Table XI. Inhalation of Aged 6% Plutonium Mixture, No DTPA Given at Worksite

DOE-STD-1121-98

for any confirmed intake. Peer review by another qualified dosimetrist is recommended, and is

particularly important for assigned doses which exceed administrative control levels or dose limits.

Table XI. Inhalation of Aged 6% Plutonium Mixture, No DTPA Given at Worksite

Days

Since

When Results

What Can be Said at

Problems or

Intake

Measurements

Are Known

What Point

Comments

Can say if HE,50 is more

If anything is

Same

3000-s chest count;

Same day or

or less than 12 rems

detected, should

day

second voiding spot

first thing next

administer DTPA

urine; emergency

morning

processing

12-h urine, emergency

End of second

If nothing in urine or

processing; second

day

chest, then intake is

chest, then DTPA is

chest count if first

class W < 5 rems, or

not needed.

result detected activity

class Y < 10 rems

If Pu alpha in urine >

2 dpm, then consider

initiating DTPA.

From bioassay data,

24-h total urine,

Morning of fifth

If nothing in sample

still won't know

expedite processing

day

(and previous chest

counts), then HE,50 class

inhalation class of

W < 500 mrem, class Y

material

< 5 rems

LEPD(b) results:

If nothing in LEPD

1-3

Total fecal excretion

analysis, then HE,50 <

6-7 days after

for first 3 days after

intake(a)

500 mrem

intake

IPA(c) priority:

If nothing in IPA, then

Two processings by

lab: 1) LEPD(b)

HE,50 < 100 mrem

16-17 days after

expedited processing;

intake

2) IPA(c) priority

processing

(a)

If more than one sample is produced in a day, the samples should be composited into a single sample

before analysis.

(b)

LEPD: Code for lab analysis, referring to non-destructive low-energy photon spectrometry; measures

x rays from 241Am.

(c)

IPA: isotopic plutonium and 241Am via alpha spectrometry.

101