Chemistry

Volume, Title, and Unique Books data collected on June 4, 2002.
Circulation statistics for the ALC fiscal year ending May 31, 2002.

Volume Count and Average Age

Counts and average ages of volumes (individual barcoded items) in Chemistry. This count only includes bound monographic materials.

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799
1800-1899			4		1	5
1900-1909			2	3		5
1910-1919			3	1	1	5
1920-1929	5		22	14	13	54
1930-1939	29		36	21	4	90
1940-1949	72	1	63	71	63	270
1950-1959	228	3	98	211	46	586
1960-1969	387	26	181	617	87	1,298
1970-1974	212	6	92	254	108	672
1975-1979	123	5	32	174	49	383
1980-1984	82	5	31	126	61	305
1985-1989	53	5	21	122	26	227
1990-1994	57	16	37	43	37	190
1995	10	7	6	9	4	36
1996	16	6	5	4	1	32
1997	21	2	27	8	5	63
1998	11	1	9	14		35
1999	12	4		3	2	21
2000	8	2		3	1	14
2001	2	1	2	2		7
2002
Totals	1,328	90	671	1,700	509	4,298
Average Age	1969	1981	1965	1969	1969	1968
Percent of Collection	0.64%	0.05%	0.49%	1.28%	0.74%	0.59%

Title Count and Average Age

Counts and average ages of titles (excludes duplicate copies) in Chemistry. This count only includes bound monographic materials.

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799
1800-1899			4		1	5
1900-1909			2	1		3
1910-1919			3	1	1	4
1920-1929	5		16	4	4	27
1930-1939	9		32	18	3	56
1940-1949	35	1	50	52	11	126
1950-1959	129	3	62	138	24	275
1960-1969	280	21	160	530	57	831
1970-1974	153	6	76	222	64	437
1975-1979	91	5	30	158	47	287
1980-1984	72	4	30	118	59	230
1985-1989	51	4	18	117	26	185
1990-1994	55	16	35	39	37	148
1995	10	6	6	9	4	25
1996	15	5	5	4	1	28
1997	15	2	25	7	2	42
1998	9	1	9	14		30
1999	12	2		3	2	19
2000	8	2		3	1	13
2001	2	1	2	2		6
2002
Totals	951	79	565	1,440	344	2,777
Average Age	1971	1981	1966	1970	1974	1970
Percent of Collection	0.53%	0.06%	0.47%	1.20%	0.56%	0.54%

Unique Books Count and Average Age

Counts and average ages of unique books (titles held by only one ALC library) in Chemistry. This count only includes bound monographic materials.

	ACU	APL	HSU	McM	HPU
1600-1699
1700-1799
1800-1899			4		1
1900-1909			2
1910-1919			2	1
1920-1929	4		14	2	3
1930-1939	3		27	13	1
1940-1949	20		35	30	2
1950-1959	75	2	23	80	8
1960-1969	141	13	74	357	17
1970-1974	88	4	39	152	39
1975-1979	58	2	16	117	33
1980-1984	45	1	10	80	37
1985-1989	39	3	6	89	16
1990-1994	43	10	24	23	17
1995	9	1	2	3	1
1996	13	2	4	2	1
1997	8	2	18	3
1998	7	1	6	11
1999	12			3	2
2000	8	2		2
2001	1	1	2	1
2002
Totals	574	44	308	969	178
Average Age	1973	1981	1964	1971	1976

Total Circulation

A count of charges and renewals for Chemistry. This count only includes circulation of bound monographs.

	Patron System
	ACU	APL	HSU	McM	CJC	HPU	Total
ACU Items	21	6	3	3	0	0	33
APL Items	0	110	0	0	0	0	110
HSU Items	1	1	5	4	0	0	11
McM Items	4	3	0	21	0	0	28
HPU Items	0	0	0	0	0	3	3
Totals	26	120	8	28	0	3	185

Circulation by Item Age

A count of charges and renewals for Chemistry, broken down by item age and item owner. This count only includes circulation of bound monographs, and only items which have a valid date in their DATE_1 field.

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799
1800-1899
1900-1909
1910-1919
1920-1929				4		4
1930-1939	2					2
1940-1949			1			1
1950-1959	3	1	2	3		9
1960-1969	3	6		6		15
1970-1974	1	2		4	1	8
1975-1979	2			1	1	4
1980-1984	4	5				9
1985-1989	2	14		3		19
1990-1994	4	34	5		1	44
1995	2	10				12
1996	2	25				27
1997	2	3	1	6		12
1998	1		2	1		4
1999	1	1				2
2000	4	9				13
2001
2002
Totals	33	110	11	28	3	185
Percent of Circulation	0.08%	0.03%	0.05%	0.24%	0.05%	0.04%

Non-Circulating Use

A count of Non-Circulating usage for Chemistry (as recorded by the circulation "NC" command). This count only includes bound monographs.

ACU	APL	HSU	McM	HPU
54	0	5	7	0

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