Table 2. Sites where soil samples were taken.

S. 45th St., Richmond, CA
1	807 S. 45th St.
2	819 S. 45th St.
3	825 S. 45th St.
4	831 S. 45th St.
5	845 S. 45th St.
6	800 S. 45th St.
7	814 S. 45th St.
8	822 S. 45th St.
9	826 S. 45th St.
10	832 S. 45th St.
Carlson Blvd, Richmond, CA
11	946 Carlson Blvd
12	942 Carlson Blvd
13	934 Carlson Blvd
14	928 Carlson Blvd
15	922 Carlson Blvd
16	916 Carlson Blvd
17	908 Carlson Blvd
18	900 Carlson Blvd
West Oakland, CA
20	1724 14th St.
21	1738 14th St.
22	1740 14th St.
23	15th St. & Wood
24	1726 15th St.
25	1725 15th St.
26	1719 15th St.
27	1715 15th St.
28	17th St. & Wood
29	16th St. & Willow

3–4 samples were taken along the front of each street address and homogenized.