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Environmental Profiles of Chemical Flame-Retardant Alternatives for

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Study Type/<br />

Method Innoculum Acclim. Degradation Time Comments Reference<br />

CO 2<br />

evolution<br />

CO 2<br />

evolution<br />

Simulated<br />

biological<br />

treatment/<br />

SCAS<br />

Simulated<br />

biological<br />

treatment/<br />

SCAS<br />

River dieaway<br />

River dieaway<br />

River dieaway<br />

Activated<br />

sludge<br />

Activated<br />

sludge<br />

Activated<br />

sludge w/<br />

domestic<br />

sewage feed<br />

Activated<br />

sludge w/<br />

domestic<br />

sewage feed<br />

River/lake<br />

water<br />

Mississippi<br />

River water<br />

Mississippi<br />

River water<br />

MITI II Sewage<br />

sludge<br />

14 days 82% 27<br />

days<br />

14 days 61.9%<br />

81.8%<br />

20-day<br />

lag time<br />

Anaerobic Biodegradation: No data<br />

Porous Pot Test: No data<br />

7 days<br />

28<br />

days<br />

95% 24<br />

hours<br />

93-96% 24<br />

hours<br />

100%<br />

as TPP removal<br />

by GC analysis<br />

50% primary<br />

biodegradation<br />

7-8<br />

days<br />

2-4<br />

days<br />

100% 1.75<br />

days<br />

83-94% 28<br />

days<br />

Initial<br />

concentration<br />

22 ppm<br />

Initial<br />

concentration<br />

18.3 ppm<br />

12-week test<br />

duration,<br />

acclimation time<br />

not reported<br />

Seneca River water<br />

pH 8.2, Lake<br />

Onondaga water<br />

pH 7.8, Lake<br />

Ontario water pH<br />

8.2, all NY<br />

sources; hydrolysis<br />

may interfere with<br />

measurement at<br />

higher pH<br />

Initial<br />

concentration<br />

0.05 ppm<br />

Initial<br />

concentration<br />

1.0 ppm<br />

Mayer et al.,<br />

1981<br />

Saeger et al.,<br />

1979<br />

Mayer et al.,<br />

1981<br />

Saeger et al.,<br />

1979<br />

Howard and<br />

Deo, 1979<br />

Mayer et al,<br />

1981<br />

Saeger et al.,<br />

1979<br />

<strong>Chemical</strong>s<br />

Inspection &<br />

Testing<br />

Institute, 1992<br />

Pyrolysis:<br />

Conclusion: The pyrolysis products <strong>of</strong> triphenyl phosphate have not been adequately described.<br />

1-57

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