Element	Surface		Deep		Element	Surface		Deep
Element	n^c	Background	n^c	n^c	Element	n^c	Background	n^c	Reference
Ag	9941	77	2567	57	N	10,266	995	2602	441
As	9775	9	2431	10.4	Nb	9787	18.4	2476	19
Au	9528	1.67	2614	1.34	Ni	9515	9.5	2529	12.9
B	10,067	46.9	2541	47.4	P	10,098	413	2585	260
Ba	10,356	293	2614	304	Pb	10,062	37	2526	38
Be	10,120	2.12	2562	2.34	Rb	10,011	117	2543	124
Bi	9530	0.77	2405	0.83	S	9911	233	2387	162
Br	9985	3.8	2508	2.9	Sb	9827	0.68	2516	0.68
Cd	8442	69	1992	45	Sc	10,415	8.7	2625	10.6
Ce	10,150	85	2530	89	Se	10,256	0.51	2600	0.52
Cl	9376	62	2294	57	Sn	9731	7.9	2556	7.8
Co	9235	3.8	2413	5	Sr	10,365	35	2611	34
Cr	10,425	40	2634	47	Th	9783	19.6	2501	23.1
Cs	10,246	8.3	2567	9.8	Ti	10,366	3848	2610	4149
Cu	9435	12.9	2482	13.7	V	10,433	66	2634	80
F	10,275	413	2580	443	W	9720	3.34	2541	3.78
Ga	10,393	18.4	2619	21.6	Y	10,117	26.3	2523	26.7
Ge	10,203	1.51	2599	1.62	Zn	10,206	50	2617	51
Hg	9420	84	2511	62	Zr	10,210	305	2588	272
I	10,062	3.48	2583	4.72	SiO₂	10,467	71.07	2642	65.36
La	10,148	38.2	2551	40.4	Al₂O₃	10,414	15.1	2642	18.71
Li	10,266	28	2596	32	TFe₂O₃	10,436	3.73	2627	4.69
Mn	9163	213	2421	221	OrgC	10,318	1.65	2492	0.69
Mo	9600	1.11	2380	1.26	pH	10,404	5.28	2299	5.26
N	10,266	995	2602	441