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CERCLA Notifications by Size

Less than 1,000 pounds*
1,000 -9,999 pounds
10,000 -99,999 pounds
100,000 pounds or greater
Total**
1987
3,459
741
310
54
4,541
1988
3,893
867
373
77
5,176
1989
5,376
1,035
388
103
6,865
1990
5,150
982
398
71
6,555
1991
5,420
959
386
72
6,801
1992
5,891
935
311
63
7,181
1993
6,124
835
322
56
7,301
1994
6,551
830
257
48
7,656
Petroleum Notifications by Size

Less than 1,000 gallons*
1,000 - 9,999 gallons
10,000 - 99,999 gallons
100,000 gallons or greater
Total**
1987
11,029
943
174
25
12,164
1988
11,252
840
159
25
12,265
1989
11,864
935
175
33
12,999
1990
13,319
971
183
26
14,495
1991
13,689
986
178
20
14,868
1992
12,742
886
122
14
13,762
1993
12,629
821
128
20
13,592
1994
13,052
673
102
13
13,835
       * Includes notifications that had no quantity reported.
       * *Notifications do not add to total because a single notification may have releases of more than one material.
 Release Reports
 By Media
     CERCLA I
          air 34%
 Requests for  information on release reports  of petroleum  products and hazardous
 substances defined under the Comprehensive Environmental Response, Compensation,
 and Liability Act of 1980 (CERCLA) are most common.  CERCLA hazardous substances
 notifications account for approximately 19% of the total number of notifications in ERNS,
 and petroleum product notifications account for approximately 40%.
                                           Petroleum
      land 46%
         groundwater 1%
         other 2%
         facility 3%
      water  14%
                                                    land 36%
                                                                            water 54%
                                                                                 other 1%
                                                                                 facility  2%
                                                                                 groundwater 2%
                                                                                 air 5%
Obtaining ERNS
Data
Additional information on the ERNS data
base  may be  obtained  by calling  the
ERNS  Information  Line  at   (202)
260-2342, by sending an e-mail request
to  erns.info@epamail.epa.gov,  or  by
writing to EPA at the following address:
 ERNS Manager
   U.S. EPA
Mail Code 5202G
401 M Street, SW
 Washington, DC
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