Trial Sample_ID Date_of_analysis Days_of_storage Avg_15N_at_pcnt stdev_at_pcnt Notes Orange submerged Orange 7 23 1 9.9 0.6 Exetainer subsamples filled in same order as measured in time (i.e. not randomized). Orange submerged Orange 7 3 42 9.4 0.2 Exetainer subsamples filled in same order as measured in time (i.e. not randomized). Orange submerged Orange 7 25 64 9.3 0.3 Exetainer subsamples filled in same order as measured in time (i.e. not randomized). Orange submerged Orange 7 14 145 8.9 0.7 Exetainer subsamples filled in same order as measured in time (i.e. not randomized). Orange submerged Orange 8 23 1 7.1 0 Exetainer subsamples filled in same order as measured in time (i.e. not randomized). Orange submerged Orange 8 3 42 6.6 0.4 Exetainer subsamples filled in same order as measured in time (i.e. not randomized). Orange submerged Orange 8 25 64 6.5 0.2 Exetainer subsamples filled in same order as measured in time (i.e. not randomized). Orange submerged Orange 8 14 145 6.3 0.4 Exetainer subsamples filled in same order as measured in time (i.e. not randomized). Orange submerged Orange 9 23 1 6.5 0.2 Exetainer subsamples filled in same order as measured in time (i.e. not randomized). Orange submerged Orange 9 3 42 6.3 0.1 Exetainer subsamples filled in same order as measured in time (i.e. not randomized). Orange submerged Orange 9 25 64 6.1 0.1 Exetainer subsamples filled in same order as measured in time (i.e. not randomized). Orange submerged Orange 9 14 145 6.1 0.4 Exetainer subsamples filled in same order as measured in time (i.e. not randomized). Black submerged Black 1 2018-07-10 1 3.1 0.12 nd Black submerged Black 1 2018-07-16 7 3.2 0.06 nd Black submerged Black 1 2018-08-10 32 3.1 0.1 nd Black submerged Black 1 2018-08-20 42 3.2 0.04 nd Black submerged Black 2 2018-07-10 1 4.5 0.06 nd Black submerged Black 2 2018-07-16 7 4.6 0.02 nd Black submerged Black 2 2018-08-10 32 4.4 0.1 nd Black submerged Black 2 2018-08-20 42 4.6 0.03 nd Black submerged Black 3 2018-07-10 1 4.2 0.03 nd Black submerged Black 3 2018-07-16 7 4.2 0.01 nd Black submerged Black 3 2018-08-10 32 4.1 0.1 nd Black submerged Black 3 2018-08-20 42 4.2 0.03 nd Black submerged Black 4 2018-07-10 1 4.2 0.09 nd Black submerged Black 4 2018-07-16 7 4.3 0.01 nd Black submerged Black 4 2018-08-10 32 4.2 0.03 nd Black submerged Black 4 2018-08-20 42 4.3 0.04 nd Black submerged Black 5 2018-07-10 1 9.9 0.01 nd Black submerged Black 5 2018-07-16 7 10.1 0.04 nd Black submerged Black 5 2018-08-10 32 9.8 0.1 nd Black submerged Black 5 2018-08-20 42 10.1 0.1 nd Black submerged Black 6 2018-07-10 1 10.5 0.07 nd Black submerged Black 6 2018-07-16 7 10.6 0.03 nd Black submerged Black 6 2018-08-10 32 10.5 0.2 nd Black submerged Black 6 2018-08-20 42 10.6 0.2 nd Black submerged Black 7 2018-07-10 1 10.3 0.05 nd Black submerged Black 7 2018-07-16 7 10.2 0.04 nd Black submerged Black 7 2018-08-10 32 10 0.3 nd Black submerged Black 7 2018-08-20 42 10.1 0.2 nd Black submerged Black 8 2018-07-10 1 10.1 0.04 nd Black submerged Black 8 2018-07-16 7 10.1 0.08 nd Black submerged Black 8 2018-08-10 32 10 0.2 nd Black submerged Black 8 2018-08-20 42 10 0.2 nd Blue submerged Blue 1 2018-07-10 1 2.3 0.21 nd Blue submerged Blue 1 2018-07-16 7 2.4 0.06 nd Blue submerged Blue 1 2018-07-30 21 2.4 0.15 nd Blue submerged Blue 1 2018-08-20 42 2.1 0.29 nd Blue submerged Blue 2 2018-07-10 1 3.4 0.1 nd Blue submerged Blue 2 2018-07-16 7 3.5 0.06 nd Blue submerged Blue 2 2018-07-30 21 3.5 0 nd Blue submerged Blue 2 2018-08-20 42 3.5 0.06 nd Blue submerged Blue 3 2018-07-10 1 3.6 0.09 nd Blue submerged Blue 3 2018-07-16 7 3.7 0.03 nd Blue submerged Blue 3 2018-07-30 21 3.7 0.06 nd Blue submerged Blue 3 2018-08-20 42 3.7 0 nd Blue submerged Blue 4 2018-07-10 1 3.6 0.06 nd Blue submerged Blue 4 2018-07-16 7 3.7 0.05 nd Blue submerged Blue 4 2018-07-30 21 3.6 0.06 nd Blue submerged Blue 4 2018-08-20 42 3.7 0 nd Blue submerged Blue 5 2018-07-10 1 3.7 0.09 nd Blue submerged Blue 5 2018-07-16 7 3.8 0.06 nd Blue submerged Blue 5 2018-07-30 21 3.8 0.06 nd Blue submerged Blue 5 2018-08-20 42 3.8 0.06 nd Blue submerged Blue 6 2018-07-10 1 3.5 0.07 nd Blue submerged Blue 6 2018-07-16 7 3.6 0.02 nd Blue submerged Blue 6 2018-07-30 21 3.5 0.06 nd Blue submerged Blue 6 2018-08-20 42 3.6 0.06 nd Blue submerged Blue 7 2018-07-10 1 8.3 0.29 nd Blue submerged Blue 7 2018-07-16 7 8.4 0.19 nd Blue submerged Blue 7 2018-07-30 21 8.4 0.1 nd Blue submerged Blue 7 2018-08-20 42 8.6 0.12 nd Blue submerged Blue 8 2018-07-10 1 8.6 0.03 nd Blue submerged Blue 8 2018-07-16 7 8.6 0.07 nd Blue submerged Blue 8 2018-07-30 21 8.6 0.06 nd Blue submerged Blue 8 2018-08-20 42 8.6 0.12 nd Green submerged Green 1 2018-09-12 1 9 0.1 nd Green submerged Green 1 1899-12-31 9 0.1 0.1 nd Green submerged Green 1 1900-01-09 8.9 0.1 0.1 nd Green submerged Green 1 1900-02-03 8.7 0.1 0.1 nd Green submerged Green 2 2018-09-12 1 10.5 0 nd Green submerged Green 2 2018-09-20 9 10.4 0 nd Green submerged Green 2 2018-10-15 34 10.2 0 nd Green submerged Green 2 2018-11-12 62 10 0.1 nd Purple submerged Purple 1 2018-11-26 1 9.1 0.1 nd Purple submerged Purple 1 2019-01-23 59 8.8 0.1 nd Purple submerged Purple 1 2019-03-11 106 8.8 0.1 nd Purple submerged Purple 1 2019-05-29 186 8.9 0.1 nd Orange triangle benchtop OTriangle 1 2019-03-11 1 14.1 0.5 nd nd OTriangle 1 2019-04-18 39 13.5 0.1 nd Blue triangle submerged Btriangle 1 2019-03-11 1 14.1 0.5 nd nd Btriangle 1 2019-04-18 39 14.1 0.2 nd