 | Environmental impact analysis - 1986 - 738 pages
...Polychlorinated Biphenyl PEL - Permissable exposure limit £F_ - Protection factor PIP - Photoionization detector ppb - Parts per billion ppm - Parts per million ppt - Parts per trillion PVC - Poly Vinyl Chloride QA/QC - Quality assurance/Quality control RCRA - Resource Conservation and... | |
 | Lawrence H. Keith, Mary Walker - Science - 1992 - 36 pages
...PEL Permissible Exposure Level P1MS Pesticide Incident Monitoring System pka dissociation constant ppb parts per billion ppm parts per million ppt parts per trillion PR Pesticide Registration pt. pint qt. quart RAC Raw Agricultural Commodities Rfd reference dose RTU... | |
 | Arsenic - 1993 - 216 pages
...exposure limit pg picogram pmol picomole PHS Public Health Service PMR proportionate mortality ratio ppb parts per billion ppm parts per million ppt parts per trillion REL recommended exposure limit RfD Reference Dose ROX Roxarsone (3-nitro-4-hydroxyphenylarsonic acid)... | |
 | Marquita K. Hill - Nature - 1997 - 340 pages
...aromatic hydrocarbons PCBs Polychlorinated biphenyls pCi/1 Picocuries per liter P2 pollution prevention ppb parts per billion ppm parts per million ppt parts per trillion RfD Reference dose TCDD 2,3,7,8-tetrachlorodibenzo-^>-dioxin, also called "dioxin" TUR Toxics use reduction... | |
 | Engineering geology - 1998 - 510 pages
...Preliminary assessment PCB Polychlorinated biphenyl PEL Permissible exposure limit or personal exposure limit PPB Parts per billion PPM Parts per million PPT Parts per trillion PPTh Parts per thousand PRP Potentially responsible party PS Point source PVC Polyvinyl chloride PWS... | |
 | John J. McKetta Jr - Science - 1998 - 594 pages
...Polychlorinated dibenzodioxin PCDF Polychlorinated dibenzofuran PIC Product of Incomplete Combustion ppb Parts per billion ppm Parts per million ppt Parts per trillion PRP Potentially Responsible Party (under CERCLA) PSPD Permits and State Programs Division (in OSWER)... | |
 | Kenneth R. Foster, David E. Bernstein, Peter William Huber - Causation - 1999 - 476 pages
...polymorphonuclear leukocytes (a kind of white blood cell) PMR proportionate mortality (morbidity) ratio ppb parts per billion ppm parts per million ppt parts per trillion RERF Radiation Effects Research Foundation RR relative risk SMR standardized mortality (or morbidity)... | |
 | Richard H. Guy - Medical - 1999 - 440 pages
...nuclear magnetic resonance NRC National Research Council pg picogram PIXE proton induced x-ray emission ppb Parts per billion ppm Parts per million ppt Parts per trillion RAST radioallergosorbent test ROS Reactive oxygen species SC stratum corneum SLS sodium laurylsulfate... | |
 | J.W. Hertrampf, F. Piedad-Pascual - Science - 2003 - 628 pages
...NPU = Net protein utilisation NRC = National Research Council (USA) PER = Protein efficiency ratio ppb = Parts per billion ppm = Parts per million ppt = Parts per trillion PUFA = Polyunsaturated fatty acid RNA = Ribonucleic acid SGR = Specific growth rate UBE = Used bleaching... | |
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PMR proportionate mortality ratio ppb parts per billion ppm parts per million ppt parts per trillion... 
