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Handbook of Solvents - George Wypych - ChemTech - Ventech!

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1046 <strong>George</strong> <strong>Wypych</strong><br />

Table 14.32.1. Reported solvent releases from all industries in 1995 [Data from EPA<br />

Office <strong>of</strong> Compliance Sector Notebooks]<br />

Solvent Amount, ton/year Solvent Amount, ton/year<br />

acetone 870 2-ethoxyethanol 19<br />

allyl alcohol 60 ethylbenzene 3,810<br />

benzene 3,378 ethylene glycol 8,122<br />

n-butyl alcohol 5,640 hexachloroethane 16<br />

sec-butyl alcohol 216 hexane 6,571<br />

tert-butyl alcohol 482 isopropyl alcohol 205<br />

carbon disulfide 33,085 methanol 93,965<br />

carbon tetrachloride 30 2-methoxyethanol 23<br />

chlorobenzene 181 methyl ethyl ketone 23,315<br />

chlor<strong>of</strong>orm 458 methyl isobutyl ketone 6,876<br />

chloromethane 310 N-methyl-2-pyrrolidone 1,111<br />

cresol 800 methyl tert-butyl ether 1,477<br />

m-cresol 320 pyridine 187<br />

o-cresol 270 tetrachloroethylene 1,692<br />

p-cresol 162 toluene 41,015<br />

cyclohexane 3,001 1,2,4-trichlorobenzene 1,245<br />

cyclohexanone 303 1,1,1-trichloroethane 8,631<br />

cyclohexanol 1,100 trichloroethylene 6,611<br />

1,2-dichlorobenzene 15 trichlor<strong>of</strong>luoromethane 84<br />

1,4-dichlorobenzene 15 1,2,4-trimethylbenzene 2,308<br />

1,2-dichloroethane 222 xylene 26,544<br />

dichloromethane 16,332 m-xylene 269<br />

N,N-dimethylformamide 447 o-xylene 82<br />

1,4-dioxane 33 p-xylene 1,660<br />

dustry, and the total release and transfer <strong>of</strong> solvents by each industry, respectively. The<br />

three highest entries in the tables (either amount, release, or transfer) are marked by bold<br />

(first), italic (second), or underlining (third).<br />

Methanol, ethylene glycol, toluene, xylene, and carbon disulfide occupy the highest<br />

places in Tables 14.32.1-14.32.3, followed by methyl ethyl ketone, dichloromethane,<br />

1,1,1-trichloroethane, tert-butyl alcohol, hexane, and methyl isobutyl ketone. These eleven<br />

solvents constitute 86% <strong>of</strong> all 550,738 tons <strong>of</strong> solvents released and transferred per year.<br />

Methanol alone constitutes over a quarter (27.1%) <strong>of</strong> the released and transferred solvents.

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