Appendix 1. Caller and symptom matrix for calls received June 1997 and December 1999.

Caller

Symptom

Difficulty breathing

Asthmatic episodes

Chest tightness / congestion

Choking or gagging

Chronic cough

Sore throat

Nose / throat irritation

Sinus congestion

Sinus Irritation

Sneezing

Eye irritation

Headache

Dizziness / lightheadedness

Drowsiness / fatigue

Sweats

Muscle aches

Insomnia

Malaise

Abdominal cramping

Diarrhea

Nausea

Vomiting

Cardiac irregularities

Dental problems

Metal fume fever

Total

6 (Jul97)

1

1

2

2 (Jul97)

1

1

2

2 (Aug97)

1

1

2

12 (Aug97)

1

1

2

7 (Aug97)

1

1

2

13 (Sep97)

1

1

1

1

4

6 (Sep97)

1

1

2

6 (Sep97)

1

1

2

6 (Sep97)

1

1

1

3

2 (Sep97)

1

1

2

6 (Sep97)

1

1

2

14 (Sep97)

1

1

1

3

2 (Sep97)

1

1

2

2 (Oct97)

1

1

1

1

1

5

6 (Nov97)

1

1

2

1 (Nov97)

1

1

6 (Dec97)

1

1

2

16 (Feb98)

1

1

6 (Jun98)

1

1

6 (Jun98)

1

1

2

6 (Aug98)

1

1

2

2 (Sep98)

1

1

6 (Sep98)

1

1

1

3

2 (Oct98)

1

1

2

2 (Oct98)

1

1

2

2 (Oct98)

1

1

25 (Nov98)

1

1

1

3

2 (Dec98)

1

1

1

1

4

2 (Jan99)

1

1

1

3

25 (Jan99)

1

1

2 (Feb99)

1

1

2

2 (Feb99)

1

1

2 (Feb99)

1

1

2 (Feb99)

1

1

2 (Mar99)

1

1

1

1

4

2 (Mar99)

1

1

2

2 (Mar99)

1

1

1

3

2 (Mar99)

1

1

2 (Mar99)

1

1

2

2 (Apr99)

1

1

1

3

2 (Apr99)

1

1

1

1

1

5

2 (May99)

1

1

2 (May99)

1

1

2 (Jun99)

1

1

1

3

2 (Jun99)

1

1

2 (Jun99)

1

1

2

2 (Jun99)

1

1

1

3

6 (Jun99)

1

1

2 (Jul99)

1

1

23 (Jul99)

1

1

8 (Aug99)

1

1

11 (Aug99)

1

1

1

3

32 (Aug99)

1

1

25 (Sep99)

1

1

1

3

2 (Oct99)

1

1

2

Total

10

2

5

3

4

17

7

1

3

1

4

9

1

3

1

2

1

1

2

1

27

1

7

1

1

115