APR 7mt 

Changes to Threshold Planning Quantities between Proposed Rule and 

Final Rule 

The following table shows the name, CAS number, proposed 

threshold planning quantity, revised threshold planning quantity and 

the reason for changing it. As noted on the table, changes were made 

because of new toxicological data or new threshold planning quantity 

categories. 
Aeason for Chanae 

814-686 llerylyl Chlpridr 

1327-53-3 Chwrrws Chi& 

6-50 ClzirwhoeSIPthyI 

98- Benzmic kid 

140-29-4 Bentyl Cyanide 

53447-6 Bis(ChloKII*thyll Ketm 

1563-664 Carhofuran 

999-815 Chlomwuat Chloride 

%'a-1 ChloKlrethyl Ether 

21-23-9 Chlorthiohos 

10025-73-7 Chrolic Chloride 

lo2iH4-i Cobalt Carhyl 

64-&-8 Dlchicine 

Bi4-4+3 Diethy1 Chlotwmdmte 

20430-73-5 Di~onin 

570-5 DiRthyldiehlmi lane 

99-98-9 Direthyl-Whenylewdiamine 

534-52-1 Dinitroerasol 

@-&6 PiDhacim 

31642-7 Emtinr, Ilihydroehlorirk 

! 15-29-7 Endoaul f an 

538-07-8 Ethylbis(2-Chlorwtnyl )Ibiw 

371624 Ethylene Flwmhydrin 

m4-%4 Fenamiphos 

lf 5-s2 Femulfothim 

77@-41-4 Fluorine 

640-157 Fluorrracetaide 

144-49-0 Fluomcetic kid 

359-06-8 Fiuorvawty l Chloride 

107-16-4 Farrrraldenvde Cyanohydrin 

23422-53-3 hm?ta~te vydmlorice 

7-47-4 4esaci7lmyclowrrtadiene 

778347-5 ~vemoen Seienlce 

78421) Iwuutyroni tri le 

541-25-3 lewisite 

f2!+!3-3 Fanqanese. Trrcarwnyl MnvIcyciownt adipnyl 

51-752 Whiowtnarlne 

125-98-7 rsesoanrlon~triie 

30674-40-7 Yet$amyigriosyethyi Isocyanate 

16m-77-3 

79-??-I met hvi Chlorofrnte 

79-94-4 Metnvi Viy! Wow 

7579-6 retrrv i~r~cttlorosi lane 

6923-Z-4 mrp t cronw 

2762-46-4 ?uscimoi 

5Cf-60-2 gustad 6as 

:346b35-3 hzcnei iarbony i 

62-75-9 litrmodiwtnvlarelne 

0 Ilruamhodlum Comoler i%%-d&147) 

2497476 [lnraisu!faton 

1910-42-5 aaraauat 

a74-50-2 Paraauat methosulfate 

676-irBd Renyl Dicnloroarr~m 

2W7-1941 henylsilatrane 

298ei *orate 

7544-5 hosuene 

100 Used m LC50 data for 1-1 of mneern. 

100 Used wwr LD50 data for level of am. 

10 fkiuned k ne* 10 wund categwy. 

LO Iksigm to n#r 10 mum category. 

500 W m LC50 data far lewl d eoneern. 

10 ksi~ned to rm 10 murd category. 

10 Fksi?d to mu tO wund catepory. 

100 Used mm U)50 data for level of cmm. 

100 lksd newer LC50 data for 1meI of epncem. 

500 Used ngrrr LDM) data for lewl of mmm. 

I Rssipwd to nm 1 wd category. 

10 Both LC50 Btr and ma 10 wund category. 

10 New U110 data ami rm 10 wund category, 

500 W ~EW tD50 data for Iml of nmwn. 

10 Used mwer 1D50 data for lwel of coneern. 

500 Used nemr LCSQ data fw level of eoneern. 

10 Assipd to new 10 mnd catetjory. 

10 ksipd to new 10 wund catqary. 

10 ksipd to naw 10 mnd cat,. 

1 Mew LD50 data ad m 1 wund cat-. 

10 ksignad to new 10 wurd category. 

500 Used llewer LC50 data fw 1-1 of m. 

10 Nm iLS0 data ard new 10 pound crtecov. 

10 Cksiqned to nm 10 wund category. 

S00 lkea n##r U)50 data for lewl of r~newn. 

500 Emor in assigning it in moosed rule. 

100 No ?asis for raauigmt in nrowsed rule. 

10 Cksl;md to n# 10 mud catwoy. - 

10 Rssiged to new 10 wund category. 

:,W Urrdated LCIo data. 

500 &ea nm LD50 data for lwei of concwn. 

100 iiseo n#rer LEO data for level of coneem. 

!O Rssrgned to nm 10 pound cateyory. 

!, &M llisea newer LEO aata for !we1 of mmn. 

10 hW tC50 data a& rn 10 wund category. 

:00 ii& newer data for ievel of concern. 

:O Flssllrnw to nw 10 zound category. 

505 Used mwr LEO Eats for lwei of comerm, 

100 2m newer LC50 data for ievei of concerb. 

cist?d rme~ a0 data for level a? conc~n. 

500 tisw nener 250 data 'w lwei of cumrr?. 

!O Ckslqned to ~w iO murd cafeewv. 

500 csW rimer LC50 cata for ievel of comer-, 

:O ksicnea to new 10 wund category. 

iC, 000 qew cata snorrs it coes riot wet criteria. 

50a lJsed nener LC% cata fm ievei 3F comer*. 

1 Osslg~~~ FO necl 1 nourm cateec'w, 

:, W Lsed newer ~C50 data for level of mncm. 

10 Cl551:ned to nerr :O mnd caterorv. 

500 'Jse~ rarer tIKO data for iwgl of concan. 

10 Rssigned to hew 10 murd category. 

10 Rssignecr to new 10 mud catenary. 

S00 &ed newer LD50 data far lwel of cm. 

!00 &en newff LD50 aata for lwel of eoneern. 

I0 Rsslged to necr 10 wund categw. 

10 Rssiqm to m fO mnd category. 
Ream for Chan~e 

7Z-116 P~os& 

7723-14-0 Phosd~wus 

1314-56-3 %&orus Rntwridc 

831-374 Proreearb 

106-5-7 huruyl mide 

W-24-5 bidins, mim- 

-1 Pyridnil 

107-41-8 Sarin 

=HZ-8 Miw flzide Ma(M31) 

€2-74-8 Sodium Fluorwcatate 

10102-144 Wiur Selenite 

77-016 Tam 

7783-80-4 hlluriur Haraflwide 

1307 1-79-9 Twbufffi 

115-21-9 Triehlorwthylsi lane 

27-96-0 friehlmte 

98-13-5 Trichlm&trmylsilane 

62k11-3 Tri#thylolmmnr Mite 

S77-1 Tris(24hlcm!thyl~Rine 

12W6d krfarin Sodiw 

10 Rssigned to rm 10 wund category. 

1# Lkd nemr UY50 data for lwel of coneern. 

10 Assi~ned to nen 10 mnd catagw. 

500 newer Urn) data fm lwel of corn. 

10 Rssigd to mw 10 mnd category. 

500 Uwd newar LD50 data for lwei of eoncem. 

100 Used newer LDS data for lewl of cowern. 

10 New LC% dda and m 10 mud cateqq. 

S00 I)wsm#~gewrtechrcvi~ 

10 ksignd to nm 10 wund catqwy. 

100 Used n#ar U)50 data f~ lewl of mmern. 

10 LCSO data rind nm 10 mud catqory. 

100 Erm in assig& in moored rule. 

103 Used mmr ta50 data fw lwel of roncffn. 

500 Used rimer LCSO data for levcl of mmm. 

5Ol Error in assiqlrent in aowsed wle. 

500 Used rn LC50 data for level bf conearn. 

100 UsPd mmr U)50 data for Iml of mcwn. 

100 U#d nemr LC50 data for 1m1 of coneem. 

100 Usedn#lrerLOSOcktaforlewlofmmmi.