INI TI AL REVI EW ENGI NEERI NG REPORT 

PMN : 14 - 0 4 7 8 

Focus Ready Draft 4/ 2 4/2014 

ENGI NEER : Aus tin \ AH 

PV (kg/yr) : II 

SUBMI TTER : Chemt ura Corpor ati o n 

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USE : Prepol ymer f or thermoplasti c pol yur ethanes . I s ocyanat e FGEW = 684 . 

OTHER USES : Analogs are used as 

prepolymers for indu ng belts , whee l s , 

and s ma ll r o lle r s . Ana l og 11111111 i s u sed as a p r epolymer for 

1 seal s , gaskets, and small machine par ts. Analog i s u s ed a s a rubber elastomer . 

MSDS : Ye s Label: No 

Gen Eqpt : Eye wash bottl e wi th pure water, tightl y fit t ing saf ety 

goggl es, pol yvinyl alcohol or nitrile- butyl rubber g l oves, d u st 

impervi ous protecti ve suit. 

Respirator: In the case of dust o r aer osol f o r mati o n u se r espirator wi t h 

an approved filter. 

Heal t h Effects : No informati on availabl e . TLV/ PEL : 

None establi shed . 

Cons umer Use : No 

SAT (concer ns) (04/ 1 8/201 4) : 

Re l ated Cases a nd Mi se SAT I n f o : 

Ana l ogs : 

Mi gration o gr neg 

PBT rati ng : P3B1T1 PMN : P1B1T1 . Hyd Pdt: P3B1T1 . Heal t h : 1 - 2 Dermal, Dri n king Water, I nhalati o n 

Eco : 1 No r e l eases to water 
OCCUPATIONAL EXPOSURE RATING : 2 - 38 

NOTES & KEY 

POLLUT I ON PREVENTION CONSIDERAT I ONS : 

None . 

EXPOSURE- BASED REVI EW: No 
INI TI AL REVI EW ENGI NEERI NG REPORT 

PMN : 14- 0 4 7 8 

Manuf acturing 

Number o f Si tes/ Locati on : 1 

Days/yr : 133 

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ENVI RONMENTAL RELEASES EST I MATE SUMMARY 

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IRER Note : The d a i ly rel eases listed for any source bel ow may coinci de 

wi th d aily r e l eases f rom t he other sources t o t he same medi um . Submi ssi on 

states no p r oduct releas e to POTW or n avi gabl e water way expected . The 

PMN is a d i s tilla tion product and i s presumabl y a liquid as manu f act ured 

(submissi o n l ists l i quid as phys . form), however , MSDS indi cates the 

PMN i s an " o f f - white solid ". CEB assumes the PMN is likel y a l ow- melting 

solid that sol idifies aft er it i s packaged . Submissi on speci f i es the 

use o f n i trogen b l anket during product loadi ng, theref ore, air r e l ease 

(i ncl. dus t generation) not a ssessed f o r thi s oper ati on . 
OCCUPATI ONAL EXPOSURES EST I MATE SUMMARY 

Tot . # o f worker s exposed v i a assessed r outes: 50 

Basis : 
Inhal ati on : 

Dermal : 

Exposu re to Liq uid a t 100 . 00% concen trat ion 

High End : 

n i s negligibl e Ill 

> Potent ial Dose Rate : 2 . 2E+3 mg/day over 80 days/yr 

> Lif etime Average Da i ly Dose : 4. 0E+O mg/day over 80 days/yr 

>Aver age Daily Dose : 7 . 0E+O mg/day over 80 days/yr 

> Acut e Po t enti a l Dose : 3 . 2E+l mg/day over 80 days/yr 

Number o f wor ke r s (all s ites) wi th dermal exposure : 5 0 
INI TI AL REVI EW ENGI NEERI NG REPORT 

PMN : 1 4 - 0 4 7 8 

Processi ng/Use : 

Number o f Si tes / Locati on : 3 

Days /yr : 2 50 

I 

ENVI RONMENTAL RELEASES EST I MATE SUMMARY 

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IRER Note : The dai ly rel eases listed for any source bel ow may coinci de 

wi th daily r e l eases f rom t he other sources t o t he same medi um . Submi ssi on 

does not provide r e l ease inf ormati o n o n customer s i t es . CEB a s sesses 

uncert a i n r e l ease to water, inc i ner ati o n or land . Note d i rect wat er 

r e l ease may be unl i ke l y as the PMN is wat er r eactive . 
OCCUPAT I ONAL EXPOSURES ESTIMATE SUMMARY 

Tot . # o f worker s exposed v i a assessed r outes: 9 

Basi s : 
Inhal ati on : 

PMN is a non- volatile , h igh- mol ecu lar we i g h t prepolymer , a nd appear s 

t o a l ow- me lting sol id . CEB assumes that during container unl oadi ng , 

t here i s poten t i al for du st generation and ther e f o r e wor ker exposure 

t o i nh a l able dust . 

Exposu re to Particul ate (non- vol ati le) (Cl ass I ) 

Upper Bou nd : 

> Potenti al Dose Rate : 1 . 5E+2 mg/day over 250 days/yr 

> Lifeti me Average Daily Dose : 8 . 4E- 1 mg/kg- day over 250 days/yr 

> Aver age Daily Dose : 1 . 5E+O mg/day over 2 5 0 days/yr 

> Acut e Po t enti a l Dose : 2 . 1E+O mg/day over 250 days/yr 

Number o f worker s (all s ites) wi th inhalati o n exposure : 9 

NOTE : The respi rat or c l ass i s : I . Particul ate (inc l uding solid or l iqui d 

dropl ets) . 

INHALATION MON I TORING DATA REVIEW 

1) Uncert a i nty (estimate based o n model , 

or dat a not specific to i ndustry) : 

2)a) Exposu re l evel > 1 mg/day? 

regul a t ory limi t , 

Yes 

OR 

b) Hazard Rating f or heal th o f 2 or g r eater ? 1- 2 

=> I nh a l ation Moni toring Data Desired? No 

Dermal : 

Exposu re to Sol id at 100 . 00% concentration 

High End : 

Yes 

No 

> Potent ial Dose Rate : 3 . 1E+3 mg/day over 250 days/yr 

>Lif etime Average Da i ly Dose : 1 . 7E+1 mg/day over 250 days/yr 

> Aver age Daily Dose : 3 . 0E+1 mg/day over 250 days/yr 

> Acut e Po t enti a l Dose : 4 . 4E+1 mg/day over 250 days/yr 

Number o f worker s (all s ites) wi th dermal exposure : 9 
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