 

Absorption 

Max Allowable 

Concentration 

Based on MCL 

(mg/L) 

2.25E+04 9.00E+03 1.00E-01 

2.25E+01 9.00E+00 1.00E-01 

--- 2.00E-01 

3.00E+02 1.20E+02 

2.50E-02 5.00E-02 1.00E-02 

4.51 E+01 1.80E+01 1.00E-01 

4 51E+03 1.80E+03 

--- 

Results for Analysis: Owosso 
Surface Pathway Hazard Quotient 

Petitioned Waste Non-carcinogenic Hazard Quotient - Surface Water Exposure Pathways 

Chemical Name Waste Stream 

Total 

Concentration 

(mg/Kg) 

Surface Water 

Ingestion 

Pathway 

Air Particulate 

Inhalation 

Pathway 

Fish Ingestion 

Pathway 

Soil Ingestion 

Pathway 

Air Volatile 

Inhalation 

Pathway 

Surface Pathway 

Aggregate 

Hazard Quotient 

Bromomethane (Methyl bromide) 3.80E+00 8.43E-09 7.03E-09 4.10E-08 4.76E08 2.21E05 2 22E05 

--- --- --- 

Trichloroethylene (Trichloroethylene 

1 -1 9-1 

1.10E+00 1 14E08 1.70E11 4.77E07 6.42E08 1.89E09 5.54E-07 

--- 

Arsenic 2.00E+00 2.07E-08 2.43E-06 1.17E-07 2.57E06 

--- 

Chromium 3.50E+01 3.62E08 3.73E08 2.04E07 2.78E-07 

--- 

Chromium (VI) (+6) 3 50E+01 3.62E08 3.24E-06 7.09E-07 2.04E07 4.19E-06 

--- --- 

Arsenic (V) 2.00E+00 2.07E08 2.43E06 1.17E-07 2.57E-06 

--- 

Cyanide 2.00E+01 3.10E09 2.64E-09 2.02E-06 1.75E08 1.44E-07 2.19E-06 

--- --- --- --- 

Nickel 3.50E+01 5.43E-09 4.36E07 3.07E-08 4.72E07 

1,40E+04 --- - 

All Waste Constituents 7.76E07 3.25E-06 4.13E04 4.38E06 2.37E-05 4.45E04 

Results for Analysis: Owosso 
Surface Pathway Risk 

Petitioned Waste Carcinogenic Risk - Surface Water Exposure Pathways 

Chemical Name Waste Stream 

Total 

Concentration 

(mg/Kg) 

Surface Water 

Ingestion 

Pathway 

Air Particulate 

Inhalation 

Pathway 

Fish Ingestion 

Pathway 

Soil Ingestion 

Pathway 

Air Volatile 

Inhalation 

Pathway 

Surface Pathway 

Aggregate 

Cancer Risk 

--- --- ___ ___ --- 

Bromomethane (Methyl bromide) 3.80E+00 

--- --- --- --- --- --- 

Trichloroethylene (Trichloroethylene 

1.1.2-1 

1.10E+00 2.28E-14 1.01E-14 7.44E13 2.83E-14 1.13E-12 1.93E12 

--- --- --- --- --- 

Arsenic 2.00E+00 4.78E12 3.96E-11 4.37E10 5.94E-12 4.88E10 

--- --- --- --- 

Chromium 3.50E+01 1.93E-09 1.93E-09 

--- --- --- --- --- 

Chromium (VI) (+6) 3.50E+01 1.35E08 --- 1.35E08 

Arsenic (V) 2.00E+00 4.78E12 3.96E-11 4.37E10 5.94E12 4.88E10 

--- --- --- --- 

___ ___ 

Cyanide 2.00E+01 

--- --- --- --- 

__- --- 

Nickel 3.50E+01 3.87E-11 3.87E-11 

1.40E+04 --- --- --- --- --- --- 

All Waste Constituents 1.44E11 1.57E-08 1.31E-09 1.78E11 1.13E12 1.70E-08 

Results for Analysis: Owosso 
Maximum Allowable Total Concentrations - Surface Exposure Pathways 

Maximum Allowable Total Concentration (mg/Kg) 

Chemical Name 

Risk Factor = 1.00E06 

HQ Factor =1.00E+00 

= Detection Limit 

Waste Stream Total 

Concentration 

(mg/Kg) 

Maximum 

Allowable Total 

Concentration 

(mg/kg) 

Delisting 

Level 

(waste) 

(mg/L) 

Surface Water 

In gestion 

Air Particulate 

Inhalation 

Fish 

Ingestion 

Soil 

Ingestion 

Air Volatile 

Inhalation 

2.51E+09 * 

1.72E+05 

1.25E+06 * --- ___ 

9. 74E+05 

3.13E+06 --- -- 

4.57E+0 

1.21E+05 --- 

1. E+04 

8.56E+10 * --- --- 

2.58E+03 

4.57E+03 -- 

4.57E+03 --- 

1.76E+07 * --- 

9.88E+06 * 

2.07E+07 * --- -- 

9. E+05 -- 

4.56E+07 --- --- 

Results for Analysis: Owosso 
Aggregate Risk and Hazard Quotient Results 

r Petitioned Waste Aggregate Non-carcinogenic Risk 

Hazard 

Petitioned Waste Aggregate Carcinogenic 

Chemical Name CAS Number Aggregate HIGroundwater 

Pathways 

Aggregate HISurface Pathways Total Aggregate 

Hazard Index 

Aggregate RiskGroundwater 

Pathways 

Aggregate RiskSurface 

Pathways 

Total 

Aggregate 

Risk 

--- --- --- 

Bromomethane (Methyl bromide) 74-83-9 9.01E-25 2.22E-05 2.22E-05 

- - - 

Trichloroethylene (Trichloroethylene 

1,1,2-) 

79-01-6 2.69E-02 5.54E-07 2.69E02 5.43E08 1.93E12 5.43E08 

Arsenic 7440-38-2 1.68E02 2.57E06 1.68E02 4.05E06 4.88E10 4.05E06 

Chromium 7440-47-4 2.26E-02 2.78E07 2.26E02 1.93E-09 1.93E09 

Chromium (VI) (+6) 18540-29-9 2.28E02 4.19E-06 2.28E-02 1.35E08 1.35E-08 

Arsenic (V) 17428-41-0 7.26E-03 2.57E-06 7.27E03 1.68E-06 4.88E-10 1.68E06 

Cyanide 57-12-5 2.95E03 2.19E-06 2.95E03 

Results for Analysis: Owosso 
Aggregate Risk and Hazard Quotient Results 

Petitioned Waste Aggregate Non-carcinogenic 

Hazard 

Petitioned Waste Aggregate Carcinogenic Risk 

Chemical Name CAS Number Aggregate HIGroundwater 

Pathways 

Aggregate HISurface Pathways Total Aggregate 

Hazard Index 

Aggregate RiskGroundwater 

Pathways 

Aggregate RiskSurface 

Pathways 

Total 

Aggregate 

Risk 

Nickel 7440-02-0 4.54E-03 4.72E-07 4.54E-03 3.87E-11 3.87E-11 

• --- ___ --- 

All Waste Constituents Excluding 

Non-detect Risk 

6.30E-01 4.45E-04 6.30E-01 9.82E-06 1.70E-08 9.84E-06 

L 

6.30E-01 4.45E-04 6.30E-01 9.82E-06 1.70E-08 9.84E-06 

Results for Analysis: Owosso 
Pathways Exceeding the Delisting Limits 

Exceeding Pathways Analysis - Chemicals that exceed the delisting level listed by exceeding pathway 

Chemical Name CAS Number Actual TCLP 

Concentration 

(mg/L) 

Limiting TCLP 

Concentration 

(mg/L) 

Limiting TCLP 

Pathway 

Actual Total 

Concentration 

(mg/kg) 

Limiting Total 

Concentration 

(mg/Kg) 

Limiting Total 

Pathway 

Bromomethane (Methyl 

bromide) 

74-83-9 

Trichloroethylene 

(Trichloroethylene 1,1.2-) 

79-01-6 

Arsenic GW Ingestion 

Chromium 7440-47-4 

Chromium (VI) (+6) 18540-29-9 

Arsenic (V) 17428-41-0 1.00E-01 5.98E-02 GW Ingestion --- 

Cyanide 57-12-5 

Nickel 7440-02-0 --- 

Results for Analysis: Owosso 
Attachment 2 

Aggregate Risk and Hazard Quotient Results 

Revised to Correct for Summing Calculation 

September 30, 2010 
Aggregate Risk and Hazard Quotient Results Owosso Graphic Arts Page 1 of 1 

9/30/2010 

Revised to Correct for Summing Calculation: 

1. Summing algorithm not affected here since there were no non-detected values 

2. Correction eliminates multiple entries for individual metals (i.e. Cr, Cr(III), Cr(VI)) by choosing the most conservative. 

Waste Constituent Name CAS-number 

Aggregate HIGroundwater 

Pathways 

Aggregate HISurface 

Pathways 

Total 

Aggregate 

Hazard Index 

Aggregate Cancer 

Risk-Groundwater 

Pathways 

Aggregate 

Cancer RiskSurface 

Pathways 

Total 

Aggregate 

Cancer Risk 

n-methyl, 2-pyrrolidone (NMP) - labeled in 

DRAS as "chlorobenzene" 872-50-4 1.08E-03 1.27E-08 1.08E-03 

bromomethane 74-83-9 9.01E-25 2.22E-05 2.22E-05 

chloromethane 74-87-3 5.34E-04 1.51E-06 5.36E-04 

trichloroethylene 79-01-6 2.69E-02 5.54E-07 2.69E-02 5.43E-08 1.93E-12 5.43E-08 

antimony 7440-36-0 3.07E-01 1.74E-05 3.07E-01 

arsenic 7440-38-2 1.68E-02 2.57E-06 1.68E-02 4.05E-06 4.88E-10 4.05E-06 

cadmium 7440-43-9 1.91E-02 2.22E-05 1.91E-02 3.15E-11 3.15E-11 

chromium - modeled as Cr (VI) 18540-29-9 2.28E-02 4.19E-06 2.28E-02 1.35E-08 1.35E-08 

copper 7440-50-8 6.07E-02 5.84E-05 6.08E-02 

cyanide 57-12-5 2.95E-03 2.19E-06 2.95E-03 

lead 7439-92.1 

nickel 7440-02-0 4.54E-03 4.72E-07 4.54E-03 3.87E-11 3.87E-11 

zinc 7440-66-6 1.20E-01 3.08E-04 1.20E-01 

All Waste Constituents Excluding ND 5.82E-01 4.40E-04 5.83E-01 4.10E-06 1.41E-08 4.12E-06 

All Waste Constituents Including 1/2 ND 5.82E-01 4.40E-04 5.83E-01 4.10E-06 1.41E-08 4.12E-06