September 2015 SPADA Meeting

Powders and Chemicals

Interferent

Ames

E33L

Blank Ames

E33L

Blank Ames

E33L

Blank Ames

E33L

Blank

E t dR xpec e esponse

P

os 

N

eg

N

eg

P

os 

N

eg

N

eg

P

os 

N

eg

N

eg

P

os 

N

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N

eg

Bacillus thuringiensis 

10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10

10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10

2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2

10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2

10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2

10 10 10

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 3

2 2 2 2 2 2 2 1 2 2 2 2 2 2 0 2 2 2 2 2 2 2

Powdered Milk

PoweredCoffee Creamer

Powdered Sugar TalcomPowder

7 9 9 8 9 9 7 7 8 7 6 9 6 3 6 5 9

Flour

BakingSoda Chalk Dust

Brewer'sYeast Dry Wall Dust

Cornstarch

BakingPowder

10 10

GABA

L‐Glutamicacid

Kaolin Chitin

Chitosan

MgSO4

BoricAcid

Powdered Toothpaste

PopcornSalt

StandardizedDust

Data Recording

• What type of data will be recorded • How many markers must be positive to call the sample positive  • How many markers can be present for in a negative sample • Considerations for pX01 positive, pX02 negative and vice versa