26 



BULLETIN 1027, U. S. DEPARTMENT OF AGRICULTURE. 



Table 11. — -Arsenic, lead, ayid copper remaining on sprayed cranberries at picking time- 

 Continued. 



Sam- 

 ple 

 No. 



26167 



26168 



26170 

 27337 1 



273381C 



27339"' 

 27340 1 



27346 1 



2734710 



2734810 

 27349 1 



27181 



28685 

 28556 



28830 



Spraj' material used. 



Sprayed lightly with 

 4-4-50 Bordeaux, 2 

 lbs. resin flsh-oil soap, 

 2 lbs. lead arsenate 

 (powder), s 



Sprayed normally with 

 4-4-50 Bordeaux, 2 

 lbs. r.esin fish-oil soap, 

 2 lbs. lead arsenate 

 (powder).' 



Sprayed heavily with 

 4-4^50 Bordeaux, 2 

 lbs. resin flsh-oil soap, 

 2 lbs. lead arsenate 

 (powder). 8 



Oversprayed with 4-4- 

 50 Bordeaux, 2 lbs. 

 arsenate (powder), 2 

 lbs. resin flsh-oil soap.s 



Check (unsprayed).'.'. . 



4-5-50 Bordeaux, 2 lbs. 



resin flsh-oil soap. ' 

 10 lbs. lead arsenate 



(paste), 50 galls. 



water, n 

 10 lbs. lead arsenate 



(paste), 21bs. laundry 



soap, 50 gaOs. water .n 

 5 lbs. lead arsenate 



(powder), 50 galls. 



water.ii 

 3 lbs. lead arsenate 



(powder), 50 galls. 



water. 12 

 4-5-50 Bordeaux, 2 lbs. 



resin flsh-oil soap. 

 10 lbs. lead arsenate 



(past e), 50 galls. 



water, n 

 10 lbs. lead arsenate 



(paste), 2 lbs. laundry 



soap, 50 galls . water, n 

 5 lbs. lead arsenate 



(powder), 50 galls. 



water. 

 3 lbs. lead arsenate 



(powder), 50 galls. 



water. 12 

 Check (unsprayed) ». . . 



4 lbs. lead arsenate 

 (powder), 50 galls, 

 water, 2 lbs. caustic 

 potash fish-oil soap, i' 



Check (unsprayed) i'. . . 



31bs. lime, 41bs. copper 

 sulphate, 2 lbs. resin 

 fish-oil soap, 50 galls, 

 water, i' 



4 lbs. lead arsenate 

 (powder), 2 lbs. caus- 

 tic potash flsh-oil 

 soap, 50 galls, water.*' 



Date 

 sprayed. 



1916. 

 Aug. 1, 24. 



do. 



Condition 



of fruit 

 analyzed. 



-do.. 



Aug. 2, 24. 



June 24, Aug. 



3. 

 July 22. 



July 22, 24. 



June 28, Aug 

 1. 



Aug. 19. 



June 24, Aug, 



3. 

 July 222 



July 22, 24. 



June 28, Aug. 

 1. 



Aug. 19. 



1917. 

 June 26, July 

 26, 30. 



June 28 Aug. 

 4,20. 



June 26. July 

 26,30. 



Unwashed . 

 Washed'... 



Unwashed , 

 Washed '... 



Unwashed 

 Washed ". . . 



Unwashed . 

 Washed '... 



Unwashed . 

 Washed '... 

 Unwashed . 

 Washed "... 

 Cn washed . 

 Washed '. . . 



Arsenic 



(As). 



Orig- 

 inal 

 fruit. 



Dried 

 fruit. 



Lead (Pb). 



Copper 



(Cu). 



Orig- 

 inal 

 fruit. 



f i^ I mal 

 "^^^^- i fruit. 



Dried 



fruit. 



Unwashed 

 Washed '... 



Unwashed , 

 Washed '. . , 



Unwashed . 

 Washed "... 

 Unwashed . 

 Washed '. . . 



Unwashed . 

 Washed '... 



Unw'ashed . 

 Washed '... 



Unwashed 

 Washed '. . 



Unwashed . 

 Washed '... 



Unwashed . 

 Washed'... 

 Unwashed . 

 Washed '... 



Unwashed 

 Washed'... 



1.2 



1.3 

 1.0 



1.7 

 1.0 



2.5 

 1.0 



.16 

 .16 



3-. 9 



1.5 



3.9 

 1.4 



.02 



.02 



1.1 

 .6 



1.2 

 .3 



Parts per million. 



8. 7 4. 8 34. 81 5. 5 



5.8 2.5 18.1 I 2.3 



9.4 

 7.2 



19.1 



7.6 



1.1 

 1.1 



1.2 

 1.2 



30.7 

 11.8 



1.1 

 1.1 



30.7 

 11.0 



9.6 

 5.3 



.08 

 .08 

 .8 



10.0 

 2.5 



5.7 

 2.5 



41.3 

 18.1 



7.4 ! 55.6 



3. 8 i 28. 6 



9. 2 j 70. 2 

 4.4 ' 33.6 



4.4 

 4.4 



1.1 

 1.1 



19.1 

 11.5 



1.4 

 1.1 



1.5 

 1.0 



18.9 

 12.4 



4.5 

 2.9 



4.8 

 1.9 



11.6 

 7.0 



8.1 

 8.1 



150.4 

 90.6 



10.5 

 8.3 



148.8 

 97.7 



2.9 

 2.9 



39.5 

 25.4 



5.6 

 5.6 



4.9 



40.0 

 15.8 



6.7 

 3.1 



10.0 

 4.6 



11.4 

 3.7 



1.0 

 1.0 

 2.2 

 1.0 



3.0 

 1.6 



0.9 

 .7 



39.8 

 16.7 



48.6 

 22.5 



75.2 

 34.6 



87.0 

 28.2 



7.4 

 7.4 

 17.2 

 7.8 



23.4 

 12.5 



6.4 

 5.0 



0.6 4.8 



.6 1 4.8 



1.3 I 10.6 



1.2 i 9.8 



1 Early Biack. 



' Washed by soaking berries in water for a short lime, pouring oil the water, adding more wattr.and 

 repeating operation three times. 



8 Harvested Oct. 9, 1916, Brown Mills, N. J. 



» Harvested Sept. 23, 1916, East Wareham, Mass. 

 10 Late Home. 



» Harvested Oct. 2, 1916, East Wareham, Mass. 

 " Harvested Sept. 25, 1916, East Wareham, Mass. 

 " Harvested Oct., 1917, East Wareham, Mass. 



