180.940—Tolerance exemptions for active and inert ingredients for use in antimicrobial formulations (Food-contact surface sanitizing solutions).

Residues of the following chemical substances are exempted from the requirement of a tolerance when used in accordance with good manufacturing practice as ingredients in an antimicrobial pesticide formulation, provided that the substance is applied on a semi-permanent or permanent food-contact surface (other than being applied on food packaging) with adequate draining before contact with food.
(a) The following chemical substances when used as ingredients in an antimicrobial pesticide formulation may be applied to: Food-contact surfaces in public eating places, dairy-processing equipment, and food-processing equipment and utensils.
Pesticide Chemical CAS Reg. No. Limits
Acetic acid 64-19-7 When ready for use, the end-use concentration is not to exceed 290 ppm
α-alkyl-ω-hydroxypoly (oxypropylene) and/or poly (oxyethylene) polymers where the alkyl chain contains a minimum of six carbons 9002-92-0, 9004-95-9, 9005-00-9, 26183-52-8, 34398-01-1, 52292-17-8, 66455-14-9, 66455-15-0, 68002-97-1, 68131-39-5, 68131-40-8, 68154-96-1, 68213-23-0, 68439-45-2, 68439-46-3, 68526-94-3, 68439-50-9, 68439-49-6, 68551-12-2, 68951-67-7, 71243-46-4, 97043-91-9, 9043-30-5, 60828-78-6, 61827-42-7, 24938-91-8, 68439-54-3, 69011-36-5, 78330-20-8, 78330-21-9, 106232-83-1, 127036-24-2, 160875-66-1, 9004-98-2, 68920-66-1, 61804-34-0, 61791-28-4, 71060-57-6, 26468-86-0, 31726-34-8, 52609-19-5, 61791-20-6, 68155-01-1, 69013-19-0, 69364-63-2, 70879-83-3, 78330-19-5, 97953-22-5, 157627-86-6, 34398-05-5, 72905-87-4, 84133-50-6, 61702-78-1, 27306-79-2, 169107-21-5, 61791-13-7, 39587-22-9, 85422-93-1; 68154-98-3, 61725-89-1, 68002-96-0, 68154-97-2, 68439-51-0, 68551-13-3, 68603-25-8, 68937-66-6, 68987-81-5, 69227-21-0, 70750-27-5, 103818-93-5, 166736-08-9, 120313-48-6, 68213-24-1, 68458-88-8, 68551-14-4, 69013-18-9, 69227-22-1, 72854-13-8, 73049-34-0, 78330-23-1, 37311-02-7, 64366-70-7, 37251-67-5, 9087-53-0, 196823-11-7, 57679-21-7, 111905-54-5, 61827-84-7, 172588-43-1) None
Ammonium chloride 12125-02-9 When ready for use, the end-use concentration is not to exceed 48 ppm
Code of Federal Regulations 674
Amylopectin, acid-hydrolyzed, 1-oxtenylbutanedioate 113894-85-2 None
Amylopectin, hydrogen 1-octadecenylbutanedioate 125109-81-1 None
Ethanol 64-17-5 None
Ethylenediaminetetraacetic acid (EDTA), tetrasodium salt 64-02-8 None
Hydrogen peroxide 7722-84-1 When ready for use, the end-use concentration is not to exceed 91 ppm
Hypochlorous acid, sodium salt 7681-52-9 When ready for use, the end-use concentration of all hypochlorous acid chemicals in the solution is not to exceed 200 ppm determined as total available chlorine
Iodine 7553-56-2 When ready for use, the total end-use concentration of all iodide-producing chemicals in the solution is not to exceed 25 ppm of titratable iodine
Magnesium oxide 1309-48-4 None
Methylene blue 61-73-4 When ready for use, the end-use concentration is not to exceed 0.4 ppm
α-(p-Nonylphenyl)-ω-hydroxypoly (oxyethylene) average poly(oxyethylene) content 11 moles) None None
Octadecanoic acid, calcium salt 1592-23-0 None
1-Octanesulfonic acid, sodium salt 5324-84-5 When ready for use, the end-use concentration is not to exceed 46 ppm
Octanoic acid 124-07-2 When ready for use, the end-use concentration is not to exceed 52 ppm
Oxirane, methyl-, polymer with oxirane, minimum molecular weight (in amu), 1900 9003-11-6 None
Peroxyacetic acid 79-21-0 When ready for use, the end-use concentration is not to exceed 58 ppm
Peroxyoctanoic acid 33734-57-5 When ready for use, the end-use concentration is not to exceed 52 ppm
Phosphonic acid, (1-hydroxyethylidene)bis- 2809-21-4 When ready for use, the end-use concentration is not to exceed 14 ppm
Phosphoric acid, trisodium salt 7601-54-9 When ready for use, the end-use concentration is not to exceed 5916 ppm
Potassium bromide 7758-02-3 When ready for use, the end-use concentration is not to exceed 46 ppm total available halogen
Potassium iodide 7681-11-0 When ready for use, the total end-use concentration of all iodide-producing chemicals in the solution is not to exceed 25 ppm of titratable iodine
Quaternary ammonium compounds, alkyl (C12-C18) benzyldimethyl, chlorides 8001-54-5 When ready for use, the end-use concentration of all quaternary chemicals in the solution is not to exceed 200 ppm of active quaternary compound
Quaternary ammonium compounds: n-alkyl (C12-18) dimethyl benzyl ammonium chloride 68424-85-1 When ready for use, the end-use concentration of all quaternary chemicals in solution is not to exceed 400 ppm of active quaternary compound
Quaternary Ammonium Compounds: n-alkyl (C 12-14) dimethyl ethylbenzyl ammonium chloride, average molecular weight (in amu), 377 to 384 85409-23-0 When ready for use, the end-use concentration of all quaternary chemicals in solution is not to exceed 400 ppm of active quaternary compound.
Quaternary ammonium compounds n-alkyl (C12-C18) dimethyl ethylbenzyl ammonium chloride average molecular weight (in amu) 384 None When ready for use, the end-use concentration of all quaternary chemicals in the solution is not to exceed 200 ppm of active quaternary compound
Quaternary ammonium compounds, Di-n-Alkyl (C8-10) dimethyl ammonium chloride, average molecular weight (in amu) 332 to 361 None When ready for use, the end-use concentration of these specific in quaternary ammonium compounds is not to exceed 240 ppm of active quaternary ammonium compound; the end-use concentration of all quaternary chemicals in the solution is not to exceed 400 ppm of active quaternary compound
Quaternary ammonium compounds, didecyl dimethyl ammonium carbonate/didecyl dimethyl ammonium bicarbonate 148788-55-0/148812-654-1 When ready for use, the end-use concentration of these specific ammonium compounds is not to exceed 240 ppm of active quaternary ammonium compound
Silver ions resulting from the use of electrolytically-generated silver ions stabilized in citric acid as silver dihydrogen citrate (does not include metallic silver) 14701-21-4 When ready for use, the end-use concentration of silver ions is not to exceed 50 ppm of active silver
Code of Federal Regulations 675
Sulfuric acid monododecyl ester, sodium salt (sodium lauryl sulfate) 151-21-3 When ready for use, the end-use concentration is not to exceed 350 ppm
1,3,5-Triazine-2,4,6(1H,3H,5H)-trione, 1,3-dichloro-, sodium salt 2893-78-9 When ready for use, the end-use concentration of all di- or trichloroisocyanuric acid chemicals in the solution is not to exceed 100 ppm determined as total available chlorine
(b) The following chemical substances when used as ingredients in an antimicrobial pesticide formulation may be applied to: Dairy processing equipment, and food-processing equipment and utensils.
Pesticide Chemical CAS Reg. No. Limits
Acetic acid 64-19-7 When ready for use, the end-use concentration is not to exceed 686 ppm
Acetic acid, chloro-, sodium salt, reaction products with 4,5-dihydro-2-undecyl-1H-imidazole-1-ethanol and sodium hydroxide 68608-66-2 When ready for use, the end-use concentration is not to exceed 42 ppm chloroacetic acid
Benzenesulfonic acid, dodecyl- 27176-87-0 When ready for use, the end-use concentration is not to exceed 5.5 ppm
Butanedioic acid, octenyl- 28805-58-5 When ready for use, the end-use concentration is not to exceed 156 ppm
Butoxy monoether of mixed (ethylene-propylene) polyalkylene glycol, minimum average molecular weight (in amu), 2400 None None
Calcium chloride 10043-52-4 When ready for use, the end-use concentration is not to exceed 17 ppm
n-Carboxylic acids (C6-C12), consisting of a mixture of not less than 56% octanoic acid and not less than 40% decanoic acid None When ready for use, the end-use concentration is not to exceed 39 ppm
Decanoic acid 334-48-5 When ready for use, the end-use concentration is not to exceed 90 ppm
Ethanesulfonic acid, 2-[cyclohexyl (1-oxohexadecyl) amino]-, sodium salt 132-43-4 When ready for use, the end-use concentration is not to exceed 237 ppm
Ethylenediaminetetraacetic acid (EDTA), disodium salt 139-33-3 When ready for use, the end-use concentration is not to exceed 1400 ppm
FD&C Yellow No. 5 (Tartrazine) (conforming to 21 CFR 74.705 ) 1934-21-0 None
D-Gluconic acid, monosodium salt 527-07-1 When ready for use, the end-use concentration is not to exceed 760 ppm
Hydriodic acid 10034-85-2 When ready for use, the total end-use concentration of all iodide-producing chemicals is not to exceed 25 ppm of titratable iodine
Hydrogen peroxide 7722-84-1 When ready for use, the end-use concentration is not to exceed 465 ppm
Hypochlorous acid 7790-92-3 When ready for use, the end-use concentration of all hypochlorous acid chemicals in the solution is not to exceed 200 ppm determined as total available chlorine
Iodine 7553-56-2 When ready for use, the total end-use concentration of all iodide-producing chemicals in the solution is not to exceed 25 ppm of titratable iodine
Lactic acid 50-21-5 When ready for use, the end-use concentration is not to exceed 138 ppm
Nonanoic acid 112-05-0 When ready for use, the end-use concentration is not to exceed 90 ppm
1-Octanamine, N,N-dimethyl- 7378-99-6 When ready for use, the end-use concentration is not to exceed 113 ppm
1,2-Octanedisulfonic acid 113669-58-2 When ready for use, the end-use concentration is not to exceed 102 ppm
1-Octanesulfonic acid 3944-72-7 When ready for use, the end-use concentration is not to exceed 172 ppm
1-Octanesulfonic acid, sodium salt 5324-84-5 When ready for use, the end-use concentration is not to exceed 297 ppm
1-Octanesulfonic acid, 2-sulfino- 113652-56-5 When ready for use, the end-use concentration is not to exceed 102 ppm
Octanoic acid 124-07-2 When ready for use, the end-use concentration is not to exceed 176 ppm
Code of Federal Regulations 676
Oxychloro species (including chlorine dioxide) generated by acidification of an aqueous solution of sodium chlorite None When ready for use, the end-use concentration is not to exceed 200 ppm of chlorine dioxide as determined by the method titled, Iodometric Method for the Determination of Available Chlorine Dioxide (50-250 ppm available chlorine dioxide)
Peroxyacetic acid 79-21-0 When ready for use, the end-use concentration is not to exceed 315 ppm
Peroxyoctanoic acid 33734-57-5 When ready for use, the end-use concentration is not to exceed 122 ppm
Phosphonic acid, (1-hydroxyethylidene)bis- 2809-21-4 When ready for use, the end-use concentration is not to exceed 34 ppm
Phosphoric acid 7664-38-2 None
Phosphoric acid, monosodium salt 7558-80-7 When ready for use, the end-use concentration is not to exceed 350 ppm
Potassium iodide 7681-11-0 When ready for use, the total end-use concentration of all iodide-producing chemicals in the solution is not to exceed 25 ppm of titratable iodine
Propanoic acid 79-09-4 When ready for use, the end-use concentration is not to exceed 297 ppm
2,6-Pyridinedicarboxylic acid 499-83-2 When ready for use, the end-use concentration is not to exceed 1.2 ppm
Sulfuric acid 7664-93-9 When ready for use, the end-use concentration is not to exceed 288 ppm
Sulfuric acid monododecyl ester, sodium salt (sodium lauryl sulfate) 151-21-3 When ready for use, the end-use concentration is not to exceed 350 ppm
(c) The following chemical substances when used as ingredients in an antimicrobial pesticide formulation may be applied to: Food-processing equipment and utensils.
Pesticide Chemical CAS Reg. No. Limits
Acetic acid 64-19-7 When ready for use, the end-use concentration is not to exceed 686 ppm
Acetic acid, chloro-, sodium salt, reaction products with 4,5-dihydro-2-undecyl-1H-imidazole-1-ethanol and sodium hydroxide 68608-66-2 When ready for use, the end-use concentration is not to exceed 42 ppm chloroacetic acid
Ammonium chloride 12125-02-9 When ready for use, the end-use concentration is not to exceed 48 ppm
Benzenesulfonic acid, dodecyl- 27176-87-0 When ready for use, the end-use concentration is not to exceed 400 ppm
Benzenesulfonic acid, dodecyl-, sodium salt 25155-30-0 When ready for use, the end-use concentration is not to exceed 430 ppm
[1,1′-Biphenyl]-2-ol 90-43-7 When ready for use, the end-use concentration is not to exceed 400 ppm
Boric acid, sodium salt 7775-19-1 None
Butanedioic acid, octenyl- 28805-58-5 When ready for use, the end-use concentration is not to exceed 156 ppm
Butanedioic acid, sulfo-, 1,4-dioctyl ester, sodium salt 1639-66-3 None
Butoxy monoether of mixed (ethylene-propylene) polyalkylene glycol, cloudpoint of 90 - 100oC in 0.5 aqueous solution, average molecular weight (in amu), 3300 None None
Butoxy monoether of mixed (ethylene-propylene) polyalkylene glycol, minimum average molecular weight (in amu), 2400 None None
Calcium chloride 10043-52-4 When ready for use, the end-use concentration is not to exceed 17 ppm
n-Carboxylic acids (C6-C12), consisting of a mixture of not less than 56% octanoic acid and not less than 40% decanoic acid None When ready for use, the end-use concentration is not to exceed 39 ppm
3-Cyclohexene-1-methanol,α,α,4-trimethyl- 98-55-5 None
1-Decanaminium, N-decyl-N, N-dimethyl-, chloride 7173-51-5 When ready for use, the end-use concentration is not to exceed 200 ppm of active quaternary compound
Decanoic acid 3347-48-5 When ready for use, the end-use concentration is not to exceed 234 ppm
Code of Federal Regulations 677
Ethanesulfonic acid, 2-[cyclohexyl (1-oxohexadecyl) amino]-, sodium salt 132-43-4 When ready for use, the end-use concentration is not to exceed 237 ppm
Ethanol 64-17-5 None
Ethanol, 2 butoxy- 111-76-2 None
Ethanol, 2-(2-ethoxyethoxy)- 111-90-0 None
Ethylenediaminetetraacetic acid (EDTA), disodium salt 139-33-3 When ready for use, the end-use concentration is not to exceed 1400 ppm
Ethylenediaminetetraacetic acid (EDTA), tetrasodium salt 64-02-8 None
Fatty acids, coco, potassium salts 61789-30-8 None
Fatty acids, tall-oil, sulfonated, sodium salts 68309-27-3 When ready for use, the end-use concentration is not to exceed 66 ppm
FD&C Yellow No. 5 (Tartrazine) (conforming to 21 CFR 74.705 ) 1934-21-0 None
D-Gluconic acid, monosodium salt 527-07-1 When ready for use, the end-use concentration is not to exceed 760 ppm
Hydriodic acid 10034-85-2 When ready for use, the total end-use concentration of all iodide-producing chemicals in the solution is not to exceed 25 ppm of titratable iodine
Hydrogen peroxide 7722-84-1 When ready for use, the end-use concentration is not to exceed 1100 ppm
Hypochlorous acid 7790-92-3 When ready for use, the end-use concentration of all hypochlorous acid chemicals in the solution is not to exceed 200 ppm determined as total available chlorine
Hypochlorous acid, calcium salt 7778-54-3 When ready for use, the end-use concentration of all hypochlorous acid chemicals in the solution is not to exceed 200 ppm determined as total available chlorine
Hypochlorous acid, lithium salt 13840-33-0 When ready for use, the end-use concentration of all hypochlorous acid chemicals in the solution is not to exceed 200 ppm determined as total available chlorine and 30 ppm lithium
Hypochlorous acid, potassium salt 7778-66-7 When ready for use, the end-use concentration of all hypochlorous acid chemicals in the solution is not to exceed 200 ppm determined as total available chlorine
Hypochlorous acid, sodium salt 7681-52-9 When ready for use, the end-use concentration of all hypochlorous acid chemicals in the solution is not to exceed 200 ppm determined as total available chlorine
Iodine 7553-56-2 When ready for use, the total end-use concentration of all iodide-producing chemicals in the solution is not to exceed 25 ppm of titratable iodine
Lactic acid 50-21-5 None
Magnesium oxide 1309-48-4 None
Methylene blue 61-73-4 When ready for use, the end-use concentration is not to exceed 0.4 ppm
Neodecanoic acid 26896-20-8 When ready for use, the end-use concentration is not to exceed 174 ppm
Nonanoic acid 112-05-0 When ready for use, the end-use concentration is not to exceed 90 ppm
α-(p-Nonylphenyl)-ω-hydroxypoly (oxyethylene) maximum average molecular weight (in amu), 748 None None
α-(p-Nonylphenol)-ω-hydroxypoly (oxyethylene) average poly(oxyethylene) content 11 moles None None
α-(p-Nonylphenyl)-ω-hydroxypoly (oxyethylene) produced by the condensation of 1 mole p-nonylphenol with 9 to 12 moles ethylene oxide None None
α-(p-Nonylphenyl)-ω-hydroxypoly (oxyethylene), 9 to 13 moles ethylene oxide None None
Octadecanoic acid, calcium salt 1592-23-0 None
9-Octadecenoic acid (9Z)-, sulfonated 68988-76-1 When ready for use, the end-use concentration is not to exceed 312 ppm
9-Octadecenoic acid (9Z)-sulfonated, sodium salts 68443-05-0 When ready for use, the end-use concentration is not to exceed 200 ppm
1-Octanamine, N,N-dimethyl- 7378-99-6 When ready for use, the end-use concentration is not to exceed 113 ppm
1,2-Octanedisulfonic acid 113669-58-2 When ready for use, the end-use concentration is not to exceed 102 ppm
Code of Federal Regulations 678
1-Octanesulfonic acid 3944-72-7 When ready for use, the end-use concentration is not to exceed 172 ppm
1-Octanesulfonic acid, sodium salt 5324-84-5 When ready for use, the end-use concentration is not to exceed 312 ppm
1-Octanesulfonic acid, 2-sulfino- 113652-56-5 When ready for use, the end-use concentration is not to exceed 102 ppm
Octanoic acid 124-07-2 When ready for use, the end-use concentration is not to exceed 234 ppm
Oxirane, methyl-, polymer with oxirane, minimum molecular weight (in amu), 1900 9003-11-6 None
Oxirane, methyl-, polymer with oxirane, block, average molecular weight (in amu), 1900 106392-12-5 None
Oxirane, methyl-, polymer with oxirane, block, minimum average molecular weight (in amu), 2000 None None
Oxirane, methyl-, polymer with oxirane, block, 27 to 31 moles of polyoxypropylene, average molecular weight (in amu) 2000 None None
Oxychloro species (predominantly chlorite, chlorate and chlorine dioxide in an equilibrium mixture) generated either (i) by directly metering a concentrated chlorine dioxide solution prepared just prior to use, into potable water, or (ii) by acidification of an aqueous alkaline solution of oxychloro species (predominately chlorite and chlorate) followed by dilution with potable water None When ready for use, the end-use concentration is not to exceed 200 ppm of chlorine dioxide as determined by the method titled, “Iodometric Method for the Determination of Available Chlorine Dioxide (50-250 ppm available chlorine dioxide)”
Oxychloro species (including chlorine dioxide) generated by acidification of an aqueous solution of sodium chlorite None When ready for use, the end-use concentration is not to exceed 200 ppm of chlorine dioxide as determined by the method titled, “Iodometric Method for the Determination of Available Chlorine Dioxide (50-250 ppm available chlorine dioxide)”
2,4-Pentanediol, 2-methyl- 107-41-5 None
Peroxyacetic acid 79-21-0 When ready for use, the end-use concentration is not to exceed 315 ppm
Peroxyoctanoic acid 33734-57-5 When ready for use, the end-use concentration is not to exceed 122 ppm
Phenol, 4-chloro-2-(phenylmethyl)- 120-32-1 When ready for use, the end-use concentration is not to exceed 320 ppm
Phenol, 4-(1,1-dimethylpropyl)- 80-46-6 When ready for use, the end-use concentration is not to exceed 80 ppm
Phosphonic acid, (1-hydroxyethylidene)bis- 2809-21-4 When ready for use, the end-use concentration is not to exceed 34 ppm
Phosphoric acid 7664-38-2 None
Phosphoric acid, monosodium salt 7558-80-7 When ready for use, the end-use concentration is not to exceed 350 ppm
Phosphoric acid, trisodium salt 7601-54-9 When ready for use, the end-use concentration is not to exceed 5916 ppm
Poly(oxy-1,2-ethanediyl), α-[(1,1,3,3-tetramethylbutyl) phenyl]-ω-hydroxy-, produced with one mole of the phenol and 4 to 14 moles ethylene oxide None None
Potassium bromide 7758-02-3 When ready for use, the end-use concentration of all bromide-producing chemicals in the solution is not to exceed 200 ppm total available halogen
Potassium iodide 7681-11-0 When ready for use, the total end-use concentration of all iodide-producing chemicals in the solution is not to exceed 25 ppm of titratable iodine
Propanoic acid 79-09-4 When ready for use, the end-use concentration is not to exceed 297 ppm
2,6-Pyridinedicarboxylic acid 499-83-2 When ready for use, the end-use concentration is not to exceed 1.2 ppm
Quaternary ammonium compounds, alkyl (C12-C18) benzyldimethyl, chlorides 8001-54-5 When ready for use, the end-use concentration of this specific quaternary compound is not to exceed 200 ppm within the end-use total concentration that is not to exceed 400 ppm active quaternary compound
Quaternary ammonium compounds, n-alkyl (C12-C14) dimethyl ethylbenzyl ammonium chloride, average molecular weight (in amu), 377 to 384 None When ready for use, the end-use concentration of this specific quaternary compound is not to exceed 200 ppm within the end-use total concentration that is not to exceed 400 ppm active quaternary compound
Code of Federal Regulations 679
Quaternary ammonium compounds, n-alkyl (C12-C18) dimethyl ethylbenzyl ammonium chloride average molecular weight (in amu) 384 None When ready for use, the end-use concentration of this specific quaternary compound is not to exceed 200 ppm within the end-use total concentration that is not to exceed 400 ppm active quaternary compound
Quaternary ammonium compounds, di-n-Alkyl (C8-C10) dimethyl ammonium chloride, average molecular weight (in amu), 332 to 361 None When ready for use, the end-use concentration of this specific quaternary compound is not to exceed 240 ppm within the end-use total concentration that is not to exceed 400 ppm active quaternary compound
Sodium-α-alkyl(C12-C15)-ω-hydroxypoly (oxyethylene) sulfate with the poly(oxyethylene) content averaging one mole None None
Sodium bromide 7647-15-6 When ready for use, the end-use concentration of all bromide-producing chemicals in the solution is not to exceed 200 ppm total available halogen
Sodium iodide 7681-82-5 When ready for use, the total end-use concentration of all iodide-producing chemicals in the solution is not to exceed 25 ppm of titratable iodine
Sulfuric acid 7664-93-9 When ready for use, the end-use concentration is not to exceed 228 ppm
Sulfuric acid monododecyl ester, sodium salt (sodium lauryl sulfate) 151-21-3 None
1,3,5-Triazine-2,4,6(1H,3H,5H)-trione, 1,3-dichloro- 2782-57-2 When ready for use, the end-use concentration of all di- or trichloroisocyanuric acid chemicals in the solution is not to exceed 100 ppm determined as total available chlorine
1,3,5-Triazine-2,4,6(1H,3H,5H)-trione, 1,3-dichloro-, potassium salt 2244-21-5 When ready for use, the end-use concentration of all di- or trichloroisocyanuric acid chemicals in the solution is not to exceed 100 ppm determined as total available chlorine
1,3,5-Triazine-2,4,6(1H,3H,5H)-trione, 1,3-dichloro-, sodium salt 2893-78-9 When ready for use, the end-use concentration of all di- or trichloroisocyanuric acid chemicals in the solution is not to exceed 100 ppm determined as total available chlorine
1,3,5-Triazine-2,4,6(1H,3H,5H)-trione, 1,3,5-trichloro- 87-90-1 When ready for use, the end-use concentration of all di- or trichloroisocyanuric acid chemicals in the solution is not to exceed 100 ppm determined as total available chlorine
1,3,5-Triazine, N,N′,N″-trichloro-2,4,6-triamino- 7673-09-8 When ready for use, the end-use concentration of all di- or trichloroisocyanuric acid chemicals in the solution is not to exceed 200 ppm determined as total available chlorine
Xylenesulfonic acid, sodium salt 1300-72-7 When ready for use, the end-use concentration is not to exceed 62 ppm

Code of Federal Regulations

[69 FR 23136, Apr. 28, 2004, as amended at 71 FR 30811, May 31, 2006; 71 FR 45423, Aug. 9, 2006; 71 FR 46125, Aug. 11, 2006; 72 FR 51186, Sept. 6, 2007; 73 FR 37858, July 2, 2008; 73 FR 49107, Aug. 20, 2008; 73 FR 53725, Sept. 17, 2008; 74 FR 27454, June 10, 2009; 74 FR 38944, Aug. 5, 2009; 74 FR 40509, Aug. 12, 2009; 75 FR 40735, July 14, 2010]