POISONOUS METALS ON SPRAYED FRUITS AND VEGETABLES. 19 
Table 5. — Arsenic and lead remaining 
peaches at picking time — Continued. 
Spray material used. 
Date 
sprayed. 
Sprayed lightly with 1 
lb. lead arsenate 
(powder), 50 galls, 
water. 
8 lbs. sulphur, 8 lbs. 
stonelime, 50galls.wa- 
ter (self-boiled lime- 
sulphur), 1 lb. lead 
arsenate (powder). 
Self-boiled lime-sulphur. 
Sprayed heavily with 1 
lb. lead arsenate 
(powder), 50 galls, 
water. 
8 lbs. sulphur, 8 lbs. 
stone lime,50galls.wa- 
ter (self-boiled lime- 
sulphur), 1 lb. lead 
arsenate (powder). 
Self-boiled lime-sulphur. 
Commercially spraved 
with 1 lb. lead arse- 
nate (powder), 50 
galls, water. 
8 lbs. sulphur, 8 lbs. 
stone lime,50galls.wa- 
ter (self-boiled lime- 
sulphur), 1 lb. lead 
arsenate (powder). 
Self-boiled lime-sulphur. 
48 lbs. hydrated lime, 
2 lbs. lead arsenate 
(powder). 
2 lbs. lead arsenate 
(powder), 32 lbs. hy- 
drated lime, 16 lbs. 
sulphur. 
16 lbs. sulphur, 34 lbs. 
hydrated lime. 
46 lbs. hydrated lime, 
4 lbs. lead arsenate 
(powder). 
32 lbs. sulphur, 4 lbs. 
lead arsenate (pow- 
der), 14 lbs . hydrated 
lime. 
32 lbs. sulphur, 18 lbs. 
hydrated lime. 
44 lbs. hydrated lime, 
6 lbs. lead arsenate 
(powder). 
44 lbs. sulphur, 6 lbs. 
lead arsenate (pow- 
der). 
Sulphur, with 5 per 
cent hydrated lime 
added. 
1 lb. lead arsenate (pow- 
der), 50 galls, water. 
50 galls, self-boiled lime- 
sulphur, 1 lb. lead ar- 
senate (powder). 
Self-boiled lime-sulphur. 
Check (unsprayed) 
78 lbs. terra alba, 32 lbs. 
sulphur. 
Do 
Do 
1915. 
May 93 
May 26 
July 10 
May 9 
May 26 
July 10 
Mav 9 : 
May 26 
July 10 
May 93 
May 26 
July 10 
May 9 ; 
May 26 
July 10 
May 9 
May 26 
July 10 
May 93 
May 26 
July 10 
Determv 
nations 
on . 
May 9! 
May 26 
July 10 
Whole 
Pulp.. 
Skin. . . 
Whole*. 
Pulp.... 
Skin.. .. 
Whole <. 
Pulp... 
Skin... 
Whole *. 
Pulp.... 
Skin 
Whole 
Pulp....! 
Skin.. 
Whole V 
Pulp... 
Skin... 
Whole*. 
Pulp.... 
Skin.... 
Whole *. 
Pulp.... 
Skin 
Whole * . 
Pulp.... 
Skin . . . . 
Arsenic(As). 
Lead (Pb). 
6 
'3 
<5 
"3 
■PS 
13 
S.-B 
'EJ"3 
0"" 
'Z 5 
0.16 
.04 
Mg . per 
Parts per million. peach. 
2.2 0.013 0.025 
.7 ' 
1.20 
4.10 
.30 I 1.90 
.06 I .40 
0.30 
.10 
1.00 
1.30 
7.80 
.23 
.04 
.96 
1.50 
.30 
6.30 
.10 
.03 
.36 
.60 
.20 
2.30 
.21 
.08 
.70 
1.40 
.50 
4.60 
.67 
.09 
2.50 
4.40 
.60 
15.40 
.30 
.10 
1.00 
2.00 
.70 
6.10 
.02 
.00 
.05 
.06 
.02 
.15 
.13 
"."36' 
.40 
.14 
.90 
.70 
.30 
2.50 
.60 
.20 
2.10 
.40 
.20 
1.40 
.70 
.40 
1.70 
1.40 
.20 
5.10 
1.20 
.20 
4.30 
.003 
.010 
4. 4 . 021 
1. 9 . 003 
15. 1 . 018 
4.0 
1.3 
13.7 
2.6 
1.3 
4.8 
2.7 
11.2 
9.1 
1.3 
31.5 
7.9 
1.4 
26.1 
.019 
.002 
.017 
.008 
.002 
.006 
.014 
.004 
.010 
.040 
004 
036 
.018 
.004 
.014 
.001 
.000 
.001 
.003 
.001 
.002 
.007 
.018 
.049 
.016 
.033 
P.c:. 
86.1 
86.3 
85.3 
84.0 
84.2 
83.4 
.050 ! 85.0 
013 85.1 
.037 i 84.7 
035 84.5 
013 84. 6 
022 I 84.0 
.045 
.020 
.025 
.083 
.009 
.074 
.070 
.007 
063 
85.3 
85.4 
84.8 
84.6 
84.8 
83.8 
84.8 
85.2 
83.5 
84.4 
84.8 
82.9 
85.1 
85.6 
83.4 
1 Delaware variety, harvested Aug. 12-18, Berlin, Md. 
* As shucks fell. * Without stones. 
6 Delaware variety, harvested Aug. 12-18, Springfield, W. Va. 
