Table 2.

Metal Concentrations (μg/g wet wt) in the Pituitaries of Rats 35 days after a 7 week Exposure to Welding Particulate (IT Exposure 1/week for 7 weeks)

	Saline	FCA-HS	MMA-HS	GMA-MS
Al	0.134 ± 0.009	0.134 ± 0.009	0.018 ± 0.003	0.014 ± 0.003
Cr	0.0037 ± 0.0005	0.003 ± 0.0003	0.0041 ± 0.0006	0.0041 ± 0.0006
Cu	0.0054 ± 0.0003	0.006 ± 0.0003	0.0086 ± 0.0025	0.0005 ± 0.0045
Fe	0.113 ± 0.004	0.134 ± 0.009	0.17 ± 0.013*	0.165 ± 0.013*
Ni	0.0037 ± 0.007	0.004 ± 0.007	0.0036 ± 0.005	0.008 ± 0.003
Zn	0.036 ± 0.001	0.043 ± 0.002*	0.048 ± 0.005*	0.053 ± 0.008*
Mn	0.0042 ± 0.0002	0.0035 ± 0.0005	0.0045 ± 0.0004	0.005 ± 0.018

^*Different than Saline Controls, p ≤ 0.05.