RESULTS OF INVESTIGATION, TENNESSEE. 
iG 
is believed that the injured trees to the south can be compared with 
the uninjured trees beyond the range of significant damage in an 
easterly direction with perfect satisfaction, and that the results of 
such a comparison will be just as accurate as though such uninjured 
samples had been taken beyond the smoke range to the south. 
It should be borne in mind that two smelters were involved in the 
above investigation, which were situated so close to one another that it 
was impossible to say which probably was causing the damage. 
Hence a point midway between the two was chosen as the most con- 
venient point from which to reckon all of the distances given in 
Table IL. 
TABLE II.—Sulphur trioxid in foliage, in ash, and in soils around smelters. 
[Caleulated to dry basis. ] 
NORTH OF SMELTERS. 
Approximate Ash in Suna trioxid— 
Field| Serial waves : distance and leaves SE ec 
No No. Beseuip vio oteam ple. direction from and eniGamecclaharach Tmeaoal 
smelters. | needles. : : aa : 
Per cent.| Per cent.| Per cent.| Per cent. 
51 2797 | Foliage, black oak, injured_| 7 miles NNW__- 4.13 0.91 29.2035 | See ees 
60 S806 |== a= (6 oes Sak OS bse eee eer Ome TUETe 4.62 1.05 DOR Die \ Weert eee 
61 DEO (|| ene Cae ek ra ees Ng (Op eee a 4.98 1.10 22 08% Sane. ae 
79 2825 | Foliage, black oak, unin- | 134 miles NNE_. 4.04 .41 TOROA eae 2 Sere ey. 
jured. | 
59 2805 | Soil beneath Nos. 51, 60, Gi rear eae Ul er SEED aes a Me pee at gt 0.05. 
80 28 7.6R lS OLDEN eC At NMINIO cei Qe a os |e ee eee eS Bee eee 2 | a .03 
63 2809 | Foliage, scrub pine, muted 63 miles NNE__ 2.83 .87 SOS Cpl eee See 
64 Don Om aa G OY Sa a ae OES eS ae ee ea S po Mi UR Baie 2.34 .69 PRA iui ser es eee 
65 Mew b ea = 0 SS en Pee Sa ae] GN Ee en 2.99 .93 Sl Pal O): | eee eee 
78 2824 | Foliage, scrub pine, “i | 133 niles NNE_| 2.06 .36 SAG | Meee ees 
jured. 
67 21S TIS Ol beneathUNOs® 6364,65a)-. 2 ee ce eg ee ee 07 
80 2826 | Soil beneath No. 78_---___- | peeeetne: eanneeme nel) See meee | ee ee Pe ee ae 03 
68 2814 | Foliage, white pine, in- | 8 miles NNE___- 2.46 66 26. 82a) ec eS 
jured. 
77 2823 | Foliage, white pine, un- | 133 miles NNE_. 1.74 36 20569 )n| eae meas 
injured. 
Tk 2817 | Soil beneath No. ce eee cet Is Ae & SES IS 0 i Yi pee aca (Pa || ee apa A 06 
80 PASASS {FSS Ol bel OVEIOVSPERB ay INO Affect I EN EIR pal Se Sie aes peg Dy | ee ee .03 
69 2815 | Foliage, black on injured.| 8 miles NNE___- 5.20 .95 SSO Gt |e ee 
79 2825 | Foliage, black oak, unin- | 133 miles NNE_. 4.04 41 LOPS | Se ee 
jured. 
71 PAS tal OLD GIG aula NO) 9 OO sete ek stereos ee le LE as PS Ree | 06 
80 2826 | Soil beneath No. 79_______- |e co ele EE ES Se et 8 AOR Ti eS ole eo -03 
100 2846 | Foliage, white pine, in- | 83 miles NNE__. 1.97 .06 DEA 0 Pes een 
jured. | 
77 2823 | Foliage, white pine, un- | 133 miles NNE-. 1.74 36 2056974. ee 
injured. | | 
98 2844 | Foliage, black oak, injured. 91 miles NNE_-_- 4.41 75 UAO0U == Sates 
79 2825 Foliage, black oak, unin-» 134 miles NN E-- 4.04 1 OS 4a eee ees 
jured. | 
81 2827 olan: black oak, injured _| 124 miles N. by 4,55 .59 PROG) be oases 
E. 
83 QSZOE Aen Osean es ape ke ale Qa esa a | 4,96 .67 Se On| a eae 
79 2825 Tolace’ black oak, unin- | 133 ailes NNE_ 4.04 41 OTA ete itiee Scere 
jured. | 
89 2835 | Soil beneath Nos. Bt Qos | Ohiertecens Parr eee eee Oe ae ene | oe ee Ih SX he 8 .03 
80 BISIXGS hj ~ SO Me] OVS N AW EHS vty OWT ICO 7h are ee RL Ee ee | | ees 03 
90 2836 | Foliage, scrub pine, injured~ 124 miles N. by | 3.07 51 TWO | 
| Ei. 
78 2824 | Foliage, scrub pine, unin- | 133 miles NNE_| 2.06 .36 se (0 Ie see 
jured. | 
89 PRIS (b Sion | Ovaaveea yey avedN ays CO 0) eee eae ee LE Gee Le (ee .03 
80 2826 | Soil beneath No. 78_______-. opt Seah Sp OS Oe Eas cater se |e eg ee | eee es 08 
92 2838 | Foliage, white pine, in- | 123 miles N. by | Zeon .49 I9K0G3 S22 
jured. qe 
93 283 OM esa Cot sey aS ee eae Se, CORE 2.39 .50 209 21y eee ee 
94 2RAQ eee (5 KG yes ae Nalin Seat Soe Bae ic be hs COS E iar 2.65 .50 1SeS6g| Sea 
77 2823 | Foliage, white pine, un- | 133 miles NNE_- 1.74 .36 20269) 22 ee 
injured. | 
38816—Bull. 118—10——3 
