In Tun—The Tun Lab Notebook
(Return to EVS533 Syllabus)
(Assignment) | (Intro and Methods)

From lab notebook, page 43

{1}: Revival Rate when moistened with acidifier: general notes on experimental conditions. {Purpose of experiment was to look at how fast tuns become active at different temperatures. Area's of collection are all on the north shore of Oliver's Bog.}

{2}:

Year
Collected
Location
of Collection
Number
of Tuns
Temperatures
1976NW310,00018, 20, 22, 25, 28
1979Carter's Ridge10,000
1983Carter's Ridge10,000
1985Pitcher Point10,000
1986NW310,000


From lab notebook, pages 49-57

{3}: Collection Year: 1983. pH: 4.1. Numbers of active GSWB's, giving average of 3 Nichols (Nichol et al 1987) counts (multiply by 100 to get numbers / 10000).

{4}:

Day:45678910
Temperature: 18C
8:00 a.m 000.021.34.37.28.1
8:00 p.m. 000.21.95.77.58.3
Temperature: 20C
8:00 a.m 0.5111.124.443.363.267.9
8:00 p.m. 0.014.317.231.058.268.268.3
Temperature : 22C
8:00 a.m 01.721.145.469.477.279.3
8:00 p.m. 07.737.953.174.378.180.3
Temperature: 25C
8:00 a.m 00.67.314.432.148.953.9
8:00 p.m. 01.911.425.342.351.154.3
Temperature: 28C
8:00 a.m 00.44.411.324.138.443.2
8:00 p.m. 0.11.17.919.730.341.144.1

From lab notebook, pages 63-67 Effect of acid buffer on reactivation. Basic set-up:

{5}:

Year Collected~ Number
of Tuns
TemperaturepH's Used
197610,00022 
197910,00022 
198310,000223.1, 3.6, 4.1, 4.6, 5.1
198510,00022 
198610,000223.6, 4.1, 4.6, 5.1

from lab notebook, pages 88-103

{6}:(Note: 1986 dish at pH 3.1 fell off of shelf (report as "lab accident")

{7}:

Numbers of active GSWB's, giving average of 3 Nichols counts (multiply by 100 to get numbers / 10000). Data on tuns which were collected in 1985.

{8}:

Day:45678910
pH 3.1
8:00 a.m 0000000
8:00 p.m. 0000000
pH 3.6
8:00 a.m 0.11.721.153.176.391.994.6
8:00 p.m. 0.69.937.562.987.193.194.6
pH 4.1
8:00 a.m 0.11.520.251.373.388.190.4
8:00 p.m. 0.78.936.760.782.289.990.1
pH 4.6
8:00 a.m 0.11.222.250.371.381.985.3
8:00 p.m. 0.78.933.359.178.183.185.5
pH 5.1
8:00 a.m 01.117.737.160.369.972.1
8:00 p.m. 07.325.939.163.871.972.7

{9}:Data on tuns which were collected in 1986:

Day:45678910
pH 3.6
8:00 a.m 1.721.152.173.191.894.396.7
8:00 p.m. 9.937.362.877.793.796.196.8
pH 4.1
8:00 a.m 2.324.260.383.787.289.491.0
8:00 p.m. 12.942.670.785.288.190.491.1
pH 4.6
8:00 a.m 0.222.151.071.480.784.385.4
8:00 p.m. 4.933.758.177.182.185.385.4
pH 5.1
8:00 a.m 0.121.747.160.369.973.174.9
8:00 p.m. 5.331.959.163.869.974.775.0

NOTE: It appears that the 1986 recovery rate is very close to the 1983 rate, with about a 1 day faster response time.


from lab notebook, pages 121-133:

Numbers of active GSWB's by tenth day of exposure to acid moisture: Given as average of 3 Nichols counts (multiply by 100 to get numbers / 10000).

{10}:

Collection Year:19761979198319851986
pH:Temperature 20C
3.10.00.00.00.00.1
3.648.462.881.490.794.3
4.133.245.968.374.780.1
 Temperature 22C
3.10.00.00.00.00.2
3.650.366.284.894.696.6
4.148.661.380.390.191.1
 Temperature 25C
3.10.10.00.00.150.0
3.1-58.075.584.388.2
4.117.329.154.360.565.5