Biomethylation of Arsenic in Contaminated Soils - Environmental Contamination: Health Risks and Ecological Restoration - page 240

TABLE 12.1 (continued)
Summary.of.Arsenic.Biomethylation.Rates.under.Different.Methylating.Conditions.from.Various.Studies

Methylation
Products
Measured

Arsenic
Source

Extentof
Biomethylation a

Incubation
Method

Environmental
Conditions

Incubation
Time Microorganisms Substrate References

10.mg.MSMA/
kg.soil,.
newly.spiked

12.5 No.inoculation Aerobic,.pH.

5.3,.25%-35%.
ield.capacity

Ground.
soybean.
meal

160.days DMA,.TMA Woolson.

(1977a)

10.mg.MSMA/
kg.soil,.
newly.spiked

0.8 No.inoculation Anaerobic,.pH.

5.3,.25%-35%.
ield.capacity

Ground.
soybean.
meal

160.days DMA,.TMA Woolson.

(1977a)

10.mg.CA/kg.
soil,.newly.
spiked

18 No.inoculation Aerobic,.pH.

5.3,.25%-35%.
ield.capacity

Ground.
soybean.
meal

160.days DMA,.TMA Woolson.

(1977a)

10.mg.CA/kg.
soil,.newly.
spiked

7.8 No.inoculation Anaerobic,.pH.

5.3,.25%-35%.
ield.capacity

Ground.
soybean.
meal

160.days DMA,.TMA Woolson.

(1977a)

4.mg/L.As(III),.
newly.spiked

0.026-
0.078.mg

23 Inoculated.fungi Aerobic,.room.

temperature,.
pH.4

35.days Total.arsenic.

loss.in.soil

Cernansky.
et.al..
(2009)

17.mg/L.
As(III),.newly.
spiked

0.143-
0.257.mg

23 Inoculated.fungi Aerobic,.room.

temperature,.
pH.4

35.days Total.arsenic.

loss.in.soil

Cernansky.
et.al..
(2009)

4.mg/L.As(V),.
newly.spiked

0.024-
0.067.mg

24 Inoculated.fungi Aerobic,.room.

temperature,.
pH.4

35.days Total.arsenic.

loss.in.soil

Cernansky.
et.al..
(2009)

17.mg/L.
As(V),.newly.
spiked

0.093-
0.191.mg

16 Inoculated.fungi Aerobic,.room.

temperature,.
pH.4

35.days Total.arsenic.

loss.in.soil

Cernansky.
et.al..
(2009)