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You are here: EPA Home » DfE » Draft Cleaner Technologies Substitutes Assessment (CTSA): Screen Reclamation - Chapter 2

Draft Cleaner Technologies Substitutes Assessment (CTSA): Screen Reclamation - Chapter 2

EPA 744R-94-005a
September 1994

Screen Reclamation Chemicals


Chapter 2, in which the characteristics of individual chemicals are detailed, is intended for use as a reference section. The specific information concerning each chemical was developed to support the risk assessment of screen reclamation products. Such information includes physical/chemical properties, industrial synthesis, aquatic toxicity, environmental fate, and a hazard summary. Tables II-4 through II-6 detail aquatic toxicity and hazard summary data for the chemicals in the screen reclamation use cluster. The preface to these exhibits explains the technical language and abbreviations used throughout the exhibits.

The regulatory status of a chemical was also provided as a ready reference; Table II-3 lists those chemicals used in screen reclamation which trigger federal environmental regulations. In addition, market profile information was developed to assess the overall production of the chemical, and its use in screen reclamation. Originally, if it was determined that more than 5 percent of the U.S. production volume of a chemical was used in screen reclamation, an analysis of the bulk chemical production, including occupational and population exposure assessments, would be undertaken. However, due to the lack of information on the quantity of specific chemicals used in screen reclamation, the latter analysis was not developed for any one chemical. Instead, economists at EPA developed a methodology for estimating the quantity of specific chemicals used in screen reclamation; this methodology is outlined in Chapter 3.

The chemicals that are discussed in this chapter comprise the screen reclamation use cluster; Table II-1 lists all of the chemicals in the screen reclamation use cluster, as well as their particular function in screen reclamation. Table II-1 also provides the page number on which information about a specific chemical can be found. Table II-2 is a generic categorization of some of the screen reclamation chemicals that was developed to protect the proprietary nature of the alternative screen reclamation products submitted by manufacturers. In Chapters 4 and 5, specific chemicals in ink removers, emulsion removers and haze removers are occasionally not identified by name, but by a generic category. For example, the product category "propylene glycol series ethers" might refer to the presence of tripropylene glycol methyl ether, propylene glycol methyl ether and methoxypropanol acetate. Although this categorization was developed to protect proprietary formulations, the risk assessment conducted for each type of screen reclamation product details the hazard and risk associated with only those chemicals that occur in the actual product formulation.

Chapter II: Screen Reclamation Chemicals [685 K PDF]

Introduction
Categorization of Screen Reclamation Chemicals
Information on Individual Printing Chemicals
Acetone
Alcohols, C8-C10, Ethoxylated
Alcohols, C12-C14, ethoxylated
Benzyl Alcohol
2-Butoxyethanol
Butyl Acetate
Butyrolactone
Cyclohexanol
Cyclohexanone
Diacetone Alcohol
Dichloromethane
Diethyl Adipate
Diethyl Glutarate
Diethylene Glycol
Diethylene Glycol Monobutyl Ether
Diethylene Glycol Butyl Ether Acetate
Diisopropyl Adipate
Dimethyl Adipate
Dimethyl Glutarate
Dimethyl Succinate
Dipropylene Glycol Methyl Ether
Dipropylene Glycol Methyl Ether Acetate
Dodecyl Benzene Sulfonic Acid, Triethanol Amine Salt
Ethyl Acetate
Ethyl Lactate
Ethyl Oleate
Ethoxylated Castor Oil
Ethoxylated Nonylphenol
Ethoxypropanol
Ethoxypropyl Acetate
Furfuryl Alcohol
Isobutyl Isobutyrate
Isobutyl Oleate
Isopropanol
d-Limonene
Methanol
Methoxypropanol Acetate
Methyl Ethyl Ketone
Methyl Lactate
Mineral Spirits (Naphtha, Heavy Straight-run)
Mineral Spirits (Distillates, Hydrotreated Light)
N-Methylpyrrolidone
2-Octadecanamine, N,N-dimethyl-, N-oxide
Periodic Acid
Phosphoric Acid, Mixed Ester with Isopropanol and Ethoxylated Tridecanol
Potassium Hydroxide
Propylene Carbonate
Propylene Glycol
Propylene Glycol Methyl Ether
Propylene Glycol Methyl Ether Acetate
Silica
Silica, Fumed (amorphous, crystalline-free)
Sodium Bisulfate
Sodium Hexametaphosphate
Sodium Hydroxide
Sodium Hypochlorite
Sodium Lauryl Sulfate
Sodium Metasilicate
Sodium Periodate
Sodium Salt, Dodecyl Benzene Sulfonic Acid
Solvent Naphtha, Petroleum, Light Aliphatic (VM&P Naptha)
Solvent Naphtha, Petroleum, Light Aromatic
Solvent Naphtha, Petroleum, Heavy Aromatic (Aromatic 150)
Tall Oil, Special
Terpineols
Tetrahydrofurfuryl Alcohol
Toluene
1,1,1-Trichloroethane
1,2,4-Trimethyl Benzene
Tripropylene Glycol Methyl Ether
Trisodium Phosphate
Xylene
Federal Environmental Regulations that Affect Screen Reclamation Chemicals

CWA
CAA
CERCLA
SARA 313
RCRA

Summary of the Environmental Hazard Assessment for the Screen Reclamation Chemicals

Chemicals
Methodology
Environmental Hazard Ranking
Results

Summary of Human Hazard Information for Screen Reclamation Chemicals

Explanation of Table II-6


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