Table S1concentrations (Ng G-1 Dry Weight) of Pahs in Sediments During the Study Period

Table S1Concentrations (ng g-1 dry weight) of PAHs in sediments during the study period

Sampling
Date / Approximate months after spill / 16PAHsa / Unsubstituted PAHsb / Alkylated PAHsc / Total PAHsd
min. – max.
(mean)
Dec 2007 / 0 / 1.6 -2670
(159) / 1.7 - 4100
(232) / 1.4 - 67100
(3570) / 3.2 - 71200
(3800)
Jan 2008 / 1 / 1.7 - 153
(29.1) / 1.8 - 183
(33.3) / 1.7-4600
(409) / 4.4-4710
(442)
Apr 2008 / 4 / 0.8 - 82.1
(16.3) / 0.8 - 95.4
(18.2) / n.d.-1610
(70.2) / 1.1-1700
(88.5)
May 2008 / 5 / 1.2-219
(53.1) / 1.3 - 255
(61.6) / 2.3-4730
(1100) / 3.6-4980
(1160)
Jun 2008 / 6 / 2.9-120
(45.2) / 3.0 - 140
(52.8) / 6.1-7470
(1520) / 9.1-7610
(1570)
Jul 2008 / 7 / 1.3-101
(17.1) / 1.3 - 126
(20.0) / 0.9-2060
(140) / 2.2-2180
(160)
Aug 2008 / 8 / 0.9-35.3
(20.7) / 0.9 - 42.6
(24.3) / 1.0-591
(213) / 2.3-617
(237)
Sep 2008 / 9 / 1.7-102
(17.3) / 1.8 - 120
(19.9) / 4.3-5180
(747) / 6.2-5300
(767)
Oct 2008 / 10 / 1.8-129
(16.8) / 1.8 - 153
(18.9) / 2.8-3570
(144) / 4.6-3720
(163)
Nov 2008 / 11 / 1.9-37.1
(10.9) / 1.9 - 47.2
(12.8) / 4.0-1320
(194) / 6.0-1370
(207)
Dec 2008 / 12 / 1.6-233
(35.5) / 1.7 - 267
(40.4) / 3.2-90.2
(16.8) / 4.8-357
(57.2)
Jun 2009 / 18 / 0.6-53.5
(9.4) / 0.7 - 65.7
(10.6) / n.d. -1480
(45.1) / 0.7-1550
(55.7)
Jun 2010 / 30 / 1.3-61.8
(12.9) / 1.3 - 69.5
(14.4) / 1.0-453
(22.7) / 2.2-481
(37.1)
Jun 2011 / 42 / 0.6-42.6
(11.0) / 0.6 - 57.3
(12.6) / n.d.-2390
(76.9) / 0.6-2440
(89.4)
Apr 2012 / 52 / 0.6-45.9
(8.6) / 0.6 - 52.1
(9.7) / n.d.-156
(11.0) / 0.9-203
(20.7)
Apr 2013 / 64 / 0.4-69.8
(11.6) / 0.4 - 78.9
(13.2) / n.d.-163
(19.4) / 0.4-242
(32.6)
Mar 2014 / 75 / 0.7-76.9
(13.8) / 0.7 - 85.7
(15.2) / 1.1-107
(18.0) / 1.8-167
(33.9)
May 2015 / 89 / 1.5-60.8
(26.5) / 1.6 - 69.3
(30.5) / 3.8-78.9
(39.3) / 5.4-148
(69.8)

a 16 PAHs prioritized by the US EPA: naphthalene, acenaphthylene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, benz[a]anthracene, chrysene, benzo[b]fluoranthene, benzo[k]fluoranthene, benzo[a]pyrene, indeno[1,2,3-cd]pyrene, dibenz[a,h]anthracene, and benzo[ghi]perylene

bUnsubstituted PAHs: sum of the 16PAHs, benzo[e]pyrene, perylene, anddibenzothiophene

c Alkylated PAHs: sum of the C1~C4 naphthalenes, C1~C3 fluorenes, C1~C4 phenanthrenes, C1~C3 chrysenes, and C1~C3 dibenzothiophenes

d Total PAHs: sum of the unsubstituted PAHs (b) and alkylated PAHs (c)

n.d. not detected