Document 0gamG1vdZDRXXrb964M39QgGd

AR226-3048 study Title Approximate Lethal Dose (ALD) of H-21951 in Rats I ^^nratory ProjgeB Haskell Laboratory Report No. 796-96 Author Tracy A. Filliben Study Completed On August 30, 1996 Performing Laboratory E I du Pont de Nemours and Company . . . , ' TnxicoloBV and Industriai Medicine Haskell LaboratoErlyktfoonr ^Rooxa,Cd,OP`.g^O- BBox 5ou0 ] 1 Company Sanitized. Does not contain TSCA CBI SubslanceTested: Synonyns/Codes: n..Pont HLR 796-96 physical Fonti' Primposition: rrmtaminants: Purity: Cnhmitter s NotgbaaL&jQ;: C ^R eaistQ L ie,'Sponsor: Study lnitiat<*ri - Completed: In Life Phase Initiated - Completed. DuPont Specialty Chemicals E. I. du Pont de Nemours and Company Wilmington, Delaware 6/21/96-8/30/96 6/22/96 - 7/8/96 Company Sanitized. Does not contain TSCA CBt Approximate.. n.wmALP.." H J l g S L Gsoffl! Ini'ojmianlCoiltlDlKJj n,.Pnni HLR 79ft-% Ail raw data and the final repo will ^ ^ " J ^ N e T o u r f a n d 1Company. Newark, Wilminaton, Delaware). Company Sanitized. Does not contain TSCA CBI SUMMARY DuPont HLR 796-96 H-2.95. w a s a d m i n i s t e r e d a s ^ n o deaths occurred during the stu y in greater than 11,000 ing/kg 5000mg/kg) when administered as a si g Company Sanitized. Does not contain TSCA CBI oxitnaie Lethal Dose (A LP) of H-219S1 in Rals^ A T U R E PAGE D uPont HLR 796-96 ^uuuiQReport by: r jd J b J k * ^ Tracy A. RlUben Toxicology Associate ^ 7Worte by Tracy A. RIHben Toxicology Associate Reviewed and Approved for Issue: Tracy A. Rlliben Study Director Z 30% TF/alw Company Sanitized. Does not contain TSCA CB1 iM TPnniiCTlO N The purpose of this , W` w^de f i ^d as the lowest dose 1 ^ s ^ e i t h e r on the d * ofdosingor wHhin 14days post exposure. Ma t f p ia l s AND METHODS A. A"f"H Husbandry Male CH:CD(SD,BR rats. ^ - Z ^ 'r .lZ t h e M 3 Rodent Chow. #5002 and water were available ad h b ttm . T a^ C* * " Haskell Ubomuny h * - monitored and administered by the ^a^ora1^ . f yie presence of coliforms, lead, and other contaminants. Additional y, san^j itolion by the cagewashers. Data racks are periodically AM M a from this program m ^ ' ' " " ^ ^ T i ^ r a . t r i t k L l lequiremetlts and to be free certified by the manufacturer t pec ^ analyses, there is no evidence ~ P-iAndreiM,- -- 1 haw interfered with the results of this study. '**" " " " Rats were quaranuwd, weighed. one week. Animal rooms were mtunMnod TM ^ for ,, h0 r X T S retativc humidity o f 50% 10%. Excursions outside S ^ w e r e of smaU magnitude and/or brief rhtr-irm and did no, adveme., affect the validity of the study. B. Protocol The test substance was administered nealto l j - a t g r d o s e ^ ^ y ^ Df visjbte intubation. The density of th e test *" wa^ 1 B n S S e stable under the Dose rates administered ranged from 2300 to 11,000 t n ^ Lethal P *(A > m o fH -2 t9 5 l i n t o j ^ DuPont HLR 796-96 Jmg/kg of body wei.gh. t in in^cr.enmwennttssooff aauppDriooxxiimmaatieely 50%. Additional,l4y,w1arsat^was dosed at 670 mg/kg. The dosing dqf was were observed for clinical day 15. F o llo w in g ^ m im s ^ o n o ^ te r t ^ i g ,* of toxicity s^ s-IrisS rr:asm performed. RESULTS The regimen a,,nka1mthe mworuailmityj U tag - - ' " 11W '" " P" *" 1 " * detaitedtelow. No deaths occurred during the study. Dosage (mg/kg) 670 2300 3400 5000 7500 11,000 Dose Volume ImL) 0.18 0.63 0.84 1.2 1.7 2.6 Density fmg/mU Initial Body Weight (e) 271 284 253 244 237 247 Mortality No No No No No No Company Sanitized. Does not contain TSCA CB1 -7- B. rjjpical Siens "JE L - TeS i - * --afte " b f c * f ^7500 mg/kg 1 day after do*. at 670.2300. or 3400 mg/kg- rpNCLUSION Under die condemns o f this study. die (ALD grader no! contain TSChC' smn*ed-D0s CotnPany - H-