28.02.2013 Views

Handbook of Solvents - George Wypych - ChemTech - Ventech!

Handbook of Solvents - George Wypych - ChemTech - Ventech!

Handbook of Solvents - George Wypych - ChemTech - Ventech!

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

1268 Carlos M. Nu�ez<br />

ter or habitat quality. The Clean Air Act <strong>of</strong> 1990 in section 112(b) lists 188 HAPs, 9 some <strong>of</strong><br />

which are solvents (see Table 19.2), 10-14 for which sources are identified and regulated. The<br />

contents <strong>of</strong> Table 19.2 will be discussed in more detail later.<br />

Table 19.1. Major categories in the solvent utilization sector and their estimated VOC<br />

emissions 6<br />

Estimated Emissions, 1996<br />

Source category<br />

Quantity, tons<br />

distribution in solvent<br />

utilization sector, %<br />

Degreasing 661,000 11<br />

Graphic arts 389,000 6<br />

Dry cleaning 190,000 3<br />

Surface coating 2,881,000 46<br />

Other industrial and non-industrial processes 2,153,000 34<br />

Total emissions 6,274,000 100<br />

Table 19.2. Classification <strong>of</strong> solvents by their codes, exposure limits, and<br />

environmental effects<br />

CAS No. Chemical name EPA Code 10<br />

50-00-0 Formaldehyde<br />

K009; K010; K040;<br />

K156; K157<br />

� Permissible Exposure<br />

Limits (PEL) 13 � TLV 14<br />

ppmv mg/m 3<br />

see 29 CFR<br />

1910.1048<br />

ppmv<br />

50-21-5 Lactic acid ✓<br />

50-70-4 Sorbitol ✓<br />

56-23-5 Carbon tetrachloride<br />

F001; F024; F025;<br />

K016; K019; K020;<br />

K021; K073; K116;<br />

K150; K151; K157;<br />

U211; D019<br />

Environmental<br />

Effect<br />

O T D G<br />

✓ ✓<br />

(2) 5 ✓ ✓ ✓ ✓<br />

56-38-2 Parathion P089 (S) 0.1 0.1 mg/m 3 ✓ ✓<br />

56-81-5 Glycerine 10 mg/m 3 ✓<br />

56-93-9<br />

Benzyltrimethylammonium<br />

chloride<br />

57-14-7 1,1-Dimethyl hydrazine<br />

K017; K108; K109;<br />

K110; U098<br />

(S) 0.5 (S) 1 ✓ ✓<br />

57-55-6 Propylene glycol ✓<br />

57-57-8 β-Propiolactone<br />

see 29 CFR<br />

1910.1013<br />

✓<br />

0.5 ✓ ✓<br />

60-29-7 Ethyl ether U117 400 1200 ✓

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!