Glossary and References
ANSIAmerican National Standards Institute
1430 Broadway, New York, NY 10018
Phone: 212-354-3300
CFRCode of Federal Regulations, usually cited as part of a reference to a regulation, such as 29 CFR 1910.1450(b) meaning subpart 1450(b) of part 1910 of title 29 of the code of federal regulations
CHOChemical Hygiene Officer
CHP Chemical Hygiene Plan
DOTDepartment of Transportation
EPAEnvironmental Protection Agency
Hotline Phone: 1-800-424-9346
FR Federal Register, the "Nation's Newspaper", usually cited as FR 55, 3312 (January 31, 1990), meaning Volume 55 (the volume for the year 1990), page 3312 of the issue dated January 31, 1990.
HCSHazard Communication Standard, 29 CFR 1910.1200
LSLaboratory Supervisor
MSDS,MSDSsMaterial Safety Data Sheet(s)
NFPANational Fire Protection Association
Batterymarch Park, Quincy, MA 02269
Phone: 800-343-2201
OSHA Occupational Safety and Health Administration
200 Constitution Avenue, Washington, DC 20010
Phone: 202-523-6091
PELPermissible Exposure Limit
PI Principal Investigator
RCRA Resource Conservation and Recovery Act
Phone: 202-475-9361
STL Supervisor, Teaching Laboratory
TIRC Toxicology Information Resource Center
Oak Ridge, TN 37830
Phone: 615- 576-1746
TLVThreshold Limit Value
Z (subpart Z) That part of the OSHA standards dealing with toxic and hazardous substances, 29 CFR 1910.1000 through 1910.1500
  1. Select carcinogen - Any substance defined as such in 29 CFR 1910.1450 and any other substance described as such in the applicable MSDS.
  2. Reproductive toxin - Any substance described as such in the applicable MSDS. This includes descriptive terms such as tetraogen, causes fetal abortion, mutagen or reproductive toxin.
  3. Substance with a high degree of acute toxicity - Any substance for which the LD50 data described in the applicable MSDS cause the substance to be classified as a "Highly toxic chemical" as defined in ANSI Z129.1.
  4. Chemical whose toxic properties are unknown - A chemical for which there is no known statistically significant study conducted in accordance with established scientific principles that establishes its toxicity.
  5. For the purposes of this CHP, chemicals in these four categories will be called "inimical."
  6. Designated area - A hood, glove box, portion of a laboratory, or an entire laboratory room, designated as the only area where work with quantities of the inimical chemicals in excess of the limit specified above shall be conducted.