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PA Bulletin, Doc. No. 11-1043

RULES AND REGULATIONS

Title 25—ENVIRONMENTAL PROTECTION

DELAWARE RIVER BASIN COMMISSION

[ 25 PA. CODE CH. 901 ]

Amendments to the Water Quality Regulations, Water Code and Comprehensive Plan to Update Water Quality Criteria for Toxic Pollutants in the Delaware Estuary and Extend These Criteria to Delaware Bay

[41 Pa.B. 3187]
[Saturday, June 25, 2011]

Summary:

 By Resolution No. 2010-13 on December 8, 2010, the Delaware River Basin Commission (DRBC or ''Commission'') approved amendments to its Water Quality Regulations, Water Code and Comprehensive Plan to update the Commission's human health and aquatic life stream quality objectives (also called ''water quality criteria'') for toxic pollutants in the Delaware Estuary (DRBC Water Quality Zones 2 through 5) and extended application of the criteria to Delaware Bay (DRBC Water Quality Zone 6).

Effective Date:

 Upon publication in the Pennsylvania Bulletin. The rule was incorporated by reference into the Code of Federal Regulations effective March 23, 2011.

Supplemental Information:

 The Delaware River Basin Commission is a federal-state regional agency charged with managing the water resources of the Delaware River Basin without regard to political boundaries. Its members are the governors of the four basin states—Delaware, New Jersey, New York, and Pennsylvania—and the North Atlantic Division Commander of the U.S. Army Corps of Engineers, representing the federal government.

 Notice of the proposed amendments appeared in the Pennsylvania Bulletin (40 Pa.B. 4278) on July 31, 2010, as well as in the Federal Register (75 FR 41106) on July 15, 2010, the Delaware Register of Regulations (14 DE Reg. 70-83 (08/01/2010)) on August 1, 2010, the New Jersey Register (42 N.J.R. 1702(a)) on August 4, 2010, and the New York State Register (p. 6) on July 21, 2010. A public hearing was held on September 23, 2010 and written comments were accepted through October 1, 2010. The commission received two written submissions and no oral testimony on the proposed changes. The Commission made minor revisions to the proposed amendments in response to the comments received. A comment and response document setting forth the Commission's responses and revisions in detail was approved by the Commission simultaneously with adoption of the final rule.

 Resolution No. 2010-13, the text of the final rule, a copy of the comment and response document, and a basis and background document published simultaneously with the proposed rule are available on the Commission's web site, at http://www.state.nj.us/drbc/toxics_info.htm.

Rule Text:

 DRBC Resolution No. 2010-13 amends Article 3 of the Water Code and Article 3 of the Administrative Manual—Part III Water Quality Regulations as set forth below. Additions are printed in BOLD FACE and deletions are printed in [BOLD FACE ENCLOSED IN BRACKETS]. BOLD FACE UNDERSCORE indicates changes made in response to comments received during the public comment period. Asterisks indicate ellipsis of rule text retained without changes. [Editor's instructions appear in normal text in brackets.]

Section 3.10.3 Stream Quality Objectives

*  *  *  *  *

 C. Aquatic Life Objectives for Toxic Pollutants. It is the policy of the Commission to designate numerical stream quality objectives for the protection of aquatic life for the Delaware River Estuary and Bay (Zones 2 through 6 [5]) which correspond to the designated uses of each zone. Aquatic life objectives for the protection from both acute and chronic effects are herein established on a pollutant-specific basis for:

*  *  *  *  *

 D. Human Health Objectives for Toxic Pollutants. It is the policy of the Commission to designate numerical stream quality objectives for the protection of human health for the Delaware River Estuary and Bay (Zones 2 through 6 [5]) which correspond to the designated uses of each zone. Stream quality objectives for protection from both carcinogenic and systemic effects are herein established on a pollutant-specific basis for:

*  *  *  *  *

 3.10.3.D.6. A rate of ingestion of water of 2.0 liters per day is assumed in calculating objectives for river zones where the designated uses include public water supplies after reasonable treatment. A rate of ingestion of fish of [6.5] 17.5 grams per day (equivalent to consuming a 1/2 pound portion every [35] 13 days) is assumed in calculating freshwater and marine stream quality objectives for the protection of human health. [A rate of ingestion of fish of 37 grams per day (equivalent to consuming a 1/2 pound portion every 6 days) is assumed in calculating marine stream quality objectives for human health.]

 3.10.3.D.8. Numerical criteria for toxic pollutants to protect the taste and odor of ingested water and fish shall be applied as stream quality objectives in [the Estuary] Zones 2—6 if these criteria are more stringent than the calculated human health objectives for carcinogens or systemic toxicants.

*  *  *  *  *

Section 3.30 Interstate Streams—Tidal.

*  *  *  *  *

3.30.2 Zone 2.

*  *  *  *  *

 [Amend Tables 3, 5, 6 and 7 following subsection 3.30.2 as indicated to update current criteria: remove and add compounds.]

TABLE 3: MAXIMUM CONTAMINANT LEVELS TO BE APPLIED AS HUMAN HEALTH STREAM QUALITY OBJECTIVES IN ZONES 2 AND 3 OF THE DELAWARE RIVER ESTUARY.

Parameter Maximum Contaminant
Level (µg/l)
Metals
[Antimony] [6]
Arsenic [50] 10
Barium [2.0 mg/l] 2000
Beryllium 4
[Cadmium] [5]
Chromium (trivalent) [(total)] 100
Copper 1300
[Nickel] [100]
Lead 15
Selenium 50
Pesticides/PCBs
alpha-BHC 0.2
beta-BHC 0.2
gamma - BHC (Lindane) [0.2] 2
2,4-Dichloro-phenoxyacetic acid (2,4-D) 70
Methoxychlor 40
Toxaphene 3
Dioxin (2,3,7,8-TCDD) 0.00003
2,4,5 Trichloro-phenoxypropionic acid (2,4,5-TP-Silvex) 50
Volatile Organic Compounds (VOCs)
Benzene 5
Carbon Tetrachloride 5
1,2-Dichloroethane 5
1,1-Dichloroethylene 7
[1,2-trans-Dichloroethene] 1,2-trans- Dichloroethylene 100
Dichloromethane (methylene chloride) 5
[1,2-Dichloropropane] [5]
[Ethylbenzene] [700]
Tetrachloroethylene (PCE) 5
Toluene 1000
Total Trihalomethanes [100] 80
[1,2,4-Trichlorobenzene] [70]
1,1,1-Trichloroethane 200
1,1,2-Trichloroethane 5
Trichloroethylene 5
Vinyl Chloride 2
Polycyclic Aromatic Hydrocarbons (PAHs)
Benzo(a)Pyrene 0.2
Other Compounds
Asbestos 7 million fibers/L
Bis(2-Ethylhexyl) Phthalate 6
Fluoride 4,000
Nitrate 10,000
Pentachlorophenol 1
Dioxin (2,3,7,8-TCDD) 0.00003

*  *  *  *  *

TABLE 5: STREAM QUALITY OBJECTIVES FOR TOXIC POLLUTANTS
FOR THE PROTECTION OF AQUATIC LIFE IN THE DELAWARE RIVER ESTUARY AND BAY.

Parameter Freshwater Objectives (µg/l)
Marine Objectives (µg/l)
Acute Chronic Acute Chronic
Metals [(Values indicated are total recoverable;
See Section 3.10.3.C.2. for form of metal)]
Aluminuma,b 750 87 [-] NA [-] NA
Arsenic (trivalent)c [360] 340 [190] 150 69 36
Cadmiumc [e(1.128*LN(Hardness)-3.828)] 0.651*EXP(1.0166*
LN(hardness)-3.924) 		[e(0.7852*LN(Hardness)-3.49)] 0.651*EXP(0.7409* LN(hardness)-4.719) [43] 40 [9.3] 8.8
Chromium (trivalent)c [e(0.8190*LN(Hardness)+3.688)] 0.277*EXP(0.819*
LN(hardness)+3.7256) 		[e(0.8190*LN(Hardness)+1.561)] 0.277*EXP(0.819*
LN(hardness)+0.6848) 		[-] NA [-] NA
Chromium (hexavalent)c 16 11 1,100 50
Copperc [e(0.9422*LN(Hardness)-1.464)] 0.908*EXP(0.9422*
LN(hardness)-1.7) 		[e(0.8545*LN(Hardness)-1.465)] 0.908*EXP(0.8545*
LN(hardness)-1.702) 		[5.3] 4.8 [3.4] 3.1
Leadc [48] 38 [16] 5.4 [220] 210 [8.5] 8.1
Mercuryc [2.4] 1.4 [0.012] 0.77 [2.1] 1.8 [0.025] 0.94
Nickelc [e(0.846*LN(Hardness)+3.3612)] 0.846*EXP(0.846*
LN(hardness)+2.255) 		[e(0.846*LN(Hardness)+1.1645)] 0.846*EXP(0.846*
LN(hardness)+0.0584) 		[75] 64 [8.3] 22
Seleniuma 20 5.0 [300] 290 71
Silverc [e(1.72*LN(Hardness)-6.52)]
0.85*EXP(1.72*
LN(hardness)-6.59) 		[-] NA [2.3] 1.9 [-] NA
Zincc [e(0.8473*LN(Hardness)+0.8604)] 0.95*EXP(0.8473*
LN(hardness)+0.884) 		[e(0.8473*LN(Hardness)+0.7614)] 0.95*EXP(0.8473*
LN(hardness)+0.884) 		[95] 90 [86] 81
Pesticides/PCBs
Aldrin [1.5] 3 [-] NA [0.65] 1.3 [-] NA
gamma - BHC (Lindane) [1.0] 0.95 [0.08] NA [0.08] 0.16 [-] NA
Chlordane [1.2] 2.4 0.0043 [0.045] 0.09 0.004
Chlorpyrifos (Dursban) 0.083 0.041 0.011 0.0056
DDT and metabolites (DDE & DDD)d [0.55] 1.1 0.001 [0.065] 0.13 0.001
Dieldrin [1.25] 0.24 [0.0019] 0.056 [0.355] 0.71 0.0019
Endosulfane [0.11] 0.22 0.056 [0.017] 0.034 0.0087
Endrin [0.09] 0.086 [0.0023] 0.036 [0.019] 0.037 0.0023
Heptachlor [0.26] 0.52 0.0038 [0.027] 0.053 0.0036
Heptachlor Epoxide 0.52 0.0038 0.053 0.0036
Parathion 0.065 0.013 [-] NA [-] NA
PCBs (Total) 1.0 0.014 5.0 0.03
Toxaphene 0.73 0.0002 0.21 0.0002
Other Compounds
Cyanide (free) [(total)] 22 5.2 [1.0] [2.7] 1 [-] 1
Pentachlorophenol e(1.005*pH-4.83) e(1.005*pH-5.29) 13 7.9
Indicator Parameters
Whole Effluent Toxicity 0.3 Toxic Unitsacute 1.0 Toxic Unitschronic 0.3 TUa 1.0 TUc

 Footnotes to Table 5:

 a Total recoverable criteria

 b Aluminum criteria listed are restricted to waters with pH between 6.5 and 9.0.

 c Dissolved criteria

 d Criteria apply to DDT and its metabolites (i.e., the total concentration of DDT and its metabolites should not exceed this value).

 e Values were derived from data for endosulfan and are most appropriately applied to the sum of alpha-endosulfan and beta-endosulfan.

 Criteria for cadmium, chromium (trivalent), copper, nickel, silver and zinc are hardness-dependent and are expressed as the dissolved form (see Section 3.10.3.C.2. on form of metal).

TABLE 6: STREAM QUALITY OBJECTIVES FOR CARCINOGENS
FOR THE DELAWARE RIVER ESTUARY AND BAY.

PARAMETER
[EPA class]
FRESHWATER
OBJECTIVES
(µg/l) 		MARINE
OBJECTIVES
(µg/l)
FISH &
WATER
INGESTION 		FISH
INGESTION
ONLY 		FISH
INGESTION
ONLY
Metals
Arsenic * [0.017] NA NA
[Beryllium] [0.00767] [0.132] [0.0232]
Pesticides/PCBs
Aldrin [B2] [0.00189]
0.000049 		[0.0226]
0.000050 		[0.00397]
0.000050
Alpha—BHC [B2] [0.00391]
0.0026 		[0.0132]
0.0049 		[0.00231]
0.0049
beta—BHC [C] 0.0091 0.017 0.017
Chlordane [B2] [0.000575]
0.00080 		[0.000588]
0.00081 		[0.000104]
0.00081
DDD [B2] [0.00423]
0.00031 		[0.00436]
0.00031 		[0.000765]
0.00031
DDE [B2] [0.00554]
0.00022 		[0.00585]
0.00022 		[0.00103]
0.00022
DDT [B2] [0.000588]
0.00022 		[0.000591]
0.00022 		[0.000104]
0.00022
Dieldrin [B2] [0.000135]
0.000052 		[0.000144]
0.000054 		[0.0000253]
0.000054
Heptachlor [B2] [0.000208]
0.000079 		[0.000214]
0.000079 		[0.0000375]
0.000079
Heptachlor Epoxide [B2] [0.000198]
0.000039 		[0.000208]
0.000039 		[0.0000366]
0.000039
PCBs (Total) [B2] 0.0000444 0.0000448 0.0000079
Toxaphene [B2] [0.000730]
0.00028 		[0.000747]
0.00028 		[0.000131]
0.00028
Volatile Organic Compounds (VOCs)
Acrylonitrile [B1] [0.0591]
0.051 		[0.665] 0.25 [0.117] 0.25
Benzene [A] [1.19] 0.61 [71.3] 14 [12.5] 14
Benzidine [A] [0.000118]
0.000086 		[0.000535]
0.00020 		[0.000094]
0.00020
Bromoform [B2] [4.31] 4.3 [164.0] 140 [28.9] 140
Bromodichloromethane [B2] [0.559] 0.55 [55.7] 17 [9.78] 17
Carbon Tetrachloride [B2] [0.254] 0.23 [4.42] 1.6 [0.776] 1.6
Chlorodibromomethane [C] [0.411] 0.40 [27.8] 13 [4.88] 13
Chloroform [B2] [5.67] 5.7 [471.0] 470 [82.7] 470
3,3-Dichlorobenzidine [B2] [0.0386]
0.021 		[0.0767]
0.028 		[0.0135]
0.028
1,2-Dichloroethane [B2] [0.383] 0.38 [98.6] 37 [17.3] 37
[1,1-Dichloroethene] [C] [0.0573] [3.20] [0.562]
1,2-Dichloropropane [B2] 0.50 15 15
1,3-Dichloropropene [B2] [87.0] 0.34 [14.1] 21 [2.48] 21
Dichloromethane (Methylene chloride) [B2] [4.65] * [1,580] 590 [277] 590
[Tetrachloroethene] Tetrachloroethylene [B2] [0.80] 0.69 [8.85] 3.3 [1.55] 3.3
[1,1,1,2-Tetrachloroethane] [C] [1.29] [29.3] [5.15]
1,1,2,2-Tetrachloroethane [C] [0.172] 0.17 [10.8] 4.0 [1.89] 4.0
1,1,2-Trichloroethane [C] [0.605] 0.59 [41.6] 16 [7.31] 16
[Trichloroethene] Trichloroethylene [B2] [2.70] 2.5 [80.7] 30 [14.2] 30
Vinyl Chloride [A] [2.00] 0.025 [525.0] 2.4 [92.9] 2.4
Polycyclic Aromatic Hydrocarbons (PAHs)
Benz[a]anthracene [B2] [0.00171]
0.0038 		[0.00177]
0.18 		[0.00031]
0.18
Benzo[b]fluoranthene [B2] [0.000455]
0.038 		[0.000460]
0.18 		[0.000081]
0.18
Benzo[k]fluoranthene [B2] [0.000280]
0.38 		[0.000282]
1.8 		[0.000049]
1.8
Benzo[a]pyrene [B2] [0.0000644]
0.0038 		[0.0000653]
0.018 		[0.0000115]
0.018
Chrysene [B2] [0.0214] 3.8 [0.0224] 18 [0.00394] 18
Dibenz[a,h]anthracene [B2] [0.0000552]
0.0038 		[0.0000559]
0.018 		[0.0000098]
0.018
Indeno[1,2,3-cd]pyrene [B2] [0.0000576]
0.038 		[0.0000576]
0.18 		[0.0000101]
0.18
Other Compounds
Bis (2-chloroethyl) ether [B2] [0.0311] 0.03 [1.42] 0.53 [0.249] 0.53
Bis (2-ethylhexyl) phthalate [B2] [1.76] 1.2 [5.92] 2.2 [1.04] 2.2
[Dinitrotoluene mixture (2,4 & 2,6)] 2,4-Dinitro-
toluene 		[B2] [17.3] 0.11 [1420] 3.4 [249] 3.4
1,2-Diphenylhydrazine [B2] [0.0405]
0.036 		[0.541] 0.2 [0.095] 0.2
Hexachlorobenzene [B2] [0.000748]
0.00028 		[0.000775]
0.00029 		[0.000136]
0.00029
Hexachlorobutadiene [C] [0.445] 0.44 [49.7] 18 [8.72] 18
Hexachloroethane [C] [1.95] 1.4 [8.85] 3.3 [1.56] 3.3
Isophorone [B2] [36.3] 35 [2590] 960 [455] 960
N-Nitrosodi-N-butylamine [B2] 0.0063 14 14
N-Nitrosodi-N-methylamine [B2] [0.000686]
0.00069 		[8.12] 3.0 [1.43] 3.0
N-Nitrosodiethylamine [B2] 0.0008 1.24 1.24
N-Nitrosodi-N-phenylamine [B2] [4.95] 3.3 [16.2] 6 [2.84] 6
N-Nitrosodi-N-propylamine [B2] [0.00498]
0.0050 		[1.51] 0.51 [0.265] 0.51
N-Nitrosopyrrolidine [B2] 0.016 34 34
Pentachlorophenol [B2] [0.282] 0.27 [8.16] 3.0 [1.43] 3.0
Dioxin (2,3,7,8-TCDD) [NA] [1.3 x 10-8]
0.000000005 		[1.4 x 10-8]
0.0000000051 		[2.4 x 10-9]
0.0000000051
2,4,6-Trichlorophenol [B2] [2.14] 1.4 [6.53] 2.4 [1.15] 2.4

 * The MCL for this compound applies in Zones 2 and 3 and is listed in Table 3.

TABLE 7: STREAM QUALITY OBJECTIVES FOR SYSTEMIC TOXICANTS
FOR THE DELAWARE RIVER ESTUARY AND BAY

PARAMETER
[EPA Class]
FRESHWATER
OBJECTIVES (µg/l) 		MARINE
OBJECTIVES (µg/l)
FISH &
WATER
INGESTION 		FISH
INGESTION
ONLY 		FISH
INGESTION
ONLY
Metals
Antimony [14.0] 5.6 [4,310] 640 [757] 640
Arsenic [A] [9.19] * [73.4] NA [12.9] NA
Beryllium [B2] [165] * [2,830] [42]
420 		[498] [42] 420
Cadmium [14.5] 3.4 [84.1] 16 [14.8] 16
Chromium (trivalent) [33,000] * [673,000]
380,000 		[118,000]
380,000
[Hexavalent] Chromium (hexavalent) [A] [166] 92 [3,370] NA [591] NA
Chromium (Total) NA 750 750
Mercury [0.144] 0.050 [0.144] 0.051 [0.144] 0.051
Methylmercury 0.3 mg/kg fish tissue 0.3 mg/kg fish tissue 0.3 mg/kg fish tissue
Nickel [607] 500 [4,580] 1,700 [805] 1,700
Selenium [100] 170 [2,020] 4,200 [355] 4,200
Silver [175] 170 [108,000]
40,000 		[18,900]
40,000
Thallium [1.70] 0.24 [6.20] 0.47 [1.10] 0.47
Zinc [9110] 7,400 [68700]
26,000 		[12100]
26,000
Pesticides/PCBs
Aldrin [B2] [0.96] 0.025 [11.5] 0.025 [2.03] 0.025
gamma - BHC (Lindane) [7.38] 0.98 [24.9] 1.8 [4.37] 1.8
Chlordane [B2] [0.0448] 0.14 [0.0458] 0.14 [0.00805] 0.14
DDT and Metabolites (DDD and DDE) [B2] [0.100] 0.037 [0.100] 0.037 [0.0176] 0.037
Dieldrin [B2] [0.108] 0.041 [0.115] 0.043 [0.020] 0.043
[Endosulfan] [111] [239] [42.0]
alpha -Endosulfan 62 89 89
beta- Endosulfan 62 89 89
Endosulfan Sulfate 62 89 89
Endrin [D] [0.755] 0.059 [0.814] 0.060 [0.143] 0.060
Endrin Aldehyde 0.29 0.30 0.30
Heptachlor [B2] [0.337] 0.18 [0.344] 0.18 [0.060] 0.18
Heptachlor Epoxide [B2] [0.0234]
0.0046 		[0.0246]
0.0046 		[0.00433]
0.0046
Total PCBs [B2] 0.00839 0.00849 0.00149
Volatile Organic Compounds (VOCs)
Acrolein [320] 6.1 [780] 9.3 [137] 9.3
Benzene * 3,100 3,100
Bromoform [B2] [682] 650 [25,900] 9,600 [4,560]9,600
Bromodichloromethane [B2] [693] 680 [69,000] NA [12,100] NA
Dibromochloromethane [C] [690] 680 [46,600]
21,000 		[8,190] 21,000
Carbon Tetrachloride [B2] [23.1] * [402] 150 [70.6] 150
Chloroform [B2] [346] 68 [28,700] 2,100 [5,050] 2,100
Chlorobenzene [D] [677] 130 [20,900] 1,600 [3,670] 1,600
[1,1-Dichloroethene]
1,1-Dichloroethylene 		[C] [309] * [17,300] 7,100 [3,040] 7,100
[1,2]-trans-Dichloro- ethene] 1,2-trans-Dichloro-
ethylene 		[696] 140 [136,000]
10,000 		[23,900]
10,000
1,3-Dichloropropene [B2] [10.4] 1,000 [1,690] 63,000 [297] 63,000
Ethylbenzene [3,120] 530 [28,700] 2,100 [5,050] 2,100
Methyl Bromide [49.0] 47 [N/A] 1,500 [N/A] 1,500
Methylene Chloride [B2] [2,090] * [710,000]
260,000 		[125,000]
260,000
1,1,2-Trichloroethane [C] [138] * [9,490] 3,600 [1,670] 3,600
[Tetrachloroethene]
Tetrachloroethylene 		[318] * [3,520] 1,300 [618] 1,300
[1,1,1,2-Tetrachloroethane] [C] [1,000] [22,400] [3,940]
Toluene [6,760] 1,300 [201,000]
15,000 		[35,400]
15,000
Polycyclic Aromatic Hydrocarbons (PAHs)
Anthracene [D] [4,110] 8,300 [6,760] 40,000 [1,190] 40,000
Fluoranthene [296] 130 [375] 140 [65.8] 140
Fluorene [D] [730] 1,100 [1,530] 5,300 [268] 5,300
Pyrene [D] [228] 830 [291] 4,000 [51.1] 4,000
Other Compounds
Acenaphthene [1,180] 670 [2,670] 990 [469] 990
Benzidine [A] [81.8] 59 [369] 140 [64.9] 140
Bis (2-chloroisopropyl) ether [1,390] 1,400 [174,000] 65,000 [30,600] 65,000
Bis (2-ethylhexyl) phthalate [B2] [492] * [1,660] 620 [291] 620
Butylbenzyl phthalate [C] [298] 1,500 [520] 1,900 [91.4] 1,900
2-Chloronaphthalene 1,000 1,600 1,600
2-Chlorophenol [122] 81 [402] 150 [70.6] 150
Cyanide 140 140 140
Dibutyl Phthalate [D] [2,710] 2,000 [12,100] 4,500 [2,130] 4,500
1,2-Dichlorobenzene [D] [2,670] 420 [17,400] 1,300 [3,060] 1,300
1,3-Dichlorobenzene [D] [414] 420 [3,510] 1,300 [617] 1,300
1,4-Dichlorobenzene [419] 63 [3,870] 190 [677] 190
2,4-Dichlorophenol [92.7] 77 [794] 290 [139] 290
Diethyl Phthalate [D] [22,600]
17,000 		[118,000]
44,000 		[20,700]
44,000
Dimethyl Phthalate [D] [313,000]
270,000 		[2,990,000]
1,100,000 		[526,000]
1,100,000
2,4-Dimethylphenol [536] 380 [2,300] 850 [403] 850
2,4-Dinitrophenol [70] 69 [14,300] 5,300 [2,500] 5,300
2,4-Dinitrotoluene [69.2] 68 [5670] 2,100 [996] 2,100
Hexachlorobenzene [B2] [0.958] 0.35 [0.991] 0.36 [0.174] 0.36
[Hexachlorobutadiene] [C] [69.4] [7,750] [1,360]
Hexachlorocyclopentadiene [242] 40 [17,400] 1,100 [3,050] 1,100
Hexachloroethane [C] [27.3] 20 [124] 46 [21.7] 46
Isophorone [C] [6,900] 6,700 [492,000]
180,000 		[86,400]
180,000
2-Methyl-4,6-dinitrophenol 13 280 280
Nitrobenzene [D] [17.3] 17 [1,860] 690 [327] 690
Pentachlorobenzene 1.4 1.5 1.5
Pentachlorophenol [1,010] * [29,400] 11,000 [5,160] 11,000
Phenol [20,900]
10,000 		[4,620,000]
860,000 		[811,000]
860,000
1,2,4,5-Tetrachlorobenzene 0.97 1.1 1.1
1,2,4-Trichlorobenzene [D] [255] 35 [945] 70 [166] 70
2,4,5-Trichlorophenol 1,800 3,600 3,600
Vinyl Chloride * 10,000 10,000

 * The MCL for this compound applies in Zones 2 and 3 and is listed in Table 3.

*  *  *  *  *

3.30.6 Zone 6.

*  *  *  *  *

 [Add the following text immediately following sub-section 3.30.6 C.10. and preceding sub-section 3.30.6 D.]

 11. Toxic Pollutants.

 a. Applicable criteria to protect the taste and odor of ingested water and fish are presented in Table 4.

 b. Applicable marine stream quality objectives for the protection of aquatic life are presented in Table 5.

 c. Applicable marine stream quality objectives for the protection of human health are presented in Tables 6 and 7.

PAMELA M. BUSH, 
Secretary

 Fiscal Note: Fiscal Note 68-55 remains valid for the final adoption of the subject regulation.

Annex A

TITLE 25. ENVIRONMENTAL PROTECTION

PART V. DELAWARE RIVER BASIN COMMISSION

CHAPTER 901. GENERAL PROVISIONS

§ 901.2. Comprehensive Plan and water quality.

 The Comprehensive Plan regulations as set forth in 18 CFR Part 401, Subpart A (2011) and the Water Code and Water Quality Standards as set forth in 18 CFR Part 410 (2011) are hereby incorporated by reference and made a part of this title.

[Pa.B. Doc. No. 11-1043. Filed for public inspection June 24, 2011, 9:00 a.m.]


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