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Title 22 ronmental Health Standards—Hazardous to In addition to the sampling methods in chapter nine of SW -846, the De- partment will consider samples obtained using any of the other applicable sampling methods specified in Appendix I of this chapter to be represen- tative samples. NOTE: Authority cited: Sections 208, 25141 and 25159, Health and Safety Code. Reference: Sections 25141, 25159 and 25159.5, Health and Safety Code and 40 CFR Section 261.20. HISrORY 1. New section filed 5-24-91; effective 7-1-91 (Register 91, No. 22). § 66261.21. Characteristic of Ignitability. (a) A waste exhibits the characteristic of ignitability if representative samples of the waste have any of the following properties: (1) it is a liquid, other than an aqueous solution containing less than 24 percent alcohol by volume, and has a flash point less than 60°C (140°F), as determined by a Pensky-Martens Closed Cup Tester, using the test method specified in ASTM Standard D-93-79 or D-93-80 (incorpo- rated by reference, see section 66260.11), or a Setaflash Closed Cup Tes- ter, using the test method specked in ASTM Standard D-3278-78 (in- corporated by reference, see section 66260.11), or as determined by an equivalent test method approved by the Department pursuant to section 66260.21; (2) it is not a liquid and is capable, under standard temperature and pressure, of causing fire through friction, absorption of moisture or spon- taneous chemical changes and, when ignited, burns so vigorously and persistently that it creates a hazard; (3) it is an ignitable compressed gas as defined in 49 CFR section 173.300 (as amended September 30, 1982) and as determined by the test methods described in that regulation or equivalent test methods approved by the Department pursuant to section 66260.21; (4) it is an oxidizer as defined in 49 CFR section 173.151 (as amended May 31, 1979). (b) A waste that exhibits the characteristic of ignitability has the EPA Hazardous Waste Number of D001. NOTE: Authority cited: Sections 208, 25141 and 25159, Health and Safety Code. Reference: Sections 25117, 25120.2, 25141, 25159 and 25159.5, Health and Safe- ty Code and 40 CFR Section 261.21. HISTORY 1. New section filed 5-24-91; effective 7-1-91 (Register 91, No. 22). § 66261.22. Characteristic of Corrosivity. (a) A waste exhibits the characteristic of corrosivity if representative samples of the waste have any of the following properties: (1) it is aqueous and has a pH less than or equal to 2 or greater than or equal to 12.5, as determined by a pH meter using either the EPA test meth- od for pH or an equivalent test method approved by the Department pur- suant to section 66260.21. The EPA test method for pH is specified as Method 9040 in "Test Methods for Evaluating Solid Waste, Physical/ Chemical Methods," SW -846, 3rd edition, U.S. Environmental Protec- tion Agency, 1986 (incorporated by reference, see section 66260.11); (2) it is a liquid and corrodes steel (SAE 1020) at a rate greater than 6.35 mm (0.250 inch) per year at a test temperature of 55°C (130°F) as determined by the test method specified in NACE Standard TM -01-69 as standardized in "Test Methods for Evaluating Solid Waste, Physical/ Chemical Methods," SW -846, 3rd edition, U.S. Environmental Protec- tion Agency, 1986 (incorporated by reference, see section 66260.11) or an equivalent test method approved by the Department pursuant to sec- tion 66260.21; (3) it is not aqueous and, when mixed with an equivalent weight of wa- ter, produces a solution having a pH less than or equal to 2 or greater than or equal to 12.5, as determined by a pH meter using either Method 9040 in "Test Methods for Evaluating Solid Waste, Physical/Chemical Meth- ods," SW -846, 3rd edition, U.S. Environmental Protection Agency, 1986 (incorporated by reference, see section 66260.11) or an equivalent test method approved by the Department pursuant to 66260.21; (4) it is not a liquid and, when mixed with an equivalent weight of wa- ter, produces a liquid that corrodes steel (SAE 1020) at a rate greater than § 66261.24 6.35 mm (0.250 inch) per year at a test temperature of 55°C (130°F) as determined by the test method specified in NACE Standard TM -01-69 as standardized in "Test Methods for Evaluating Solid Waste, Physical/ Chemical Methods," SW -846, 3rd edition, U.S. Environmental Protec- tion Agency, 1986 (incorporated by reference, see section 66260.11) or an equivalent test method approved by the Department pursuant to 66260.21. (b) A waste that exhibits the characteristic of corrosivity specified in subsection (a)(1) or (a)(2) of this section has the EPA Hazardous Waste Number of D002. No -m: Authority cited: Sections 208, 25141 and 25159, Health and Safety Code. Reference: Sections 25117, 25120.2, 25141, 25159 and 25159.5, Health and Safe- ty Code and 40 CFR Section 261.22. HISTORY 1. New section filed 5-24-91; effective 7-1-91 (Register 91, No. 22). § 66261.23. Characteristic of Reactivity. (a) A waste exhibits the characteristic of reactivity if representative samples of the waste have any of the following properties: (1) it is normally unstable and readily undergoes violent change with- out detonating; (2) it reacts violently with water, (3) it forms potentially explosive mixtures with water, (4) when mixed with water, it generates toxic gases, vapors or fumes in a quantity sufficient to present a danger to human health or the environ- ment; (5) it is a cyanide or sulfide bearing waste which, when exposed to pH conditions between 2 and 12.5, can generate toxic gases, vapors or fumes in a quantity sufficient to present a danger to human health or the environ- ment; (6) it is capable of detonation or explosive reaction if it is subjected to a strong initiating source or if heated under confinement; (7) it is readily capable of detonation or explosive decomposition or reaction at standard temperature and pressure; (8) it is a forbidden explosive as defined in 49 CFR section 173.51 (as amended April 20, 1987), or a Class A explosive as defined in 49 CFR section 173.53 (as amended April 5, 1967) or a Class B explosive as de- fined in 49 CFR section 173.88 (as amended May 19, 1980). (b) A waste that exhibits the characteristic of reactivity has the EPA Hazardous Waste Number of D003. NoTE: Authority cited: Sections 208, 25141 and 25159, Health and Safety Code. Reference: Sections 25117, 25120.2, 25141, 25159 and 25159.5, Health and Safe- ty Code and 40 CFR Section 261.23. HISTORY 1. New section filed 5-24-91; effective 7-1-91 (Register 91, No. 22). § 66261.24. Characteristic of Toxicity. (a) A waste exhibits the characteristic of toxicity if representative sam- ples of the waste have any of the following properties: (1) when using the Toxicity Characteristic Leaching Procedure (TCLP) in Appendix I of chapter 18 of this division or equivalent meth- ods approved by the Department under the procedures set forth in section 66260.2 1, the extracts from representative samples of the waste contain any of the contaminants listed in Table I of this section at a concentration equal to or greater than the respective value given in that table unless the waste is excluded from classification as a solid waste or hazardous waste or is exempted from regulation pursuant to 40 CFR section 261.4. Where the waste contains less than 0.5 percent filterable solids, the waste itself, after filtering, is considered to be the extract for the purposes of this sec- tion; (A) a waste that exhibits the characteristic of toxicity pursuant to sub- section (a)(1) of this section has the EPA Hazardous Waste Number spe- cified in Table I of this section which corresponds to the toxic contami- nant causing it to be hazardous; (B) Table I- Maximum Concentration of Contaminants for the Toxic- ity Characteristic: Page 655 Regista 91. No. 22; 5-31-91