Table 1.

Cytotoxicity and clastogenicity of lead chromate^a

Treatment (μg/cm2 LC)	Relative survival (% of control)	Percent of metaphases with damageb,c	Total damage in 100 metaphasesb,c	Percent of apoptosis
0d	100	2 ±0.4	2 ±0.4	2.9 ±0.5
0.1	83	9 ±1.1e	9 ±1.2e	3.3 ±0.2
0.5	66	23 ±2.9e	27 ±4.2e	4.1 ±0.7
1.0	56	34 ±1.9e	42 ±3.0e	4.2 ±0.2
5.0	8	NMf	NM	6.8 ±0.7

^aAverage of three experiments.

^b±Standard error of the mean.

^cAverage of five experiments.

^d0: vehicle control (acetone).

^eSignificantly (p < 0.001) different compared to vehicle control.

^fNM: no metaphases.