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. 2021 Jul 6;9(7):160. doi: 10.3390/toxics9070160

Table 4.

Summary of official controls of groundwater in Lombardy by ARPA in 2016. List of the active substances and of the molecules monitored, with the identification of those sold in the year 2016. Number of monitoring points and number and percentage of monitoring points in which at least one exceedance of the EQSsingle was found, in the spring and autumn campaign.

Active Substance Monitored Molecule Active Substance Sold in 2016 Monitoring Points
(n)		 Monitoring Points with Exceedances
n (%)
Spring Autumn Spring Autumn
(MCPA) 2,4 acetic meticlorophenoxy acid (MCPA) 2,4 acetic meticlorophenoxy acid ✓ 134 131 0 0
2,4 dichlorophenoxy acetic acid (2,4 D) 2,4 dichlorophenoxy acetic acid (2,4 D) 107 95 0 0
Alachlor Alachlor ✓ 126 123 0 0
Aldrin Aldrin 147 148 0 0
Atrazine Atrazine 126 123 9 (7.1) 5 (4.1)
Atrazine-desethyl 126 123 6 (4.8) 5 (4.1)
Atrazine-desisopropyl 126 123 1 (0.8) 2 (1.6)
Azimsulfuron Azimsulfuron ✓ 107 105 0 0
Bensulfuron methyl Bensulfuron methyl 107 105 0 0
Bentazone Bentazone ✓ 134 131 16 (11.9) 15 (11.5)
Lindane β-Hexachlorocyclohexane 126 123 1 (0.8) 2 (1.6)
Bromacil Bromacil 127 124 3 (2.4) 1 (0.8)
DDD, DDT, DDE DDD, DDT, DDE 73 71 0 0
Dicamba Dicamba ✓ 134 131 0 0
Dichlorobenil 2,6-Dichlorobenzamide 127 124 11 (8.7) 13 (10.5)
Diedrin Diedrin 147 148 0 0
Dimethoate Dimethoate ✓ 100 99 0 0
Diuron Diuron ✓ 108 124 0 0
Endrin Endrin 147 - 0 0
Glyphosate Glyphosate ✓ 132 131 1 (0.8) 2 (1.5)
AMPA 125 123 5 (4.0) 3 (2.4)
Imidacloprid Imidacloprid ✓ 107 105 0 0
Isodrin Isodrin 147 - 0 0
Isoproturon Isoproturon 115 131 0 0
Linuron Linuron ✓ 134 131 0 0
Mecoprop Mecoprop ✓ 134 131 0 0
Metolachlor Metolachlor ✓ 126 123 3 (2.4) 1 (0.8)
Molinate Molinate 126 123 3 (2.4) 3 (2.4)
Nicosulfuron Nicosulfuron ✓ 107 105 0 0
Propanil Propanil ✓ 127 124 0 0
Quinclorac Quinclorac ✓ 107 105 0 2 (1.9)
Simazine Simazine 126 123 1 (0.8) 1 (0.8)
Sulcotrione Sulcotrione ✓ 115 131 0 0
Terbuthylazine Terbuthylazine ✓ 126 123 2 (1.6) 1 (0.8)
Terbuthylazine desethyl 125 122 4 (3.2) 6 (4.9)
31 35 17 157 158 51 48