Webstudy, released in 2008, showed detections of DCDFM in groundwater and landfill leachate at levels of about 10 µg/L in Washington County . 4. DCDFM detections have not been reported to the Minnesota Pollution Control Environmental Quality Information System in … WebExcerpt from NIOSH Pocket Guide for Dichloromonofluoromethane: Eye: FROSTBITE - If eye tissue is frozen, seek medical attention immediately; if tissue is not frozen, …
Dichlorodifluoromethane. OSHA Guideline. - Fluoride Action …
Webdichlorofluoromethane is 5 ug/L. Groundwater The principal organic contaminant (POC) groundwater standard of 5 ug/L (6 NYCRR 703.5) applies to dichlorofluoromethane. This standard became effective on January 9, 1989 by inclusion by reference to 10 NYCRR Subpart 5-1 standards. The basis and derivation of the POC standard are described in a ... WebJan 1, 2003 · Groundwater dating methods have also been used to reconstruct past releases of contaminants to aquifers. ... was transformed to dichlorofluoromethane (HCFC-21) and to chlorofluoromethane (HCFC … create new user with home directory
Groundwater Dissolved mineral sources and significance
WebDichlorofluoromethane (HCFC-21) Unknown: TSCA Inv Methane, dichlorofluoro- Valid: Active SARA 110 Freon 21 Trade Name: 10/26/1989: 10/17/1991: Inactive CAA 111 Dichlorofluoromethane In Review: CAA 602 Dichlorofluoromethane … WebDetermine the mass, mg (corrected for DE) of dichlorofluoromethane found in the sample front (W f) and back (W b) sorbent tubes, and in the average media blank front (B f) and back (B b) sorbent tubes. NOTE: If W b > W f/10, report breakthrough and possible sample loss. 14. Calculate concentration, C, of dichlorofluoromethane in the air volume ... WebAbstract. Chlorofluorocarbons (CFCs) cause significantly stratospheric ozone depletion and global warming relating to the greenhouse effect. CFCs under commercial uses as … dnty twitter