TABLE 1.--Lindane in Treated-Plant® Tissues 
No. of 
Age of different Fresh sence 
plants at Plant tissue, tissue | Weight of | Treatment) |))jcimdane 
harvest analyzed extracts, tissue, |of extract‘ estimations 
(days) analyzedb grams (p.p.m.) 
Carrot, Daucus carota, var. Imperator (10 p.p.m.) 
100-120 Fibrous roots 4 al C and D pp) 
Edible portion 4 40 C 3 
Stem and leaf a: Dil, C On25 
Carrot, Daucus carota, var. Imperator (5 p.p.m.) 
3) Fibrous roots 2 4 D 25 
120 Do 2 2 D Wy 
Edible portion 2 40 C 0.25 
Snap bean, Phaseolus vulgaris, var. Topcrop (5 p.p.m.) 
50 Edible beans 1 50 C (@) 
60 Fibrous roots AL 3 D 3 
Tomato, Lycopersicon esculentum, var. Rutgers (5 p.p.m.) 
90 Fibrous roots 1 16 C ala) 
Sweet potato, Ipomoea batatas, var. Porto Rico (5 p.p.m.) 
120 Fibrous and 2 40 C -0.5 
edible roots 
Wheat, Triticum aestivum, var. Atlas 66 (5 p.p.m.) 
70 Fibrous roots AL 24 C al 
Potato, Solanum tuberosum, var. Katahdin (5 p.p.m.) 
30 Fibrous roots a 10 D 5 
120 Do 2 2 D Zoe) 
Potato 1 40 C O65) 
Potato peel aL 0.7 D 0.0 
Corn, Zea mays, var. Golden Bantam (1 p.p.m.) 
70 Roots 1 20 C O 
@ Plants grown in soil containing lindane. Soil concentration of lindane given in paren- 
theses. 
D At least two aliquots of each tissue extract chromatographed. 
° Dp. Initial extract of tissue applied directly to spot line of chromatographic paper. 
C. Extract cleaned up before chromatography. 
