TABLE 4-5. GAMMA GEOMETRY STANDARDS

Standard

Number

1

Standard

Isotope

_

247 am

2

192 py

3

Geometry

_Type

ccc

Standard Solution

Quantity (ml* or dpm)

LPD

9

ml

3

mi

0.5 ml

137 G6

LPD

3
4
5
6
7

60,
2Aain
24) am
133 E,
137Cs

LPD
LPD
SPD
SPD
LPD

9
6
13
9
i

ml
ml
ml
ml
ml

8

6055

LPD

I

ml

9
10
1]
11
12
13
14
14
15
17
21
21
24
24
30.

60K
94 in
24) ain
133 R4
22 Ne
88 y
137 G6
80 oO
241 am
an
24] am
133 54
24) ain
133.0
24) ay

30.
30

Is2ey
137 A.

30.

30.

40
Rat Standard #1

Rat Standard #2

LPD
LPD
LPD
LPD
LPD
LPD
LPD
LPD
LPD
SPD
LPD
LPD
LPD
LPD
CCC(708g)

5 ml
1 ml
10 ml
2 mi
1 ml
1 ml
3 mi
9 ml
5 ml
0.5 ml
40. mi
6 ml
17 ml
6 ml
51,271 dpm @31 Dee 78

CCC(708g)
CCC(708g)

943 dpm @31 Dec 78
170,206 dpm @31 Dec 78

135

CCC(708¢)

60K

CCC(708e)

404
1ST Og
8066

137 Og
60C5

CCC(593g)
CCC(138g H, 0)
CCC(138g H,0)

CCC(243¢ H, 0)

CCC(243g Hy 0)

_See Table 4-6 for solution activity of standards.

Soil from Janet FJNW 12-4 sample used for QA interlab comparison #1.
CCC = Cottage Cheese Container, one-pint
LPD = Large, Petri Dish, 100 ec

SPD = Smail, Petri Dish, 10 ce

139

11,851 dpm @31 Dee 78
9,698 dpm @3] Dee 78
0.5 ml
1 ml
5 ml

1

5

ml

ml

Select target paragraph3