Amerock Carriage House brand vintage switchplate cover from Canada: non-detect for Lead, Cadmium, Mercury, Arsenic, Chromine!

Reading #1) on the golden front surface of the switch plate
60-second reading

• Lead (Pb): non-detect
• Cadmium (Cd): non-detect
• Mercury (Hg): non-detect
• Bromine (Br): non-detect
• Chromium (Cr): non-detect
• Manganese (Mn): 166 +/- 42 ppm
• Nickel (Ni): 493 +/- 41 ppm
• Copper (Cu): 454,400 +/- 700 ppm
• Zinc (Zn): 543,000 +/- 800 ppm
• Niobium (Nb): 739 +/- 38 ppm
• Indium (In): 22 +/- 13 ppm
• Tin (Sn): 146 +/- 19 ppm
• Bismuth (Bi): 809 +/- 33 ppm
• No other metals detected in consumer goods mode.

Reading #2) on the black / brown back surface of the switch plate
60-second reading

• Lead (Pb): non-detect
• Cadmium (Cd): non-detect
• Mercury (Hg): non-detect
• Bromine (Br): 97 +/- 11 ppm
• Chromium (Cr): non-detect
• Manganese (Mn): 79 +/- 41 ppm
• Copper (Cu): 303,800 +/- 600 ppm
• Zinc (Zn): 695,100 +/- 1,000 ppm
• Niobium (Nb): 669 +/- 38 ppm
• Tin (Sn): 66 +/- 17 ppm
• No other metals detected in consumer goods mode.