Code of Federal Regulations: Containing a Codification of Documents of General Applicability and Future Effect as of December 31, 1948, with Ancillaries and IndexDivision of the Federal Register, the National Archives, 2002 - Administrative law Special edition of the Federal Register, containing a codification of documents of general applicability and future effect ... with ancillaries. |
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Page 16
... extraction solvent is approved . 39 Nitrogen , Total Kjeldahl , Method PAI - DK01 ( Block Digestion , Steam Distillation , Titrimetric Detection ) , revised 12/22/94 , Perstop Analytical Corporation . 40 Nitrogen , Total Kjeldahl ...
... extraction solvent is approved . 39 Nitrogen , Total Kjeldahl , Method PAI - DK01 ( Block Digestion , Steam Distillation , Titrimetric Detection ) , revised 12/22/94 , Perstop Analytical Corporation . 40 Nitrogen , Total Kjeldahl ...
Page 29
... extraction . Exceptions to this optional preservation and holding time procedure are noted in footnote 5 ( re the ... Extracts may be stored up to 7 days before analysis if storage is conducted under an inert ( oxidant - free ) ...
... extraction . Exceptions to this optional preservation and holding time procedure are noted in footnote 5 ( re the ... Extracts may be stored up to 7 days before analysis if storage is conducted under an inert ( oxidant - free ) ...
Page 67
... extract produced by this method . 1.3 The method detection limit ( MDL , de- fined in Section 14.1 ) 1 for each parameter is listed in Table 1. The MDL for a specific wastewater may differ from those listed , de- pending upon the nature ...
... extract produced by this method . 1.3 The method detection limit ( MDL , de- fined in Section 14.1 ) 1 for each parameter is listed in Table 1. The MDL for a specific wastewater may differ from those listed , de- pending upon the nature ...
Page 68
... extract is dried and exchanged to 2 - propanol during concentration to a volume of 10 mL or less . The extract is separated by gas chroma- tography and the phenols are then measured with an FID.2 2.2 A preliminary sample wash under ...
... extract is dried and exchanged to 2 - propanol during concentration to a volume of 10 mL or less . The extract is separated by gas chroma- tography and the phenols are then measured with an FID.2 2.2 A preliminary sample wash under ...
Page 73
... extract in a 250- mL Erlenmeyer flask . 10.5 Add a second 60 - mL volume of meth- ylene chloride to the sample bottle and re- peat the extraction procedure a second time , combining the extracts in the Erlenmeyer flask . Perform a third ...
... extract in a 250- mL Erlenmeyer flask . 10.5 Add a second 60 - mL volume of meth- ylene chloride to the sample bottle and re- peat the extraction procedure a second time , combining the extracts in the Erlenmeyer flask . Perform a third ...
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Common terms and phrases
1,1,2-Trichloroethane 1,2-Dichloroethane 1,4-Dichlorobenzene acceptance criteria accuracy accuracy and precision Aldicarb aliquot analysis analyzed applicable approved boiling chips calculate calibration standards centration chemical chloramines chlorine chlorine dioxide Chloroethane cleanup column community water system compliance detector determined dilute disinfection distribution system drink water containing drinking water drinking water standards EPA Method extract filter filtration flask gas chromatograph GC/MS Giardia lamblia ground water Heptachlor hexane injection internal standard labeled compounds laboratory listed maximum contaminant level measured ment methylene chloride mg/L minimum monitoring owner or operator paragraph parameter performance permit ples plugging and abandonment procedure public water system purge pursuant QC check sample quirements reagent water Regional Administrator regulations requirements rinse Section 8.3 sodium sulfate solution solvent source water specified spike standard deviation stock standards subpart surface water Table technique tion trap treatment trihalomethanes turbidity violation wastewater µg/L
Popular passages
Page 608 - Indian country," as used in this chapter, means (a) all land within the limits of any Indian reservation under the jurisdiction of the United States Government, notwithstanding the issuance of any patent, and, including rights-of-way running through the reservation, (b) all dependent Indian communities within the borders of the United States whether within the original or subsequently acquired territory thereof, and whether within or without the limits of a state, and (c) all Indian allotments, the...
Page 319 - New vessel" refers to any vessel on which construction was initiated on or after January 30, 1975; (f) "Existing vessel" refers to any vessel on which construction was initiated before January 30, 1975; (g) "Fecal coliform bacteria" are those organisms associated with the intestines of warm-blooded animals that are commonly used to indicate the presence of fecal material and the potential presence of organisms capable of causing human disease. § 140.2 Scope of standard. The standard adopted herein...
Page 549 - public water system" means a system for the provision to the public of piped water for human consumption, if such system has at least fifteen service connections or regularly serves at least twenty-five individuals.
Page 56 - The toxlclty or carclnogeniolty of each reagent used in this method has not been precisely defined; however, each chemical compound should be treated as a potential health hazard. From this viewpoint, exposure to these chemicals must be reduced to the lowest possible level by whatever means available. The laboratory is responsible for maintaining a current awareness file of OSHA regulations regarding the safe handling of the chemicals specified in this method. A reference file of material data handling...
Page 686 - Site means the land or water area where any "facility or activity" is physically located or conducted, including adjacent land used in connection with the facility or activity. State means any of the 50 States, the District of Columbia, Guam, the Commonwealth of Puerto Rico, the Virgin Islands, American Samoa...
Page 608 - Facility means all contiguous land, and structures, other appurtenances, and improvements on the land, used for treating, storing, or disposing of hazardous waste. A facility may consist of several treatment, storage, or disposal operational units (eg, one or more landfills, surface impoundments, or combinations of them).
Page 166 - No 237 8-TCDO 34675 1746-01-6 the lowest possible level by whatever means available. The laboratory is responsible for maintaining a current awareness file of OSHA regulations regarding the safe handling of the chemicals specified in this method. A reference file of material data handling sheets should also be made available to all personnel involved in the chemical analysis.
Page 657 - In Witness Whereof, The Principal and Surety(ies) have executed this Performance Bond and have affixed their seals on the date set forth above. The persons whose signatures appear below hereby certify that they are authorized to execute this surety bond on behalf of the Principal and...
Page 159 - Add 60 mL of methylele chloride to the sample bottle, seal, and shake 30 s to rinse the inner surface. Transfer the solvent to the separatory funnel and extract the sample by shaking the funnel for 2 min with periodic venting to release excess pressure. Allow the organic layer to separate from the water phase for a minimum of 10 min. If the emulsion interface between layers is more than one-third the volume of the solvent layer, the analyst must employ mechanical techniques to complete the phase...
Page 167 - Wash exposed skin vigorously and repeatedly until medical attention is obtained. 5. Apparatus and Materials 5.1 Sampling equipment, for discrete or composite sampling. 5.1.1 Grab sample bottle— 1-L or 1-qt, amber glass, fitted with a screw cap lined with Teflon. Foil may be substituted for Teflon if the sample is not corrosive. If amber bottles are not available, protect samples from light. The bottle and cap liner must be washed, rinsed with acetone or methylene chloride, and dried before use...