DB46T 687-2025 土壤环境背景值

ICS13.080CCSZ50 46海 南 省 地 方 标 准DB46/T687—2025土壤环境背景值Environmentalbackgroundvaluesofsoil2025-04-15发布 2025-06-01实施海南省场监理局 发布DB46/T687—2025目 次前言 II1围 32范引文件 33语定义 34壤境景和方法 4土环背含本统量 4土环背值 4土环背值方法 5附录A（范）土环境景量基统量 6表A.1酸侵岩质土环背含的本统量 6表A.2性山母土壤境量基统量 8表A.3积母土环境量基统量 10表A.4质母土环境量基统量 12表A.5性入母土壤境量基统量 13表A.6性山母土壤境量基统量 14表A.7四松沉物母土环含的本统量 16附录B（料）海岛成母空分图 18参考献 19IDB46/T687—2025DB46/T687—2025前 言本文按GB/T1.1—2020标化作则 1部准文的和起规的规定起。请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。本文件由海南省生态环境厅提出并归口。郭欣、孙宏飞、何书海、封雪、庄晓娟、柳璨、王婧、李金秋、周笑白。IIDB46/T687—2025DB46/T687—2025PAGEPAGE3土壤环境背景值范围本文件规定了土壤环境背景值和使用方法。（GB15618土壤环境质量农用地土壤污染风险管控标准（试行）GB36600土壤环境质量建设用地土壤污染风险管控标准（试行）GB50068建筑结构可靠性设计统一标准DZ/T0258多目标区域地球化学调查规范（1：250000）DZ/T0279（所有部分）区域地球化学样品分析方法DZ/T0295土地质量地球化学评价规范HJ/T166土壤环境监测技术规范HJ1185区域性土壤环境背景含量统计技术导则（试行）GB15618、GB36600、GB50068、HJ1185界定的以及下列术语和定义适用于本文件。3.1土壤 soil[来源：GB15618-2018，3.1]3.2土壤环背景量 environmentalbackgroundcontentofsoil：HJ1185-2021，3.1]3.3土壤环背景值 environmentalbackgroundvaluesofsoil指基于土壤环境背景含量的统计值。通常以土壤环境背景含量的某一分位值表示。[来源：GB36600-2018，3.6]3.4质 parentmaterial地表岩石经风化作用形成的松散风化物，是土壤形成的物质基础和植物矿物养分元素（除氮外）的最初来源。3.5值 fractile[来源：GB50068-2018，2.1.31]0-20AA.1A.7BB.1。根据附录BAA.1A.797.50-201表1 壤环背景

DB46/T687—2025单位为毫克每千克序号监测项目中酸性侵入岩母质基性火山岩母质沉积岩母质变质岩母质碱性侵入岩母质酸性火山岩母质第四纪松散沉积物母质1镉0.130.100.100.170.120.100.072汞0.0670.0940.0450.0700.0500.0550.0463砷2.795.204.9134.553.691.822.064铅49.915.928.444.657.841.615.85铬49.8481.048.987.522.412.234.06铜12.2108.113.135.19.89.98.97锌89.1165.250.674.172.572.729.88镍13.4233.710.326.48.04.08.19钒78.2407.589.6132.256.351.529.410锰717.41870.1364.0902.9477.0747.2368.011钴11.3124.814.219.64.86.00.912铍3.411.522.682.843.242.040.9913锑0.270.560.570.380.280.340.3397.5体规定，则按照国家有关要求执行。HJ1185、HJ/T166、DZ/T0258、DZ/T0279（）DZ/T02955DB46/T687—2025DB46/T687—2025PAGEPAGE6附录A（规范性）土壤环境背景含量的基本统计量A.1A.7表A.1 酸侵岩质土环背含的本统量序监测样本数顺序统计量分布号项目（个）𝑥 S M D𝑥+2SM/D2 M×2背景值序监测样本数顺序统计量分布号项目（个）𝑥 S M D𝑥+2SM/D2 M×2背景值25%75%90%95%97.5%值99%形态1镉20550.060.030.061.660.0040.020.020.030.040.060.080.110.120.130.140.140.120.020.17其他分布0.132汞21350.0340.0140.0311.5800.0010.0120.0140.0170.0230.0320.0440.0550.0620.0670.0710.0750.0620.0120.077其他分布0.0673砷17871.310.641.141.810.010.410.480.590.821.171.712.272.602.792.943.042.590.353.73其他分布2.794铅208031.68.830.31.38.815.017.520.525.731.037.343.447.749.952.654.549.217.951.2其他分布49.95铬203821.012.616.72.20.13.14.66.511.118.828.840.546.049.853.055.246.23.580.8其他分布49.86铜19606.22.65.61.60.22.12.63.14.25.77.710.211.412.212.613.011.42.214.3其他分布12.27锌211446.219.042.11.66.614.819.123.332.244.158.073.583.489.193.596.684.216.4107.8其他分布89.18镍20346.03.25.21.80.51.61.92.43.55.58.110.812.413.414.415.012.41.616.8其他分布13.49钒201439.017.335.11.65.712.515.418.925.736.249.964.872.778.282.185.973.613.789.9其他分布78.2锰2145331.91.91.065.699.0138.0206.0306.0443.0565.6654.0717.4761.0797.0668.31017.7其他分布717.4钴20325.22.74.41.90.10.91.42.03.24.86.99.010.311.311.912.510.61.215.9其他分布11.3铍21221.790.751.601.680.100.410.650.871.281.712.272.853.133.413.583.763.290.574.52其他分布3.41锑20220.170.050.161.360.060.080.090.110.140.170.200.240.260.270.290.290.270.090.30其他分布0.27¯为算术平均值、S为算术标准差、M为几何平均值、D为几何标准差。表中项目均为全量。（下同）DB46/T687—2025DB46/T687—2025PAGEPAGE8表A.2 性山母土壤境量基统量单位为毫克每千克序监测样本数号项目（个）

𝑥 S

M D

最小值2.5%值5%值

10%值

25%值

顺序统计量中位值75

90%值

95%值97.5%值

99%值

最大值

𝑥+2S

M×D2

分布形态

背景值1镉

412

0.06

0.02

0.06

1.47

0.02

0.02

0.03

0.03

0.04

0.06

0.08

0.09

0.10

0.10

0.10

0.10

0.10

0.03

0.13

对数正态分布

0.102汞

552

0.0600.0160.0581.3060.021

0.034

0.036

0.041

0.049

0.058

0.070

0.084

0.090

0.094

0.101

0.1010.0920.0340.099

其他分布0.0943砷6052.173砷6052.171.311.622.560.020.160.270.461.222.043.083.874.615.205.645.834.790.2510.624铅45812.61.912.51.28.99.19.59.911.112.614.215.215.615.916.116.316.48.718.0对数正态分布

15.95铬

605

306.482.4294.71.3

109.3

149.0

176.8

202.0

246.2

302.0

362.1

412.1

445.8

481.0

509.7

529.1471.2174.4498.0

其他分布481.06铜

578

82.5

14.4

81.1

1.2

45.6

50.5

55.0

62.6

73.7

84.3

92.4

99.9

103.1

108.1

113.8

120.4111.356.3

116.8

其他分布108.17锌

530

119.222.0117.01.2

64.9

73.0

80.0

88.8

105.8

120.2

132.8

145.4

156.7

165.2

171.0

174.0163.281.2

168.5

其他分布165.28镍

603

155.840.4150.11.3

56.4

72.1

86.9

101.7

130.1

155.9

183.8

207.8

222.5

233.7

251.2

260.3236.688.8

253.7

其他分布233.79钒

581

294.058.9287.51.2

143.4

164.1

180.0

217.7

257.2

299.1

332.8

365.3

383.8

407.5

429.9

443.9411.8199.7414.0

其他分布407.510锰

4081212.5371.4

1.4

489.0

597.5

640.0

725.9

920.81189.51503.21754.61829.01870.11907.91936.01955.3588.12259.1

对数正态分布

1870.111钴

609

60.7

29.0

53.3

1.7

5.2

17.2

21.3

26.5

38.8

55.0

80.3

105.7

115.3

124.8

132.0

142.2118.718.4

154.0

其他分布124.812铍

447

1.09

0.24

1.07

1.25

0.63

0.70

0.72

0.78

0.91

1.06

1.30

1.45

1.49

1.52

1.54

1.56

1.57

0.68

1.67

对数正态分布

1.5213锑6010.340.100.321.350.110.180.200.220.260.320.400.480.530.560.600.610.540.180.58其他分布0.56DB46/T687—2025DB46/T687—2025PAGEPAGE10表A.3 积母土环境量基统量单位为毫克每千克序号监测项目样本数（个）𝑥SMD顺序统计量𝑥+2SM/D2M×D2分布形态背景值最小值5%值10%值25%值75%值90%值95%值97.5%值99%值1镉4340.050.030.051.710.010.020.020.020.030.050.080.090.100.100.100.100.110.020.15对数正态分布0.102汞4640.0270.0090.0090.0120.0130.0150.0200.0250.0330.0420.0440.0450.0450.0450.0450.0120.052对数正态分布0.0453砷4982.061.171.751.810.340.540.630.811.101.782.843.774.474.915.225.424.400.535.73其他分布4.914铅42020.24.419.71.211.812.613.114.616.620.023.226.527.728.428.628.729.013.728.4对数正态分布28.45铬53726.411.723.41.72.57.09.111.616.825.635.742.945.048.952.162.449.88.167.6其他分布48.96铜3988.02.97.41.52.53.23.54.15.68.110.312.012.613.113.313.613.83.316.7对数正态分布13.17锌42730.711.028.51.59.311.813.716.322.230.239.646.049.850.651.351.852.712.764.1对数正态分布50.68镍4245.82.45.31.61.21.92.22.73.85.77.89.410.010.310.510.610.62.113.6对数正态分布10.39钒49052.720.248.61.513.720.823.027.336.549.470.181.886.789.690.692.293.121.6109.4对数正态分布89.610锰352194.795.6166.61.829.045.352.059.4118.8193.0263.5332.7358.0364.0372.0380.0385.951.4539.8对数正态分布364.011钴5226.13.64.92.00.40.81.11.93.35.58.211.613.314.214.615.513.31.219.6其他分布14.212铍5231.330.611.181.690.190.360.440.550.871.261.712.202.452.682.862.952.550.413.37其他分布2.6813锑5110.290.120.271.530.070.120.130.150.200.280.370.460.520.570.600.610.530.120.63其他分布0.57表A.4 质母土环境量基统量单位为毫克每千克序监测项目样本数（个）𝑥SMD顺序统计量𝑥+2SM/D2M×D2分布形态背景值5%值10%值25%值75%值90%值95%值97.5%值99%值1镉5330.080.040.071.670.0050.020.030.040.050.070.100.140.150.170.170.180.160.030.20其他分布0.172汞5940.0380.0150.0361.5090.0080.0150.0170.0210.0280.0370.0480.0600.0660.0700.0750.0780.0680.0160.082其他分布0.0703砷56812.359.808.142.830.050.961.181.654.009.7418.2128.3732.6734.5535.9538.6231.951.0265.19其他分布34.554铅59025.48.624.01.47.012.013.515.319.024.130.738.442.444.646.248.142.612.247.0其他分布44.65铬58645.919.941.01.70.812.916.321.830.943.659.474.482.687.592.298.885.714.2118.5其他分布87.56铜59118.07.816.01.72.15.16.07.912.017.922.928.331.835.138.139.333.65.546.2其他分布35.17锌50447.814.545.51.419.623.525.828.236.747.159.368.672.974.175.075.576.823.289.2对数正态分布74.18镍56913.85.912.41.71.03.94.66.49.413.417.622.124.726.428.129.925.64.335.8其他分布26.49钒53178.929.672.71.522.227.431.039.655.978.2103.0119.8127.4132.2134.3136.7138.132.3163.6对数正态分布132.2锰604340.9233.7253.32.319.040.052.274.0135.8303.5484.0677.0823.2902.9943.9995.0808.347.91340.0其他分布902.9钴5888.15.06.42.10.41.21.52.23.97.411.415.217.519.620.422.818.11.528.2其他分布19.6铍5951.600.561.501.470.300.550.760.911.201.552.002.342.582.842.953.112.720.693.24其他分布2.84锑2530.230.080.221.470.080.090.110.120.180.230.290.340.360.380.380.380.390.100.48对数正态分布0.38表A.5 性入母土壤境量基统量单位为毫克每千克序监测项目样本数（个）𝑥SMD顺序统计量𝑥+2SM/D2M×D2分布形态背景值最小值5%值10%值25%值75%值90%值95%值97.5%值99%值1镉3790.060.030.061.560.010.020.030.030.040.060.080.100.120.120.130.130.120.020.15其他分布0.122汞3250.0310.0100.0291.4290.0110.0140.0160.0180.0220.0300.0390.0460.0490.0500.0510.0510.0510.0140.059对数正态分布0.0503砷3771.450.961.171.920.260.380.430.490.701.142.013.073.533.693.863.973.370.324.31其他分布3.694铅39635.511.433.41.56.612.417.921.827.635.042.950.855.057.860.465.858.314.875.2其他分布57.85铬3657.46.03.94.50.10.10.10.12.76.411.015.619.422.423.224.019.40.279.0其他分布22.46铜3954.82.34.11.80.61.01.31.72.94.76.17.99.19.810.410.79.41.313.3其他分布9.87锌37145.315.342.51.415.818.721.227.033.643.858.666.670.372.574.575.275.921.783.3对数正态分布72.58镍3753.31.92.81.80.40.71.01.31.92.74.66.27.28.08.38.77.10.99.1其他分布8.09钒39824.214.119.62.02.14.35.87.211.423.432.444.152.256.360.563.052.44.978.4其他分布56.310锰344259.4122.9224.91.838.054.380.2101.0155.8254.0351.8434.7451.8477.0489.6497.0505.269.4728.7对数正态分布477.011钴3092.51.32.21.90.30.50.60.81.42.63.64.34.64.84.95.05.10.67.9对数正态分布4.812铍3562.050.681.931.440.730.870.961.181.532.012.613.003.123.243.303.373.410.934.00对数正态分布3.2413锑4020.170.040.171.300.080.090.100.120.140.170.200.240.260.280.290.290.250.100.29其他分布0.28DB46/T687—2025DB46/T687—2025PAGEPAGE14表A.6 性山母土壤境量基统量单位为毫克每千克序监测样本数号项目（个）

𝑥 S

M D

最小值2.5%值5%值

10%值

25%值

顺序统计量中位值75

90%值

95%值97.5%值

99%值

最大值

𝑥+2SM/D2M×2

分布形态

背景值1镉1镉700.060.020.061.400.020.030.030.040.050.060.070.090.100.100.100.100.100.030.122汞 870.0360.0110.0351.3640.0170.0180.0200.0220.0290.0360.0440.0510.0540.0550.0550.0550.0580.0190.0653砷601.220.341.171.350.590.660.680.760.961.231.471.651.761.821.841.861.900.642.134铅8929.46.828.61.316.517.319.521.524.328.935.839.340.741.641.842.243.016.948.35铬746.23.64.33.20.10.20.20.83.26.38.710.912.112.212.512.913.40.444.06铜835.32.24.91.51.72.22.33.13.55.06.68.09.69.911.211.59.72.211.07锌9450.413.148.51.324.925.529.331.439.850.361.065.970.772.773.273.676.628.782.08镍682.50.82.41.41.11.21.31.62.02.53.13.63.94.04.04.04.11.24.79钒8035.09.833.61.316.019.821.323.427.532.842.449.650.451.553.053.554.619.956.8锰 86449.7164.1416.21.5133.0167.4175.2213.0324.5444.0576.0679.0710.5747.2759.2766.0777.9185.0936.411钴763.81.33.61.51.21.61.71.92.74.04.95.55.86.06.26.26.41.68.1

0.10正态分布0.055对数正态分布

1.82正态分布 对数正态分布

12.2其他分布 9.9正态分布 分布分布

4.051.5正态分布747.2对数正态分布

6.012铍791.570.281.551.201.051.071.111.151.361.571.781.921.982.042.102.112.131.082.23对数正态分布2.0413锑970.190.060.191.360.070.100.120.130.150.180.230.280.310.340.350.360.310.100.35其他分布0.34DB46/T687—2025DB46/T687—2025PAGEPAGE16表A.7 四松沉物母土环含的本统量单位为毫克每千克序监测样本数号项目（个）

𝑥 S

M D

最小值2.5%值5%值

10%值

25%值

顺序统计量中位值75

90%值

95%值97.5%值

99%值

最大值

𝑥+2SM/D2M×2

分布形态

背景值1 镉

752

0.03

0.02

0.03

1.81

0.003

0.01

0.01

0.01

0.02

0.03

0.04

0.06

0.06

0.07

0.07

0.08

0.07

0.01

0.10

其他分布

0.072 汞

782

0.0210.0100.0181.7510.001

0.005

0.007

0.009

0.013

0.019

0.028

0.036

0.041

0.046

0.048

0.0500.0410.0060.055其他分布

0.0463 砷

561

1.13

0.51

0.99

1.73

0.15

0.26

0.32

0.45

0.73

1.10

1.50

1.86

1.98

2.06

2.10

2.12

2.15

0.33

2.96

对数正态分布

2.064 铅

542

9.2

3.6

8.4

1.5

2.2

3.4

3.9

4.6

6.1

9.0

1