To: Ecologic
Date: April 27, 2021
Eden Research Laboratory
From: Thomas Poth
Number of pages including cover: 1
Update
Regarding: ASTM D5511 Ecologic Study update (2472 days)
517 2412 Princeton NE, Suite E
Albuquerque, NM 87107
T 505.508.3994
M 505.550.9316
thomas.poth@edenresearchlab.com
Inculum Cumulative Gas Volume (mL) Percent CH4 (%) Volume CH4 (mL) Mass CH4 (g) Percent CO2 (%) Volume CO2 (mL) Mass CO2 (g) Sample Mass (g) Theoretical Sample Mass (g) Biodegraded Mass (g) Percent Biodegraded (%) Adjusted Percent Biodegraded (%)
Negative
b-Flex
Positive
2827.3 47.4 1340.5 0.96 38.3 1082.6 2.13 1,000
2454.0 46.5 1142.0 0.82 38.2 937.7 1.84 10
10747.7 41.2 4429.3 3.16 42.2 4531.3 8.90 10
23153.5 54.4 12602.2 9.00 35.6 8251.7 16.21 20.0
0.0
8.6
4.2
16.7
1.30
1.11
4.80
11.17
-2.1
83.0
59.0
-2.6
100.0
71.1
* The adjusted % biodegraded values are for informational purposes. It is not part of the method and will not be reported in the final report.
Biodegradation 90.0
Percent (%)
67.5 45.0 22.5 0.0 -22.5
0
750
1,500 Time (days)
NEG
POS
971A-517 - b-Flex
2,250
3,000