TABLE 1.

METAL CONTENT OF BALTIMORE PARTICULATE MATTER

Metal	μg/g	Metal	μg/g	Metal	μg/g
Be 9	0.6	Cr 52	326.0	Sr 88	110.8
Na 23	6222.4	Mn 55	2133.9	Ag 109	1.7
Mg 25	10750.1	Fe 57	28273.9	Cd 111	2.1
Al 27	12439.7	Co 59	9.7	Sn 118	20.8
S 34	6122.7	Ni 60	59.6	Sb 121	15.8
K 39	5824.3	Cu 63	2329.5	Cs 133	0.7
Ca 43	39619.8	Zn 66	645.6	La 139	21.3
Sc 45	3.3	As 75	4.3	Pb 204	119.7
Ti 47	2135.2	Se 78	7.4	Tl 205	0.3
V 51	76.3	Sr 86	111.0	Pb 208	122.1