Board |
Specimen ID |
Wood Core As
(mg/kg) |
Wood Core Cr
(mg/kg) |
Wood Core Cu
(mg/kg) |
|
A-AB |
A-AB-BL2 |
2350 |
2930 |
1739 |
|
A-AB |
A-AB-BL5 |
2006 |
2480 |
1758 |
|
A-AB |
A-AB-X2 |
2089 |
2704 |
1598 |
|
|
N |
3 |
3 |
3 |
|
|
Average |
2148.4 |
2704.3 |
1698.4 |
|
|
Std. Dev |
179.2 |
224.9 |
87.9 |
|
|
RSD |
8.3% |
8.3% |
5.2% |
|
A-AC |
A-AC-BL2 |
1845 |
2194 |
1396 |
|
A-AC |
A-AC-BL5 |
1622 |
2059 |
1261 |
|
A-AC |
A-AC-X1 |
1068 |
1745 |
1146 |
|
A-AC |
A-AC-X2 |
1465 |
1838 |
1093 |
|
|
N |
4 |
4 |
4 |
|
|
Average |
1499.9 |
1959.0 |
1224.0 |
|
|
Std. Dev |
327.5 |
204.7 |
134.6 |
|
|
RSD |
21.8% |
10.5% |
11.0% |
|
A-AD |
A-AD-BL2 |
2636 |
3217 |
1877 |
|
A-AD |
A-AD-BL5 |
2592 |
3645 |
1782 |
|
A-AD |
A-AD-X1 |
2761 |
3408 |
1977 |
|
A-AD |
A-AD-X2 |
2712 |
2851 |
1530 |
|
|
N |
4 |
4 |
4 |
|
|
Average |
2675.3 |
3280.5 |
1791.4 |
|
|
Std. Dev |
75.5 |
335.5 |
191.6 |
|
|
RSD |
2.8% |
10.2% |
10.7% |
|
A-AE |
A-AE-BL2 |
640 |
832 |
480 |
|
A-AE |
A-AE-BL5 |
441 |
465 |
318 |
|
A-AE |
A-AE-X1 |
2271 |
2743 |
1563 |
|
A-AE |
A-AE-X2 |
52 |
52 |
80 |
|
|
N |
4 |
4 |
4 |
|
|
Average |
851.1 |
1023.2 |
610.5 |
|
|
Std. Dev |
977.9 |
1190.2 |
656.1 |
|
|
RSD |
114.9% |
116.3% |
107.5% |
|
A-AF |
A-AF-BL2 |
1288 |
1545 |
927 |
|
A-AF |
A-AF-X1 |
1414 |
1625 |
903 |
|
A-AF |
A-AF-X2 |
1571 |
1905 |
1119 |
|
|
N |
3 |
3 |
3 |
|
|
Average |
1424.4 |
1691.5 |
982.9 |
|
|
Std. Dev |
142.2 |
188.9 |
118.5 |
|
|
RSD |
10.0% |
11.2% |
12.1% |
|
A-AG |
A-AG-BL2 |
1400 |
1680 |
887 |
|
A-AG |
A-AG-BL5 |
1790 |
2314 |
1388 |
|
A-AG |
A-AG-X1 |
1910 |
2235 |
1219 |
|
A-AG |
A-AG-X2 |
2361 |
2680 |
1659 |
|
|
N |
4 |
4 |
4 |
|
|
Average |
1865.1 |
2227.3 |
1288.3 |
|
|
Std. Dev |
395.9 |
413.3 |
323.4 |
|
|
RSD |
21.2% |
18.6% |
25.1% |
|
A-AH |
A-AH-BL2 |
1454 |
1702 |
993 |
|
A-AH |
A-AH-BL5 |
805 |
1014 |
566 |
|
A-AH |
A-AH-X1 |
1926 |
2235 |
1376 |
|
A-AH |
A-AH-X2 |
240 |
224 |
148 |
|
|
N |
4 |
4 |
4 |
|
|
Average |
1106.0 |
1293.7 |
770.8 |
|
|
Std. Dev |
738.1 |
871.1 |
530.6 |
|
|
RSD |
66.7% |
67.3% |
68.8% |
|
A-AJ |
A-AJ-BL2 |
1868 |
2210 |
1503 |
|
A-AJ |
A-AJ-BL5 |
1053 |
1342 |
711 |
|
A-AJ |
A-AJ-X1 |
1972 |
2478 |
1542 |
|
A-AJ |
A-AJ-X2 |
61 |
2002 |
607 |
|
|
N |
4 |
4 |
4 |
|
|
Average |
1238.3 |
2007.8 |
1090.7 |
|
|
Std. Dev |
886.2 |
484.7 |
501.1 |
|
|
RSD |
71.6% |
24.1% |
45.9% |
|
A-AK |
A-AK-BL2 |
660 |
689 |
459 |
|
A-AK |
A-AK-BL5 |
3213 |
3481 |
1954 |
|
A-AK |
A-AK-X1 |
1605 |
1789 |
1000 |
|
A-AK |
A-AK-X2 |
2557 |
2813 |
1611 |
|
|
N |
4 |
4 |
4 |
|
|
Average |
2008.6 |
2192.7 |
1256.0 |
|
|
Std. Dev |
1115.4 |
1220.4 |
661.9 |
|
|
RSD |
55.5% |
55.7% |
52.7% |
|
A-AN |
A-AN-BL2 |
2056 |
2656 |
1599 |
|
A-AN |
A-AN-BL5 |
1925 |
2434 |
1635 |
|
A-AN |
A-AN-X2 |
2369 |
2879 |
1769 |
|
|
N |
3 |
3 |
3 |
|
|
Average |
2116.7 |
2656.0 |
1667.6 |
|
|
Std. Dev |
228.0 |
222.4 |
89.7 |
|
|
RSD |
10.8% |
8.4% |
5.4% |
|
A-AR |
A-AR-BL2 |
222 |
317 |
184 |
|
A-AR |
A-AR-BL5 |
220 |
326 |
190 |
|
A-AR |
A-AR-X1 |
1039 |
1260 |
685 |
|
A-AR |
A-AR-X2 |
50 |
94 |
65 |
|
|
N |
4 |
4 |
4 |
|
|
Average |
382.8 |
499.1 |
281.1 |
|
|
Std. Dev |
444.9 |
518.6 |
275.6 |
|
|
RSD |
116.2% |
103.9% |
98.1% |
|
A-AT |
A-AT-BL2 |
2144 |
2647 |
1675 |
|
A-AT |
A-AT-BL4 |
2053 |
2972 |
1810 |
|
A-AT |
A-AT-X1 |
2361 |
2519 |
1574 |
|
A-AZ |
A-AZ-BL2 |
3445 |
3732 |
2067 |
|
|
N |
4 |
4 |
4 |
|
|
Average |
2501.0 |
2967.5 |
1781.7 |
|
|
Std. Dev |
642.6 |
544.5 |
213.5 |
|
|
RSD |
25.7% |
18.4% |
12.0% |
|
A-BC |
A-BC-BL2 |
1680 |
2210 |
1304 |
|
A-BC |
A-BC-BL4 |
1933 |
2770 |
1760 |
|
A-BC |
A-BC-X1 |
1926 |
2652 |
1484 |
|
|
N |
3 |
3 |
3 |
|
|
Average |
1846.0 |
2543.7 |
1515.8 |
|
|
Std. Dev |
144.2 |
295.1 |
229.7 |
|
|
RSD |
7.8% |
11.6% |
15.2% |
|
A-BE |
A-BE-BL2 |
40 |
34 |
21 |
|
A-BE |
A-BE-BL5 |
28 |
34 |
29 |
|
A-BE |
A-BE-X1 |
39 |
42 |
33 |
|
|
N |
3 |
3 |
3 |
|
|
Average |
35.7 |
36.6 |
27.4 |
|
|
Std. Dev |
6.4 |
4.6 |
6.2 |
|
|
RSD |
18.1% |
12.6% |
22.5% |
|
A-BG |
A-BG-BL2 |
2641 |
2996 |
1774 |
|
A-BG |
A-BG-BL5 |
1814 |
2409 |
1427 |
|
A-BG |
A-BG-BL6 |
1970 |
2214 |
1328 |
|
A-BG |
A-BG-X1 |
2327 |
2738 |
1643 |
|
|
N |
4 |
4 |
4 |
|
|
Average |
2188.1 |
2589.0 |
1543.0 |
|
|
Std. Dev |
370.5 |
346.8 |
202.2 |
|
|
RSD |
16.9% |
13.4% |
13.1% |
|
A-BN |
A-BN-X1 |
1521 |
1741 |
1079 |
|
|
N |
1 |
1 |
1 |
|
|
Average |
1521 |
1741 |
1079 |
|
|
Std. Dev |
- |
- |
- |
|
|
RSD |
- |
- |
- |
|
A-BW |
A-BW-BL2 |
1363 |
1525 |
876 |
|
A-BW |
A-BW-BL5 |
1541 |
1860 |
1150 |
|
|
N |
2 |
2 |
2 |
|
|
Average |
1452.3 |
1692.5 |
1013.2 |
|
|
Std. Dev |
126.1 |
236.2 |
193.5 |
|
|
RSD |
8.7% |
14.0% |
19.1% |
|
A-BY |
A-BY-BL2 |
1395 |
1594 |
963 |
|
A-BY |
A-BY-BL5 |
968 |
1162 |
726 |
|
A-BY |
A-BY-X1 |
1086 |
1456 |
888 |
|
|
N |
3 |
3 |
3 |
|
|
Average |
1149.7 |
1404.1 |
859.3 |
|
|
Std. Dev |
220.3 |
220.7 |
121.1 |
|
|
RSD |
19.2% |
15.7% |
14.1% |
|
A-I |
A-I-BL2 |
2356 |
2518 |
1381 |
|
A-I |
A-I-BL4 |
1594 |
1958 |
1002 |
|
A-I |
A-I-X1 |
1909 |
2334 |
1273 |
|
|
N |
3 |
3 |
3 |
|
|
Average |
1953.0 |
2270.1 |
1218.6 |
|
|
Std. Dev |
382.9 |
285.5 |
195.3 |
|
|
RSD |
19.6% |
12.6% |
16.0% |
|
A-L |
A-L-BL2 |
1850 |
2210 |
1394 |
|
A-L |
A-L-X1 |
1435 |
1991 |
1263 |
|
A-L |
A-L-X2 |
1246 |
1661 |
962 |
|
|
N |
3 |
3 |
3 |
|
|
Average |
1510.1 |
1954.2 |
1206.2 |
|
|
Std. Dev |
309.2 |
276.7 |
221.6 |
|
|
RSD |
20.5% |
14.2% |
18.4% |
|
A-N |
A-N-BL2 |
557 |
673 |
371 |
|
A-N |
A-N-BL5 |
1985 |
2361 |
1556 |
|
A-N |
A-N-X1 |
849 |
1083 |
615 |
|
A-N |
A-N-X2 |
1080 |
1218 |
758 |
|
|
N |
4 |
4 |
4 |
|
|
Average |
1117.7 |
1333.5 |
825.0 |
|
|
Std. Dev |
616.5 |
722.8 |
512.7 |
|
|
RSD |
55.2% |
54.2% |
62.1% |
|
A-O |
A-O-BL5 |
1541 |
1859 |
1089 |
|
A-O |
A-O-X1 |
1638 |
2434 |
1461 |
|
A-O |
A-O-X2 |
1617 |
2281 |
1327 |
|
|
N |
3 |
3 |
3 |
|
|
Average |
1598.4 |
2191.4 |
1292.2 |
|
|
Std. Dev |
51.2 |
297.7 |
188.2 |
|
|
RSD |
3.2% |
13.6% |
14.6% |
|
A-P |
A-P-BL2 |
1925 |
2567 |
1412 |
|
A-P |
A-P-BL5 |
1920 |
2259 |
1280 |
|
A-P |
A-P-X1 |
1446 |
1743 |
935 |
|
|
N |
3 |
3 |
3 |
|
|
Average |
1763.6 |
2189.6 |
1209.0 |
|
|
Std. Dev |
275.4 |
416.1 |
245.9 |
|
|
RSD |
15.6% |
19.0% |
20.3% |
|
A-Q |
A-Q-BL2 |
3036 |
3806 |
2186 |
|
A-Q |
A-Q-BL5 |
2405 |
2969 |
2167 |
|
A-Q |
A-Q-X1 |
2206 |
2758 |
1655 |
|
|
N |
3 |
3 |
3 |
|
|
Average |
2549.2 |
3177.5 |
2002.8 |
|
|
Std. Dev |
433.5 |
554.1 |
301.6 |
|
|
RSD |
17.0% |
17.4% |
15.1% |
|
A-R |
A-R-BL2 |
2265 |
2741 |
1669 |
|
A-R |
A-R-BL5 |
1427 |
2470 |
1392 |
|
A-R |
A-R-X2 |
2050 |
2609 |
1615 |
|
|
N |
3 |
3 |
3 |
|
|
Average |
1913.6 |
2606.8 |
1558.4 |
|
|
Std. Dev |
435.3 |
135.5 |
146.8 |
|
|
RSD |
22.7% |
5.2% |
9.4% |
|
A-S |
A-S-BL2 |
1662 |
1977 |
1146 |
|
A-S |
A-S-BL5 |
1534 |
1790 |
1001 |
|
A-S |
A-S-X1 |
1483 |
1707 |
935 |
|
|
N |
3 |
3 |
3 |
|
|
Average |
1559.7 |
1824.3 |
1027.1 |
|
|
Std. Dev |
92.3 |
138.3 |
107.8 |
|
|
RSD |
5.9% |
7.6% |
10.5% |
|
A-T |
A-T-BL2 |
1911 |
2357 |
1335 |
|
A-T |
A-T-X1 |
1831 |
2160 |
1338 |
|
A-T |
A-T-X2 |
2041 |
2432 |
1454 |
|
|
N |
3 |
3 |
3 |
|
|
Average |
1927.8 |
2316.2 |
1375.7 |
|
|
Std. Dev |
105.9 |
140.7 |
67.6 |
|
|
RSD |
5.5% |
6.1% |
4.9% |
|
A-U |
A-U-BL2 |
41 |
38 |
44 |
|
A-U |
A-U-X1 |
1729 |
2255 |
1378 |
|
|
N |
2 |
2 |
2 |
|
|
Average |
885.0 |
1146.3 |
711.3 |
|
|
Std. Dev |
1193.5 |
1568.0 |
943.0 |
|
|
RSD |
134.9% |
136.8% |
132.6% |
|
A-V |
A-V-BL2 |
678 |
945 |
484 |
|
A-V |
A-V-X1 |
503 |
686 |
366 |
|
A-V |
A-V-X2 |
1098 |
1407 |
755 |
|
|
N |
3 |
3 |
3 |
|
|
Average |
759.8 |
1012.6 |
535.1 |
|
|
Std. Dev |
305.4 |
364.8 |
199.2 |
|
|
RSD |
40.2% |
36.0% |
37.2% |
|
A-X |
A-X-BL2 |
2304 |
2823 |
1584 |
|
A-X |
A-X-BL5 |
1335 |
2328 |
1583 |
|
A-X |
A-X-X1 |
1714 |
2034 |
1278 |
|
A-X |
A-X-X2 |
1494 |
2365 |
1401 |
|
|
N |
4 |
4 |
4 |
|
|
Average |
1711.8 |
2387.5 |
1461.6 |
|
|
Std. Dev |
424.4 |
325.8 |
149.6 |
|
|
RSD |
24.8% |
13.6% |
10.2% |
|
A-Y |
A-Y-BL2 |
2704 |
3075 |
1791 |
|
A-Y |
A-Y-BL5 |
2169 |
2742 |
1571 |
|
A-Y |
A-Y-X1 |
3218 |
3933 |
2181 |
|
|
N |
3 |
3 |
3 |
|
|
Average |
2696.8 |
3250.2 |
1847.6 |
|
|
Std. Dev |
524.4 |
614.1 |
309.0 |
|
|
RSD |
19.4% |
18.9% |
16.7% |
|
A-Z |
A-Z-BL5 |
1818 |
2392 |
1388 |
|
A-Z |
A-Z-X1 |
3234 |
3594 |
1993 |
|
A-Z |
A-Z-X2 |
2436 |
2779 |
1475 |
|
|
N |
3 |
3 |
3 |
|
|
Average |
2496.0 |
2921.6 |
1618.5 |
|
|
Std. Dev |
710.0 |
613.2 |
327.1 |
|
|
RSD |
28.4% |
21.0% |
20.2% |
|
For All A Boards |
For All A Boards |
|
|
|
|
|
N |
104 |
104 |
104 |
|
|
Average |
1645.4 |
2045.3 |
1203.4 |
|
|
Std. Dev |
787.7 |
917.0 |
543.5 |
|
|
RSD |
47.9% |
44.8% |
45.2% |
|
|
Min |
28 |
34 |
21 |
|
|
Max |
3445 |
3933 |
2186 |
|
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