1 / 32

Formaldehyde Monitoring

Formaldehyde Monitoring. Presented by. Michael D. Shaw. FORMALDEHYDE. HEALTH EFFECTS. CARCINOGENICITY. EPA—“B1” Probable human carcinogen. ACGIH—“A2” Suspected human carcinogen. WHO (IARC)—“Group 1” C arcinogenic to humans. PHYSICAL SYMPTOMS.

ham
Download Presentation

Formaldehyde Monitoring

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Formaldehyde Monitoring Presented by Michael D. Shaw

  2. FORMALDEHYDE

  3. HEALTH EFFECTS

  4. CARCINOGENICITY EPA—“B1” Probable human carcinogen ACGIH—“A2” Suspected human carcinogen WHO (IARC)—“Group 1” Carcinogenic to humans

  5. PHYSICAL SYMPTOMS 1-10 ppm—Eye irritation; lacrimation at 4 ppm 10-20 ppm—Coughing, heart palpitations, tight feeling in chest 50-100 ppm and above—Pulmonary edema, pneumonitis, death Contact with skin (formalin or HCHO-containing resins)—Dermatitis Minimum Fatal Dose Level — Male single oral ingestion 517 mg/kg (DHHS)

  6. OCCUPATIONAL EXPOSURE STANDARDS ACGIH TLV® 0.3 ppm (Ceiling) OSHA PEL 0.75 ppm (TWA) 2 ppm (Ceiling) NIOSH REL 0.016 ppm (TWA) 0.1 ppm (Ceiling)

  7. NIOSH ANALYTICAL METHODS

  8. Method 2016 most sensitive Silica gel/2,4-dinitrophenylhydrazine Method 2541 Sorbent tube/2-hydroxymethyl piperidine Method 3500 Impinger/chromotropic acid (1,8-dihydroxynaphthalene-3,6-disulfonic acid)

  9. INSTRUMENT METHODS— PRACTICAL AND OTHERWISE FTIR Semi-automated wet chemical methods Electrochemical (converted alcohol detectors) Interscan purpose-designed HCHO sensor

  10. INTERSCAN FORMALDEHYDE SENSOR

  11. ADVANTAGES Good sensitivity 0-500 parts-per-billion full scale measuring range available Excellent specificity Little effect from alcohols Full interference info on gasdetection.com website Quick response time Rise time to 50% 5-10 seconds Rise time to 90% 30-45 seconds

  12. APPLICATIONS HCHO ubiquitous in the workplace, however… Biggest applications have been in the forest products industry e.g., monitoring of emissions from manufactured wood products

  13. Interscan’s HCHO sensor is the heart of Georgia Pacific’s DYNAMIC MICROCHAMBER Board compliance testing time reduced from 2 weeks to less than an hour

  14. MONITORING PRODUCTS OFFERED BY

  15. PORTABLE ANALYZER

  16. CONTINUOUS MONITORING SYSTEM SINGLE POINT APPLICATION

  17. CONTINUOUS MONITORING SYSTEM TWO POINT APPLICATION

  18. CONTINUOUS MONITORING SYSTEM MULTI-POINT (THREE OR MORE) APPLICATION

  19. ARC-MAX® DATA ACQUISITION, ARCHIVING, AND REPORTING

  20. ARC-MAX® MAIN SCREEN

  21. ARC-MAX® SHIFT REPORT

  22. ARC-MAX® TRENDING

  23. ARC-MAX® ALARM LOG

  24. For Survey Applications, We Recommend Our Nomad Data Logger 16-bit resolution Models available for voltage and 4-20mA inputs Self-contained units also available for temperature, humidity and pH Sampling rate adjustable—1 second to 10 hours in 1 second intervals Storage capacity—522,240 readings Excellent software included

  25. Visualize your measurement session with an auto-scaling time history graph

  26. Time history graph detail screen Zoomed in on particular portion of the curve

  27. Ability To View All Individual Data Points

  28. CONCLUDING REMARKS We've covered the health effects and occupational standards for formaldehyde We've looked at wet chemical and instrumental methods for formaldehyde We've seen a special application of Interscan's HCHO sensor

  29. SPECIAL THANKS TO PROFESSOR GEORGE BYRNS and the Prairie Section of the American Industrial Hygiene Association

More Related