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  • Posted in: CSHEMA Café

    You are correct a mechanically ventilated enclosure is necessary Dennis

  • Posted in: CSHEMA Café

    Hi Renee, I am assuming the cylinder size is larger than a lecture bottle? Fluorine is also a CFATS COI at 6.17% and greater concentration (Theft TPQ 15 lbs). Can the PI use a concentration lower than 6.17%? Even at 5% fluorine in a cylinder larger than ...

  • Posted in: Industrial Hygiene

    We have some multi-raes (monthly) and BW Honeywell 4-gas meters (6-months) that we calibrate in-house with some cylinders of calibration gases. Everything else, except radiation meters, we send out to a third-party for annual calibration.

  • Hi Philip, We calibrate CO and 4 gas detectors. I can send you details Monday if necessary. Best, Peter

  • Posted in: Industrial Hygiene

    Hi Fellow IH COP Members! Happy Friday! We have a member who is having issues accessing the discussion board, so I'm posting Judy's question here. Feel free to respond here on the discussion board and I'll forward the responses to her. Thanks! I want ...

  • Hi everyone, We have a member who is having issues with accessing the discussion board so I'm posting Judy's question here. Feel free to respond here on the discussion board and I'll forward the responses to her. Thanks! I want to check in to see if ...

  • RE: GPS Units

    Hi Eric, all satellite devices require a line of sight to the sky. In a deep slot canyon or heavy tree canopy it may be difficult to send or receive a transmission. But because Garmins are just sending "packets" of data as texts with GPS coordinates they ...