Bacharach N2O Portable Monitor Spécifications télécharger pdf (Page 28)

100

7.0 CONCLUSIONS

Formaldehyde:

• Although worker exposure to formaldehyde in the dirty core area did not exceed WCB of BC

exposure limits, exposures must be maintained at levels as low as reasonably achievable

below the exposure limit (designated as a suspected human carcinogen).

Nitrous oxide:

• Average exposures were below the 12 hr limit of 12.5 ppm with the exception of one nurse

• 5 nurses’ personal data logged samples exceed the 5X excursion limit of 125 ppm.

• The limit set by the WCB of BC of an 8 hour TWA of 25 ppm is attainable at this point in

labour and delivery, where nitrous oxide is self-administered, but the 5X excursion limit of

125 ppm is not.

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CHEMICAL EXPOSURE 1
ASSESSMENT AT LANGLEY 1
MEMORIAL HOSPITAL 1
Conclusions: 2
Recommendations 3
APPENDICES 5
1.0 INTRODUCTION 6
2.0 LITERATURE REVIEW 6
2.1 Formaldehyde 6
2.2 Nitrous Oxide 8
3.0 WORKPLACE DESCRIPTION 12
3.1 Dirty Core Area 12
3.2 Maternity Ward 13
4.1 Formaldehyde 14
4.2 Nitrous Oxide 16
5.0 RESULTS 20
5.1 Formaldehyde 20
5.2 Nitrous Oxide 21
6.0 DISCUSSION 24
6.1 Formaldehyde 24
6.2 Nitrous Oxide 24
7.0 CONCLUSIONS 28
8.0 RECOMMENDATIONS 29
APPENDIX 1 30
SAMPLING LOCATION PLANS 30
APPENDIX 2 33
PHOTOGRAPHS 33
Scavenging 38
0 delivery 38
Fresh air 39
Room exhaust 39
APPENDIX 3 40
REFERENCES 40
APPENDIX 4 44
FORMALDEHYDE GASTEC TUBE 44
APPENDIX 5 46
NITROUS OXIDE 46
PASSIVE DOSIMETER RESULTS 46
< 0.7 47
APPENDIX 6 50
MIRAN GRAPHS 50
Miran Delivery 1 51
Miran Delivery 2 52
Miran Delivery 3 53
Miran Del ivery 4 54
Miran Delivery 6 55
Miran Delivery 7 56
Miran Delivery 8 57
Miran Delivery 9 58
APPENDIX 7 59
MEDIGAS 3010 GRAPHS 59
Delivery 2 July 27, 2001 60
Delivery 3 July 27, 2001 61
Delivery 4 July 30, 2001 62
Delivery 5 July 30, 2001 63
Delivery 6 July 31, 2001 64
Delivery 7, August 1, 2001 65
APPENDIX 8 66
PATIENT CONSENT FORM 66
APPENDIX 9 68
APPENDIX 10 71
Material Safety Data Sheet 72
Auto-ignition temperature 73
Section VII. Reactivity Data 74
Section X. Other Information 75
APPENDIX 11 76
Instruction 19-9208 77
O Monitor 77
Model 3010 77
WARRANTY 78
Contents 79
SPECIFICATIONS 80
1.0 INTRODUCTION 81
1.3 Units of Measurement 82
2.0 OPERATION 83
2.3 Start-Up Display 84
2.4 Normal ppm Mode 84
Instruction 19-9208 5 85
O Monitor 3010 85
2.6 TWA Alarm 86
2.7 Auto-Stablization Mode 86
2.8 Leak Detection Mode 87
2.10 Datalogging 88
2.11 Battery Low Display 89
2.12 Battery Charge Indicator 89
2.13 Fault Condition Warning 89
2.14 Flow Fail Warning 90
2.16 Cross Sensitivity 90
3.0 MAINTENANCE 91
3.2 Cleaning 92
3.3 Sunlight 92
3.4 Servicing 92
3.6 Factory Settings 92
3.7 Response Check 93
3.8 Zero Calibration 94
3.8.1 Air Calibration 95
3.8.2 Nitrogen Calibration 95
4.0 PARTS & SERVICE 97
Instruction 19-9208 19 99
World Headquarters 100

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