Document rpj6qweR5mnpoMKwMvzG6qLzr

TREATMENT OF RABBIT Ho. 292 Four days in metabolism cage n.s.d. no treatment. Faeces collected Series 1. Treated with 0.75 c.c. lead tetraethyl on skin of belly. The hair had been clipped as close as possible, care being taken to avoid breaking the skin. Kept in hood on animal board for 4 hours. The treated area of skin with sufficient margin to remove all surface lead was swabbed off with kerosene, followed by petroleum ether and finally soap and water. The animal was put into the metabolism cage and samples collected daily for 5 days, faeces and urine were separated. At the end of this time the faeces and urine samples were collected separately over 4 day periods until 6 samples had been collected. ANALYSIS OF EXCRETA FROM RABBIT No. 292 Series 1. Faeces Urine Lead found mgs 0.45 0.20 Treatment 4 days control n.s no treatment 450 c.c. urine 2. Faeces ' Urine 0.50 .79 1 day 0.29 450 c.c. urine 3. Faeces Urine 0.70 .85 1 day 0.15 450 c.c. urine . 4. Faeces Urine ... 0.53 .79 1 day 0.26 450 c.c. urine 5. Faeces Urine 0.23 0.06 .29 1 day 450 c.c. urine 6. Faeces Urine 0.37 0.04 .41 1 day ` 450 c.c. urine Series 7. Faeces Urine 8. Faeces Urine 9. Faeces Urine 10. Faeces Urine 11. Faeces Urine 12. Faeces Urine Analysis of excreta from rabbit Ho. 292 (cont) Lead found mgs. Treatment 0.49 . 0.17 .66 4 days 1100 c.c. urine 0.48 0.07 0.48 0.07 .55 4 days .55 4 days 1000 c.c. urine / 950 c.c. urine 0.16 0.07 .23 4 days 975 c.c. urine 0.13 0.07 .20 4 days 800 c.c. urine 0.20 0.07 5.59 2.65 8.24 .27 4 days 850 c.c. urine recovered from excreta recovered from carcass Total recovered Reported 9/21/29